Company Overview February 2015 FORWARD-LOOKING STATEMENTS 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 Antero Resources Corporation and its subsidiaries (collectively, the “Company” or “Antero”) expects, believes or anticipates will or may occur in the future are forward-looking statements. The words “believe,” “expect,” “anticipate,” “plan,” “intend,” “estimate,” “project,” “foresee,” “should,” “would,” “could,” or other similar expressions are intended to identify forward-looking statements. However, the absence of these words does not mean that the statements are not forward-looking. Without limiting the generality of the foregoing, forwardlooking statements contained in this presentation specifically include estimates of the Company’s reserves, 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 experience 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 under the heading “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2013 and in the Company’s subsequent filings with the SEC. The Company cautions you that these forward-looking statements are subject to all of the risks and uncertainties, most of which are difficult to predict and many of which are beyond our control, incident to the exploration for and development, production, gathering and sale of natural gas and oil. These risks include, but are not limited to, commodity price volatility, inflation, lack of availability of drilling and production equipment and services, environmental risks, drilling and other operating risks, regulatory changes, the uncertainty inherent in estimating natural gas and oil reserves and in projecting future rates of production, cash flow and access to capital, the timing of development expenditures, and the other risks described under the heading “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2013 and in the Company’s subsequent filings with the SEC. 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. 1 OUTSTANDING RESERVE GROWTH PROVED RESERVE GROWTH(1) • Proved reserves increased 66% to 12.7 Tcfe (Tcfe) 15 12.7 0.6 12 9 6 3 7.6 Key Drivers • Successful drilling • SSL results 0.4 11.9 7.2 • Expanded proved footprint 0 2013 • 3P reserves increased 16% to 40.7 Tcfe • Replaced 1,465% of 2014 production • All-in finding and development cost of $0.61/Mcfe for 2014 • Only 66% of 3P Marcellus locations booked as SSL (1.7 Bcf/1,000’ type curve) at 12/31/2014 • No Utica Shale WV/PA dry gas reserves booked; estimated net resource of 11.1 Tcf 2014 Marcellus Utica 3P RESERVE GROWTH(1) POTENTIAL RESERVE GROWTH DRIVERS (Tcfe) 45 40 35 30 25 20 15 10 5 0 2014 RESERVE ANNOUNCEMENT 40.7 35.0 4.2 4.6 4.2 7.6 5.8 Key Drivers • 93,000 net acres added in 2014 • SSL results 28.4 25.0 2013 Marcellus 2014 Utica • Utica results Driver 2015 Activity • Marcellus SSL completions Complete transition to SSL type curve • Marcellus rich gas drilling New rich gas delineation wells • Utica increased density and step-out drilling Drilling and monitoring of Utica density and step-out pilots • WV/PA Utica dry gas drilling Industry drilling activity in WV/PA (170,000 net acres) • Core acreage acquisitions $150 MM budget for 2015 Upper Devonian 1. 2013 and 2014 reserves assuming ethane rejection. 2 ANTERO RESOURCES – 2015 GUIDANCE Key Operating & Financial Assumptions Key Variable Net Daily Production (MMcfe/d) Net Residue Natural Gas Production (MMcf/d) 2015 Guidance Range 1,400 1,175 Net Liquids Production (Bbl/d) 33,000 Net Oil Production (Bbl/d) 4,000 Natural Gas Realized Price Differential to NYMEX Henry Hub Before Hedging ($/Mcf) Oil Realized Price Differential to NYMEX WTI Before Hedging ($/Bbl) NGL Realized Price (% of WTI) $(0.20) - $(0.30) $(12.00) - $(14.00) 48% - 52% Cash Production Expense ($/Mcfe)(2) $1.50 - $1.60 Marketing Expense, Net of Marketing Revenue ($/Mcfe) $0.20 - $0.30 G&A Expense ($/Mcfe) $0.23 - $0.27 Net Income Attributable to Non-Controlling Interest ($MM) $23 - $27 Operated Wells Completed 130 Average Operated Drilling Rigs 14 Capital Expenditures ($MM) Drilling & Completion $1,600 Water Infrastructure $50 Land $150 Total Capital Expenditures ($MM) 1. Financial assumptions per Company press release dated 1/20/2015. 2. Includes lease operating expenses, gathering, compression and transportation expenses and production taxes. Excludes net marketing expense. $1,800 3 LEADING UNCONVENTIONAL BUSINESS MODEL Most Active Land Organization in Appalachia Highest Growth Large Cap E&P 3 2 Land Growth Most Active Operator in Appalachia 4 1 Liquids-Rich Drilling Largest Liquids-Rich Core Position in Appalachia Premier Appalachian E&P Company Highest Realizations and Margins Among Large Cap Appalachian Peers Run by Co-Founders 8 Realizations 5 Midstream MLP (NYSE: AM) Highlights Substantial Value in Midstream Business 6 7 Liquidity Largest Gas Hedge Position in U.S. E&P + Strong Financial Liquidity Takeaway Largest Firm Transport and Processing Portfolio in Appalachia 4 CATALYSTS 1 Sustainability of Antero’s Integrated Business Model Large, low cost core Marcellus and Utica natural gas drilling inventory with associated liquids generates attractive returns supported by longterm natural gas hedges, takeaway portfolio and downstream LNG and NGL sales agreements 2 Production and Cash Flow Growth 40% production growth targeted for 2015 with 94% hedged at $4.47/MMBtu; capital budget flexibility to commodity price changes 3 Downstream LNG and NGL Sales Pursuing additional value enhancing long-term LNG and NGL sales agreements, supported by firm takeaway 4 5 6 Midstream MLP Growth Potential Water System Monetization Utica Dry Gas Activity Antero owns 70% of Antero Midstream Partners and thereby participates directly in its growth and value creation Contingent on receiving private letter ruling from the IRS, AM holds an option to acquire Antero’s fresh water system at fair market value Antero has 170,000 net acres in WV and PA prospective for Utica dry gas – adjacent to current industry activity with highly encouraging initial results 5 DRILLING – MOST ACTIVE OPERATOR IN APPALACHIA COMBINED TOTAL – 12/31/14 RESERVES Assumes Ethane Rejection Net Proved Reserves Net 3P Reserves Pre-Tax 3P PV-10 12.7 Tcfe 40.7 Tcfe $22.8 Bn Net 3P Reserves & Resource 51.8 Tcfe 1,026 MMBbls 15% 1,265 MMcfe/d 30,400 Bbl/d 543,000 5,331 SW Marcellus & Utica(2) 20 Rig Count Net 3P Liquids % Liquids – Net 3P 4Q 2014E Net Production - 4Q 2014E Net Liquids Net Acres(1) Undrilled 3P Locations 25 15 10 5 0 Operators UTICA SHALE CORE Net Proved Reserves Net 3P Reserves 758 Bcfe 7.6 Tcfe MARCELLUS SHALE CORE Pre-Tax 3P PV-10 $6.1 Bn Net Proved Reserves 11.9 Tcfe Net Acres Undrilled 3P Locations 148,000 1,024 Net 3P Reserves 28.4 Tcfe Pre-Tax 3P PV-10 $16.8 Bn Net Acres Undrilled 3P Locations 395,000 3,191 UPPER DEVONIAN SHALE WV/PA UTICA SHALE DRY GAS Net Proved Reserves Net Resource Net Acres Undrilled Locations Net 3P Reserves 11.1 Tcf 170,000 1,616 Pre-Tax 3P PV-10 Undrilled 3P Locations 8 Bcfe 4.6 Tcfe NM 1,116 1. All net acres allocated to the WV/PA Utica Shale Dry Gas and Upper Devonian Shale are included among the net acres allocated to the Marcellus Shale as they are stacked pay formations attributable to the same leasehold. 2. Antero and industry rig locations and rig count as of 1/23/2015 per RigData. 6 GROWTH – HIGHEST GROWTH LARGE CAP E&P Antero’s 40% production growth target for 2015 leads the U.S. large cap E&P industry(1) 45% 40% 40.0% 35% 30% 27.3% 26.8% 23.6% 25% 21.1% 20% 20.0% 19.3% 19.1% 16.2% 15% 12.4% 10% 8.5% 5.3% 5% 5.1% 3.8% 2.1% 1.8% (0.3%) 0% (2.8%) -5% (2) (2) Appalachian Peers Source: Represents median of Wall Street research estimates for 2015E production growth vs. 2014 estimated production. 1. Includes all North American E&P companies with a market capitalization greater than $8.0 billion. 2. Based on publicly announced 2015 production growth target. 7 GROWTH – STRONG TRACK RECORD NET PROVED SEC RESERVES (Bcfe) Marcellus AVERAGE NET DAILY PRODUCTION (MMcfe/d) Utica Marcellus 14,000 12,683 Utica Guidance 1,800 12,000 1,400 10,000 6,000 4,283 4,000 2,000 1,200 7,632 8,000 522 600 2,844 677 0 2010 2012(1) 2011 (1) 2013 (1) 2014 OPERATED GROSS WELLS COMPLETED Marcellus 200 Utica 0 30 2010 124 2011 239 2012 2013 EBITDAX ($MM) 2014 177 92% Growth 40% Growth Guidance 180 $1,400 $1,144 $1,200 150 130 114 125 $400 38 $200 19 $0 0 2010 2011 2012 $649 $600 60 50 $1,000 $800 100 75 2015E Deferred Completions 175 25 1,007 2013 1. 2012, 2013 and 2014 proved reserves assuming ethane rejection. 2. Per current First Call median estimate from Bloomberg. 2014 2015E $285 $160 $28 2010 2011 2012 2013 (2) 2014E 8 LAND – MOST ACTIVE LAND ORGANIZATION IN APPALACHIA Assembled a 543,000 net acre position in the core of the Marcellus and Utica shale plays over the past 6 years Dec 2008 December 2008 Net Acreage 118,000 Dec 2011 Dec 2014 December 2011(1) December 2014(1) Net Acreage 213,000 Net Production (MMcfe/d) NM Net Production (MMcfe/d) 3P Reserves (Bcfe) NM 3P Reserves (Bcfe) 3P PV-10 ($MM) NM 3P PV-10 ($MM) Rigs Running NM Rigs Running 600,000 167 543,000 Net Production (MMcfe/d) 1,265 18,400 3P Reserves (Bcfe) 40,700 $9,000 3P PV-10 ($MM) $22,800 5 Rigs Running 371,000 400,000 21 543,000 Antero Net Acreage 500,000 420,000 450,000 486,000 285,000 300,000 200,000 Net Acreage 118,000 118,000 118,000 12/2008 12/2009 6/2010 162,000 189,000 213,000 100,000 0 12/2010 6/2011 Utica 12/2011 1. Net daily production for December 2011 and December 2014 is for the fourth quarter, respectively. 6/2012 12/2012 Marcellus 6/2013 12/2013 6/2014 12/2014 9 LIQUIDS-RICH – LARGEST CORE POSITION Antero has the largest liquids-rich core position in Appalachia ≈371,000 net acres (> 1100 Btu) Source: Core outlines and peer net acreage positions based on peer presentations, news releases and 10-K/10-Qs. 10 MIDSTREAM – MLP (NYSE: AM) HIGHLIGHTS SUBSTANTIAL VALUE IN MIDSTREAM BUSINESS Corporate Structure Overview(1) Antero Resources Corporation (NYSE: AR) $13.0 Billion Enterprise Value(1) Ba3/BB Corporate Rating 70% Limited Partner Interest = $2.4 Billion Market Valuation(1) $1.5 Billion Derived Valuation(2) Antero Midstream Partners LP (NYSE: AM) $3.4 Billion Valuation(1) $9.1 Billion Implied Valuation(3) Fresh Water E&P Assets Distribution System Market Valuation of AR Ownership in AM: Gathering Assets Compression Assets • AR ownership: 69.7% LP Interest = 105.9 million units AM Price per Unit $22 $23 $24 $25 $26 $27 $28 AM Units Owned by AR (MM) 106 106 106 106 106 106 106 AR Value in AM LP Units ($MMs) $2,332 $2,445 $2,544 $2,647 $2,753 $2,858 $2,964 Value Per AR Share(4) $9 $9 $10 $10 $11 $11 $12 1. AR enterprise value excludes AM minority interest and cash. Values as of 1/16/2015. 2. Based on First Call 9/30/2015 NTM EBITDA forecast of $142 million for Water Business included in preliminary AM S-1 and applying AR enterprise value to EBITDAX multiple derived from First Call AR 9/30/2015 NTM EBITDAX estimates. 3. Represents difference between AR enterprise value and Antero Midstream net market value and Water System enterprise value. 4. Based on 262.0 million AR shares outstanding. 11 TAKEAWAY – LARGEST FIRM TRANSPORTATION AND PROCESSING PORTFOLIO IN APPALACHIA Antero Long Term Firm Processing & Takeaway Position (2018) – Accessing Favorable Markets 4 Bcf/d Firm Gas Takeaway By 2018 Mariner East II 62 MBbl/d Commitment(2) Marcus Hook Export Chicago(1) +$0.23 / $(0.08) Dom South(1) $(1.38) / $(1.11) TCO(1) $(0.13) / $(0.41) Odebrecht / Braskem 30 MBbl/d Commitment Ascent Cracker (Pending Final Investment Decision) Cove Point Shell 25 MBbl/d Commitment Beaver County Cracker (Pending Final Investment Decision) Sabine Pass (Trains 1-4) 50 MMcf/d per Train CGTLA(1) $(0.08) / $(0.09) 1. February 2015 and full year 2016 futures basis, respectively, provided by Wells Fargo dated 12/31/2014. Favorable gas markets shaded in green. 2. As an anchor shipper on Mariner East II, Antero has the right to expand its NGL commitment with notice to operator. 12 LIQUIDITY – LARGEST GAS HEDGE POSITION IN U.S. E&P + STRONG FINANCIAL LIQUIDITY ~$1.6 billion mark-to-market unrealized gain based on 12/31/2014 prices 1.8 Tcfe hedged from January 1, 2015 through year-end 2020 and 262 Bcf of TCO basis hedges from 2015 to 2017 COMMODITY HEDGE POSITION BBtu/d 1,400 1,200 1,000 800 600 400 200 0 Average Index Hedge Price(1) Hedged Volume Current NYMEX Strip(2) Mark-to-Market Value(2) $/MMBtu $6.00 $4.34 $4.50 $4.41 $4.41 $3.77 $4.08 $4.21 $3.48 $3.95 $689 MM $464 MM $176 MM $214 MM $98 MM $3 MM 1,316 943 780 1,073 818 40 2015 ≈ 94% of 2015E Target Production(3) 2016 2017 2018 2019 2020 $4.42 $3.09 $4.47 $5.00 $4.00 $3.00 $2.00 $1.00 $0.00 Over $3 billion of combined AR and AM financial liquidity as of 9/30/2014, pro forma for AM IPO closed on 11/10/2014 AR LIQUIDITY POSITION ($MM) AM LIQUIDITY POSITION ($MM) $3,000 $3,000 $2,500 $2,000 $1,500 $2,500 ($1,505) $3,000 $2,000 ($332) $1,000 $6 $2,012 $1,000 $500 $500 $0 $0 Credit Facility 9/30/2014 Bank Debt 9/30/2014 L/Cs Outstanding 9/30/2014 Cash 9/30/2014 AM IPO Proceeds to AR $250 $1,500 $843 Pro Forma Liquidity 9/30/2014 $1,000 Credit Facility 9/30/2014 $1,250 $0 $0 $0 Bank Debt 9/30/2014 L/Cs Outstanding 9/30/2014 Cash 9/30/2014 1. Reflects weighted average index price based on volumes hedged assuming 6:1 gas to liquids ratio. Antero has hedged 3,000 Bbl/d of oil and 23,000 Bbl/d of propane for 2015. 2. As of 12/31/2014. 3. Percentage of net gas equivalent production target hedged for respective years. AM IPO Proceeds to AM Pro Forma Liquidity 9/30/2014 13 REALIZATIONS – HIGHEST REALIZATIONS & MARGINS AMONG LARGE-CAP APPALACHIAN PEERS 3Q & 4Q 2014 Natural Gas Realizations ($/Mcf) Average NYMEX Average Average Discount to Price Differential(1) BTU Upgrade NYMEX ($/Mcf) ($/Mcf) ($/Mcf) ($/Mcf) Gas Hedge Effect ($/Mcf) Average Realized Gas Price ($/Mcf) Average Realized Realized Gas Premium/ Liquids Equivalent Discount Upgrade Price ($/Mcf) ($/Mcfe) ($/Mcfe) Equivalent Premium ($/Mcfe) 3Q 2014 $4.06 $(0.84) $0.41 $(0.43) $0.68 $4.31 $0.25 $0.60 $4.91 $0.85 4Q 2014 $4.00 $(0.71) $0.37 $(0.34) $0.73 $4.39 $0.39 $0.29 $4.68 $0.68 3Q 2014 Natural Gas Realizations(3) 3Q 2014 Price Realization & EBITDAX Margin vs F&D(2)(4) $6.00 $6.00 $5.00 $4.31 $4.00 $4.96 $4.48 3Q 2014 NYMEX = $4.06/Mcf $3.62 $3.60 $2.98 $2.87 $2.00 $2.75 $/Mcfe $3.66 $/Mcf $4.16 $4.00 $4.12 $3.25 $3.00 $2.93 $2.40 $2.00 $0.95 $1.00 $0.00 $0.00 AR 1. 2. 3. 4. 5. EQT GPOR RRC CNX RICE ECR COG $3.97 $0.58 AR Antero Peer Peer11 $2.64 $2.11 $2.09 $0.74 $0.77 $0.81 Peer 22 Peer Peer 33 Peer Peer 44 Peer Includes firm sales. LOE Production Taxes GPT G&A EBITDAX 4-year Avg. All-in F&D ($/Mcfe) Price realization includes $0.05 of midstream revenues in 3Q, 2014. Includes natural gas hedges. Source: Public data from 3Q 2014 10-Qs. Peers include Cabot Oil & Gas, CONSOL Energy, EQT Corp. and Range Resources. Includes realized hedge gains and losses. Operating costs include lease operating expenses, production taxes, gathering, processing and firm transport costs and general and administrative costs. 4-year proved reserve average all-in F&D from 2010-2013. Calculation = (Development costs + exploration costs + leasehold costs) / Total reserves added (2013 ending reserves – 2010 beginning reserves + 4-year reserve sales – 4-year reserve purchases + 4-year accumulated production). AR price realization includes $0.04 of midstream revenues. 14 REALIZATIONS – REALIZED PRICE “ROAD MAP” Antero is forecasting realized gas prices including hedges at a premium to NYMEX for 2015, assuming current strip pricing,(1) current basis differentials, existing firm transportation and hedges $1.35/Mcfe in estimated hedge gains(1) 85% exposure to favorable price indices 94% exposure to favorable price indices 71% exposure to favorable price indices 2015 Basis(1) 100% Marketed % of Target Residue Gas Production 90% 2015E Wtd. Avg. Basis ($0.46) 2015 Hedges 2016 Basis(1) Wtd. Avg. 1,160,000 MMBtu/d Basis $(0.32) @ $4.34/MMBtu +$0.05/MMBtu Chicago 21% $(0.10)/MMBtu Gulf Coast 18% 2016 Hedges 2016E Wtd. Avg. 942,500 MMBtu/d @ $4.47/MMBtu Basis $(0.18) Chicago 20% $(0.07)/MMBtu 2017 Basis(1) $(0.20)/MMBtu 2017E 2017 Hedges 780,000 MMBtu/d @ $4.34/MMBtu Chicago 19% 70,000 MMBtu/d @ $4.57/MMBtu 80% 70% 60% 50% 40% $(0.25)/MMBtu(2) NYMEX 8% 40,000 MMBtu/d @ $4.00/MMBtu $(0.09)/MMBtu 170,000 MMBtu/d Gulf Coast 38% @ $4.09/MMBtu Gulf Coast 56% @ $3.88/MMBtu $(0.24)/MMBtu TCO 24% 510,000 MMBtu/d @ $3.87/MMBtu(3) $(0.25)/MMBtu(2) NYMEX 11% 170,000 MMBtu/d TCO 16% 330,000 MMBtu/d $(1.35)/MMBtu $(0.41)/MMBtu TETCO M2 - 7% 20% $(1.28)/MMBtu DOM S 22% @ $3.82/MMBtu(4) 230,000 MMBtu/d $(1.26)/MMBtu TETCO M2 - 6% @ $5.60/MMBtu 272,500 MMBtu/d $(1.11)/MMBtu DOM S - 9% @ $5.35/MMBtu 0% ($/Mcf) NYMEX Strip Price(1) Basis Differential to NYMEX(1) BTU Upgrade(6) Estimated Realized Hedge Gains Realized Gas Price with Hedges Premium to NYMEX Liquids Impact Premium to NYMEX w/ Liquids Realized Gas-Equivalent Price 2015E $3.09 $(0.46) $0.26 $1.35 $4.24 +$1.15 +$0.39 +$1.54 $4.63 1. Based on 12/31/14 strip pricing. 2. Differential represents contractual deduct to NYMEX-based firm sales contract. 3. Represents 120,000 MMBtu/d of TCO index hedges and 390,000 MMBtu/d of TCO basis hedges that are matched with NYMEX hedges for presentation purposes. 420,000 MMBtu/d @ $4.27/MMBtu @ $3.35/MMBtu 30% 10% $(0.07)/MMBtu 380,000 MMBtu/d 182,500 MMBtu/d $(0.25)/MMBtu(2) NYMEX 10% $(0.50)/MMBtu TCO - 9% $(0.83)/MMBtu DOM S - 6% @ $4.38/MMBtu 107,500 MMBtu/d @ $3.88/MMBtu (5) 15 4. Represents 60,000 MMBtu/d of TCO index hedges and 270,000 MMBtu/d of TCO basis hedges that are matched with NYMEX hedges for presentation purposes. 5. Represents 107,500 MMBtu/d of TCO basis hedges matched with NYMEX hedges. 6. Assumes ethane rejection resulting in 1100 BTU residue sales gas. SECTOR POSITIONING 16 PREMIER POSITION IN LOW-COST RICH GAS PLAYS Over 70% of Antero’s 4,243 Marcellus and Utica undeveloped 3P locations are rich gas locations which have the lowest breakeven prices for both oil and natural gas compared to other U.S. shale plays North American Breakeven Oil Prices ($/Bbl)(1) $100 Antero Projects 2015 WTI Strip: $56.26/Bbl(2) WTI Price ($/Bbl) $83 $80 Antero 2015 Drilling Plan $60 $40 $42 $39 $51 $54 $53 $60 $64 $65 $68 $69 $86 $72 $44 $20 $0 North American Gas Resource Play Breakeven Natural Gas Price(3) NYMEX Price ($/MMBtu) $7.00 $6.00 2015 NYMEX Strip: $3.01/MMBtu(2) $5.00 Antero 2015 Drilling Plan $4.00 $2.96 $3.00 $2.00 $1.94 $2.20 $2.20 $3.13 $5.56 $3.31 $3.48 $3.50 $3.63 $3.77 $3.85 $3.88 $3.98 $4.33 $5.62 $5.69 $5.71 $5.74 $4.38 $2.37 $1.00 $0.00 17 1. Source: Credit Suisse report dated December 2014 – Break-even WTI oil price to generate 15% after-tax rate of return. Assumes NYMEX gas price of $3.66/MMBtu for 2015-2019; $4.23/MMBtu thereafter. 2. 2015 one year WTI crude oil strip price as of 12/31/14; NYMEX one year natural gas strip price as of 12/31/14. 3. Source: Credit Suisse report dated December 2014 – Break-even NYMEX gas price to generate 15% after-tax rate of return. Assumes WTI oil price of $64.74/Bbl for 2015-2019; $70.50/Bbl thereafter; NGLs at 35% WTI vs. 48%-52% for Antero per guidance. MULTI-YEAR DRILLING INVENTORY SUPPORTS LOW RISK, HIGH RETURN GROWTH PROFILE Antero is well positioned in the core of the highest return shale projects in the U.S. in the current commodity price environment 30% 42% 664 889 600 12% 15% 0% Highly-Rich Gas/ Condensate 900 628 28% Highly-Rich Gas Locations Rich Gas 11% Dry Gas 300 0 ROR ROR ROR 45% 60% 1,200 1,010 Total 3PLlocations 60% UTICA WELL ECONOMICS(1) 20% 46% 10% 139 254 33% 31% 40% 0% 2015 Drilling Plan 248 289 300 30% 200 94 Condensate Highly-Rich Highly-Rich Gas/ Gas Condensate Locations 100 Rich Gas Dry Gas 0 Total 3P Locations MARCELLUS SSL WELL ECONOMICS(1) ROR 72% of Utica locations are processable (1100-plus Btu) 72% of Marcellus locations are processable (1100-plus Btu) Large 3P Drilling Inventory of High Return Projects(2) Internal Rate of Return (%) 3,037 Antero Liquids-Rich Locations 40% 30% 20% 31% 26% 26% Antero Projects 20% 16% 15% 10% 0% 1. Pre-tax well economics based on 12/31/2014 natural gas and WTI strip pricing for 2015-2020, flat thereafter, NGLs at 55% of oil price and applicable firm transportation costs; 8,000’ lateral. 2. Source: Credit Suisse report dated December 2014 – After-tax internal rate of return based on 12/31/2014 strip pricing. 18 20 Bcf/d OF INCREMENTAL GAS DEMAND BY 2020 Significant demand growth expected for U.S. natural gas More than 65% of the 20 Bcf/d in incremental gas demand forecast by 2020 is expected to be generated from exports: − LNG: 9.5 Bcf/d (~48%) − Mexico/Canada: 3.5 Bcf/d (~18%) Projected Incremental Natural Gas Demand Through 2020 (Bcf/d) 9.5 Bcf/d of the 20 Bcf/d of incremental demand is 20 expected to come from LNG exports 17 16 13 Of the 9.5 Bcf/d of expected incremental demand from LNG export projects, 5.8 Bcf/d (or 61%) of the projects have secured the necessary DOE and FERC permits 20 12 LNG 9 Petrochem 8 Incremental Demand Growth Through 2020 by Category 5 Power Gen 4 2 Sherwood 7 Transportation 1% Exports Industrial 16% 0 2015 Power Generation 17% LNG Exports 48% 2016 2017 Mexico/Canada Exports Transportation LNG Exports 2018 2019 2020 Power Generation Petrochem Mexico/Canada Exports 18% Source: Simmons & Company International, “2015 US Natural Gas Outlook and Updated Long Term Demand Forecast,” September 2014. 19 LNG EXPORTS BY PROJECT – EXPECTED START UP LNG Exports by Project Through 2020 Assuming 9.5 Bcf/d of LNG exports by 2020, the U.S. would be the world’s 3rd largest LNG exporter (behind Qatar and Australia) − 7.7 Bcf/d (81%) of the 9.5 Bcf/d of expected LNG exports have secured US DOE non-FTA (free trade agreement) permit approval − 6.7 Bcf/d (four projects, 70%) have been awarded FERC construction permits (see next page for more detail) The first LNG export project, Sabine Pass LNG Train 1 is expected to commence operations in early 2016 − Antero has committed to 200 MMcf/d on Sabine Pass Trains 1-4 The second LNG export project, Cove Point LNG, is expected to commence operations in 2017 − Antero has committed to 330 MMcf/d on Cove Point 1-2 LNG Exports by Project Antero Supplied (in Bcf/d) 2015 Sabine Pass 1 Sabine Pass 2 Sabine Pass 3 Sabine Pass 4 Sabine Pass 5 Cove Point 1 Cove Point 2 Cameron 1 Cameron 2 Cameron 3 Freeport 1 Freeport 2 Freeport 3 Freeport 4 Corpus Christi 1 Corpus Christi 2 Lake Charles 1 LNG Incremental Exports Source: Simmons & Company International, “2015 US Natural Gas Outlook and Updated Long Term Demand Forecast,” September 2014. Note: Data updated for recent announcements subsequent to Simmons report. 2016 - 0.6 0.6 1.2 2017 0.6 0.6 0.4 1.6 2018 2019 0.4 0.6 0.6 0.5 2.2 0.6 0.6 0.5 0.5 0.6 2.9 2020 0.4 0.6 0.6 1.7 Antero Supply Agreements for Portion of Capacity 20 MARCELLUS/UTICA DRIVING GAS SUPPLY GROWTH Of the 23 Bcf/d of expected incremental gas supply from 2009 to 2015, ~18 Bcf/d, or 78%, is expected to be generated from Marcellus and Utica production Marcellus and Utica gross gas production in 2015 is expected to grow 3.6 Bcf/d, which represents the total expected growth in overall supply from all areas for 2015(1) Lower 48 Gas Supply by Area (MMcf/d) 18,000 16,000 14,000 Nov-12 Nov-13 Nov-14 Marcellus production has driven U.S. gas supply growth 12,000 Gas Supply Growth by Area: 2009 – 2015E 10,000 8,000 Sherwood 7 6,000 Eagle Ford 22% 4,000 Marcellus & Utica 78% 2,000 0 Source: Simmons & Company International, “2015 US Natural Gas Outlook and Updated Long Term Demand Forecast,” September 2014; EIA. 1. Other contributing areas to growth include the Permian (+0.5 Bcf/d), Eagle Ford (+0.6 Bcf/d), Williston (+0.3 Bcf/d) and DJ (+0.2 Bcf/d), offset by declines in the Barnett (-0.3 Bcf/d) and Haynesville (-0.6 Bcf/d). 21 ASSET OVERVIEW 22 WORLD CLASS MARCELLUS SHALE DEVELOPMENT PROJECT 100% operated Operating 13 drilling rigs including 5 intermediate rigs 395,000 net acres in Southwestern Core (73% includes processable rich gas assuming an 1100 Btu cutoff) – 50% HBP with additional 27% not expiring for 5+ years 362 horizontal wells completed and online – Laterals average 7,400’ – 100% drilling success rate BEE LEWIS PAD 30-Day Rate 4-well combined 30-Day Rate of 67 MMcfe/d (26% liquids) MHR COLLINS UNIT 30-Day Rate 4-well average 9.3 MMcfe/d (26% liquids) RJ SMITH PAD 30-Day Rate 4-well combined 30-Day Rate of 56 MMcfe/d (21% liquids) HENDERSHOT UNIT 30-Day Rate 1H: 16.3 MMcfe/d 2H: 18.1 MMcfe/d (29% liquids) HEFLIN UNIT 30-Day Rate 2H: 21.4 MMcfe/d (21% liquids) Sherwood Processing Complex 142 Horizontals Completed 30-Day Rate 8.1 MMcf/d 6,915’ average lateral length 5 plants in-service at Sherwood Processing Complex capable of processing 1 Bcf/d of rich gas − Over 800 MMcf/d being processed currently WAGNER PAD 30-Day Rate 4-well combined 30-Day Rate of 59 MMcfe/d (14% liquids) Net production of 937 MMcfe/d in 3Q 2014, including 17,300 Bbl/d of liquids 3,191 future drilling locations in the Marcellus (2,302 or 72% are processable rich gas) 28.4 Tcfe of net 3P (17% liquids), includes 11.9 Tcfe of proved reserves (assuming ethane rejection) HORNET UNIT 30-Day Rate 1H: 21.5 MMcfe/d 2H: 17.2 MMcfe/d (26% liquids) Highly-Rich/Condensate 69,000 Net Acres 664 Gross Locations CONSTABLE UNIT 30-Day Rate 1H: 14.3 MMcfe/d (26% liquids) Highly-Rich Gas 130,000 Net Acres 1,010 Gross Locations NERO UNIT 30-Day Rate 1H: 18.2 MMcfe/d (27% liquids) Rich Gas 91,000 Net Acres 628 Gross Locations CARR UNIT 30-Day Rate 2H: 20.6 MMcfe/d (20% liquids) Dry Gas 105,000 Net Acres 889 Gross Locations Source: Company presentations and press releases. Antero acreage position reflects tax districts in which greater than 3,000 net acres are held. Note: Rates in ethane rejection. 23 ANTERO’S MARCELLUS SHALE TYPE CURVE Antero has over five years of production history to support its Non-SSL type curve Antero has one and a half years of production history to support its SSL type curve: 1.7 Bcf/1,000’ with only 10% to 15% higher well costs vs. Non-SSL Lack of faulting and contiguous acreage position allows for drilling of long laterals; ~7,400’ average since inception and ~8,000’ in 2014 − Drives down cost per 1,000’ of lateral resulting in best in class development costs 15.0 Non-SSL Actual Production (1) Non-SSL Type Curve Cumulative Production SSL Type Curve (1.7 Bcf/1,000') SSL Actual Production (2) SSL Type Curve Cumulative Production Actual Rates 12.0 MMcf/d Non-SSL Type Curve (1.5 Bcf/1,000') 24-Hour Peak Rate 30-Day Avg. Rate 90-Day Avg. Rate 180-Day Avg. Rate One-Year Avg. Rate Two-Year Avg. Rate Three-Year Avg. Rate Four-Year Avg. Rate 15.0 15.3 362 9.2 343 7.1 322 5.8 291 4.3 227 3.2 124 2.6 63 1.8 24 12.0 Wellhead Gas (MMcf/d) # of Antero Wells 9.0 9.0 6.0 6.0 3.0 3.0 0.0 0.0 0 1 2 3 4 5 Production Year EURs Increase With Lateral Length $3.0 20 $2.5 15 10 5 0 6 7 8 9 10 8,000 10,000 Well Cost / 1,000’ Decreases with Lateral Length 25 $MM / 1,000' EUR, BCF Cumulative Bcf Marcellus Type Curves – Normalized to 8,000’ Lateral $2.0 $1.5 $1.0 $0.5 2,000 4,000 6,000 8,000 10,000 $0.0 2,000 Lateral Length, ft 1. 198 Antero Marcellus Non-SSL wells normalized to time zero, production for each well normalized to 8,000’ lateral length. 2. 164 Antero Marcellus SSL wells normalized to time zero, production for each well normalized to 8,000’ lateral length. 4,000 6,000 Lateral length, ft 24 INCREASING RECOVERIES AND LOW VARIANCE IN MARCELLUS Antero’s Marcellus average 30-day rates have increased by 64% over the past two years as the Company increased per well lateral lengths by 20% and shortened stage lengths by 43% 30-Day Rates – 343 Marcellus Wells(1) 25 2014 – 13.1 MMcfe/d 2013 – 9.4 MMcfe/d MMcfe/d 20 2009–2012 – 8.0 MMcfe/d 15 10 5 0 The Marcellus is a reliable, low risk play as demonstrated by the relatively tight distribution of EURs per 1,000’ and the P10/P90 ratio of only 1.5x for 164 SSL wells SSL Reserves per 1,000’ of Lateral – 164 Marcellus SSL Wells 35 P10/P90 = 1.5x Well Count 30 25 P90 20 P10 15 10 5 0 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 > 2.7 Bcfe/1,000‘ of Lateral 1. Processed rates converting C3+ NGLs and condensate at 6:1. Ethane rejected and sold in gas stream. 25 MARCELLUS WELL PERFORMANCE IMPROVEMENTS Increasing recoveries and efficiencies, through longer laterals, shorter stage lengths and faster drilling SSL completions drove a 21% decline in estimated development costs in 2014 while lower service costs are expected to drive further development cost reductions in 2015 (1) 6,717 6,000 7,345 7,308 400 80 80 4,000 60 59 40 38 20 19 2010 140 100 103 0 450 120 136 5,732 2,000 160 0 2011 2012 2013 250 16,000 20 8,000 34 32 29 4,000 10 - 0 2010 2011 2012 Avg Spud-to-Spud Days 2013 2014 Total Measured Depth (Feet) 1. 2015 reflects Antero guidance per 1/20/2015 press release. 14 2015E 50 2011 2012 2013 Average Frac Stages per Well $1.13 2.50 $0.98 $0.97 EUR/1,000' Lateral 15,355 12,000 36 2014 16 50 45 40 35 30 25 20 15 10 5 - EUR vs. Development Cost 30 37 185 21 150 100 200 27 200 2010 Total Measured Depth (Feet) Spud-to-Spud Days 13,181 14,607 283 Average Stage Length (Feet) 20,000 14,658 40 300 Wells on First Sales 50 14,067 45 361 350 Increasing Drilling Efficiency 40 420 - 2014 2015E Average Lateral Length (Feet) 411 2.00 1.50 $0.89 $0.89 1.5 1.6 1.5 $1.20 1.6 2.0 $1.00 $0.80 $0.60 1.00 $0.40 0.50 $0.20 0.00 Development Cost ($/Mcfe) 8,000 8,400 Average Stage Length (Feet) Lateral Length (1,000 Feet) 8,052 Wells on First Sales 10,000 Average Frac Stages per Well Increasing Frac Stages per Well Lateral Length Improvements (1) $0.00 2010 2011 2012 EUR/1,000' Lateral (Bcfe) 2013 2014 Development Cost ($/Mcfe) 26 MARCELLUS ROR% AND GAS PRICE SENSITIVITY Large portfolio of Highly-Rich Gas/Condensate to Dry Gas locations Focused on drilling highly economic rich gas locations – rig symbols represent current rig location by Btu regime Assumes 12/31/2014 WTI strip pricing for 2015-2020, flat thereafter; NGL price 55% of WTI NYMEX Flat Price Sensitivity(1) ROR% at Flat 2015-2020 Strip Price 100% Highly-Rich Gas/Condensate: 44% 664 Locations Highly-Rich Gas: 30% 80% Rich Gas: 12% Pre-Tax ROR (%) 2015 Drilling Plan Dry Gas: 11% 1,010 Locations 60% 628 Locations 40% 889 Locations 20% 0% $3.00 $3.50 Highly-Rich Gas/Condensate $4.00 $4.50 Highly-Rich Gas 1. Assumes 12/31/2014 strip pricing, market differentials and relevant transportation cost; 8,000’ lateral. $5.00 $5.50 Rich Gas Dry Gas $6.00 Antero Rigs Employed 27 LEADING UTICA SHALE CORE POSITION DELIVERS CONDENSATE AND NGLS Utica Shale Industry Activity(1) 100% operated Operating 8 rigs including 3 intermediate rigs GULFPORT 24-Hour IP Wagner 1-28H, Shugert 1-1H, 1-12H Average 21.0 MMcf/d + 2,270 Bbl/d NGL + 292 Bbl/d Oil 148,000 net acres in the core rich gas/ condensate window (72% includes processable rich gas assuming an 1100 Btu cutoff) – 20% HBP with additional 79% not expiring for 5+ years 52 operated horizontal wells completed and online in Antero core areas − 100% drilling success rate 3 plants at Seneca Processing Complex capable of processing 600 MMcf/d of rich gas − Over 500 MMcf/d being processed currently, including third party production NEUHART UNIT 3H 30-Day Rate 18.7 MMcfe/d (58% liquids) GULFPORT 24-Hour IP McCort1-28H, 2-28H, Stutzman 1-14H Average 13.1 MMcf/d + 922 Bbl/d NGL + 21 Bbl/d Oil DOLLISON UNIT 1H 30-Day Rate 23.3 MMcfe/d (44% liquids) MYRON UNIT 1H 30-Day Rate 30.4 MMcfe/d (49% liquids) Seneca Processing Complex Utica Core Area URBAN PAD 30-Day Rate 4-well combined 30-Day Rate of 74 MMcfe/d (16% liquids) Net production of 143 MMcfe/d in 3Q 2014 including 7,700 Bbl/d of liquids − Seneca 3 processing plant online in July 2014 − Fourth third party compressor station inservice December 2014 with a capacity of 120 MMcf/d 1,024 future gross drilling locations (735 or 72% are processable gas) 7.6 Tcfe of net 3P (15% liquids), includes 758 Bcfe of proved reserves (assuming ethane rejection) LAW UNIT 30-Day Rate 2 wells average 18.4 MMcfe/d (50% liquids) Condensate 32,000 Net Acres 248 Gross Locations Cadiz Processing Plant RUBEL UNIT 30-Day Rate 3 wells average 21.1 MMcfe/d (24% liquids) SCHAFER UNIT 30-Day Rate(2) 2 wells average 16.2 MMcfe/d (49% liquids) GARY UNIT 30-Day Rate 3 wells average 29.8 MMcfe/d (22% liquids) Highly-Rich/Cond 26,000 Net Acres 139 Gross Locations Highly-Rich Gas 15,000 Net Acres 94 Gross Locations NORMAN UNIT 30-Day Rate 2 wells average 20.3 MMcfe/d (17% liquids) Rich Gas 33,000 Net Acres 254 Gross Locations Dry Gas 42,000 Net Acres 289 Gross Locations Source: Company presentations and press releases. Note: Antero acreage position reflects townships in which greater than 3,000 net acres are held. Note: Third party peak rates assume ethane recovery; Antero 30-day rates in ethane rejection. 1. For non-Antero wells, Antero has converted rich gas rates where BTU has been disclosed to NGLs, assuming ethane recovery. Where BTU has not been disclosed, Antero has estimated BTU and gas composition. 2. 30-day rate reflects restricted choke regime. 28 UTICA WELL PERFORMANCE IMPROVEMENTS Increasing recoveries and efficiencies, through longer laterals, shorter stage lengths and faster drilling Lower service costs are expected to drive development cost reductions in 2015 (1) 50 50 6,431 6,000 40 41 30 4,000 20 2,000 10 11 0 0 2013 2014 100 18,000 12,000 20 9,000 32 29 10 6,000 3,000 0 2013 2014 Total Measured Depth (Feet) 1. 2015 reflects Antero guidance per 1/20/2015 press release. 30 20 26 10 50 - 2014 2015E Average Frac Stages per Well EUR vs. Development Cost 15,000 30 175 150 1.60 $1.80 $1.64 1.40 EUR/1,000' Lateral Spud-to-Spud Days 14,643 183 50 40 200 Average Stage Length (Feet) Total Measured Depth (Feet) 16,321 47 50 250 Wells on First Sales 40 289 2013 Increasing Drilling Efficiency Spud-to-Spud Days 300 2015E Average Lateral Length 60 350 $1.24 1.20 $1.20 1.00 0.80 0.60 0.40 $1.50 $0.90 1.4 1.6 $0.60 $0.30 0.20 0.00 $0.00 2013 EUR/1,000' Lateral (Bcfe) 2014 Development Cost ($/Mcfe) 29 Development Cost ($/Mcfe) 8,021 Average Stage Length (Feet) 8,000 60 8,700 Wells on First Sales Lateral Length (Feet) 10,000 Average Frac Stages per Well Increasing Frac Stages per Well Lateral Length Improvements (1) UTICA ROR% AND GAS PRICE SENSITIVITY Large portfolio of Condensate to Dry Gas locations Focused on drilling highly economic rich gas locations – rig symbols represent current rig location by Btu regime Assumes 12/31/2014 WTI strip pricing for 2015-2020, flat thereafter; NGL price 55% of WTI NYMEX Flat Price Sensitivity(1) 200% ROR% at Flat 2015-2020 Strip Price 94 Locations Condensate: 13% 180% Highly-Rich Gas/Condensate: 41% 160% 254 Locations Rich Gas: 47% 140% Pre-Tax ROR (%) 289 Locations Highly-Rich Gas: 63% Dry Gas: 44% 120% 2015 Drilling Plan 100% 139 Locations 80% 60% 40% 248 Locations 20% 0% $3.00 Condensate $3.50 $4.00 Highly-Rich Gas/Condensate 1. Assumes 12/31/2014 strip pricing, market differentials and relevant transportation cost; 8,000’ lateral. $4.50 Highly-Rich Gas $5.00 $5.50 Rich Gas $6.00 Dry Gas 30 LARGE UTICA SHALE DRY GAS POSITION Antero has 212,000 net acres of exposure to Utica dry gas play − 42,000 net acres in Ohio with net 3P reserves of 2.4 Tcf as of 12/31/2014 − 170,000 net acres in West Virginia and Pennsylvania with net resource of 11.1 Tcf as of 12/31/2014 (not included in 40.7 Tcfe of net 3P reserves) − 1,616 locations underlying current Marcellus Shale leasehold in West Virginia and Pennsylvania as of 12/31/2014 Other operators have reported strong Utica Shale dry gas results including the following wells: Well Operator IP (MMcf/d) Lateral Length (Ft) Claysville SC #1 Range 59.0 5,420 Stewart Winland 1300U Magnum Hunter 46.5 5,289 Bigfoot 9H Rice Energy 41.7 6,957 Stalder #3UH Magnum Hunter 32.5 5,050 Irons #1-4H Gulfport 30.3 5,714 Pribble 6HU Stone Energy 30.0 3,605 Simms U-5H Gastar 29.4 4,447 Conner 6H Chevron 25.0 6,451 Tippens #6H Eclipse 23.2 5,858 Porterfield 1H-17 Hess 17.2 5,000 Hubbard BRK #3H Chesapeake 11.1 3,550 Utica Shale Dry Gas Acreage in OH/WV/PA(1) Rice Blue Thunder 10H, 12H ≈9,000’ Lateral Rice Bigfoot 9H 6,957’ Lateral IP 41.7 MMcf/d Hess Porterfield 1H-17 5,000’ Lateral IP 17.2 MMcf/d Gulfport Irons #1-4H 5,714’ Lateral IP 30.3 MMcf/d Chesapeake Utica Well Drilling Stone Energy Pribble 6HU 3,605’ Lateral IP 30.0 MMcf/d Antero Planned Utica Well 2015 Eclipse Tippens #6H 5,858’ Lateral IP 23.2 MMcf/d Magnum Hunter Stewart Winland 1300U 5,289’ Lateral IP 46.5 MMcf/d Utica Shale Dry Gas Ohio 3P Reserves 2.4 Tcf 289 Gross Locations 42,000 Net Acres 1. Antero acreage position reflects tax districts in which greater than 3,000 net acres are held in OH, WV and PA. Range Claysville SC #1 5,420’ Lateral IP 59.0 MMcf/d Chevron Conner 6H 6,451’ Lateral IP 25.0 MMcf/d Gastar Simms U-5H 4,447’ Lateral IP 29.4 MMcf/d Magnum Hunter Stalder #3UH 5,050’ Lateral IP 32.5 MMcf/d Chesapeake Hubbard BRK #3H 3,550’ Lateral IP 11.1 MMcf/d Utica Shale Dry Gas Total OH/WV/PA Net Resource 13.5 Tcf 1,905 Gross Locations 212,000 Net Acres Utica Shale Dry Gas WV/PA Net Resource 11.1 Tcf 1,616 Gross Locations 170,000 Net Acres 31 FRESH WATER DISTRIBUTION SYSTEMS Projected Midstream Infrastructure(1) Marcellus Shale YE 2015E Cumulative Fresh Water System Capex ($MM) Water Pipelines (Miles) Water Storage Facilities $338 226 24 Utica Shale Total $112 90 14 $450 316 38 Marcellus Fresh Water Distribution System • • • Provides fresh water to support Marcellus well completions Year-round water supply sources: Ohio River and local rivers Significant growth projected over the next twelve months as summarized below: Marcellus Water System YE 2015 Water Pipeline (Miles) 49 Fresh Water Storage Impoundments 2 Water Fees per Well ($)(2) $600K $800K OHIO Utica Fresh Water Distribution System • • • Provides fresh water to support Utica well completions Year-round water supply sources: local reservoirs and rivers Significant growth projected over the next twelve months as summarized below: Utica Water System YE 2015 Water Pipeline (Miles) 29 Fresh Water Storage Impoundments 6 Water Fees per Well ($)(2) $600K $800K Note: Antero acreage position reflects tax districts in which greater than 3,000 net acres are owned. 1. Represents inception to date actuals as of 6/30/2014 and 2015 guidance. 2. Estimated fee of $3.50 per barrel at an average of 200,000 Bbls of water per well. 32 FIRM TRANSPORTATION AND FIRM SALES PORTFOLIO Columbia Tennessee Momentum III EQT REX/MGT/ANR 7/26/2009 – 9/30/2025 11/1/2015– 9/30/2030 9/1/2012 – 12/31/2023 8/1/2012 – 6/30/2025 7/1/2014 – 12/31/2034 ANR Local Distribution Firm Sales #1 Firm Sales #2 Firm Sales #3 10/1/2011– 10/31/2019 10/1/2011 – 5/31/2017 1/1/2013 – 5/31/2022 3/1/2015– 2/28/2045 11/1/2015 – 9/30/2037 MMBtu/d 4,500,000 4,000,000 3,500,000 Mid-Atlantic/NYMEX 3,000,000 Gulf Coast 2,500,000 2,000,000 1,500,000 1,000,000 500,000 Midwest Appalachia Appalachia Gulf Coast Appalachia or Gulf Coast - 33 FIRM TRANSPORTATION REDUCES APPALACHIAN BASIS EXPOSURE Antero’s firm transportation (FT) portfolio increases visibility on production growth and increases exposure to Gulf Coast and Midwest pricing, with little incremental cost per Mcf Reduces weighted average basis by $0.28 per MMBtu compared to 2014 basis(3) – while significantly reducing Appalachian basis exposure All-in Firm Transportation Costs(1) + $0.18/MMBtu $0.70 $0.60 $0.46 ($/MMBtu) $0.50 $0.40 $0.30 $0.20 $0.10 $0.25 $0.35 $0.28 $0.13 $0.12 $0.11 $0.11 $0.33 $0.23 $0.14 $0.17 2013A 2014E $0.00 Wtd. Avg. FT Demand ($/MMBtu) 2015E Gulf Coast 51% Utilized portion included in cash production expense (fixed cost) 2016E Wtd. Avg. FT Commodity/Fuel ($/MMBtu) 2013 Firm Transportation – 647 MMcf/d Average All-in FT Cost $0.25/MMBtu 2013 Firm Transportation(1)(2) Included in cash production expense (variable cost) 2016 Firm Transportation – 3.1 Bcf/d Average All-in FT Cost $0.46/MMBtu 2016 Basis(3) TCO – $(0.41)/MMBtu DOM S – $(1.11)/MMBtu 2016 Basis(3) Chicago – $(0.08)/MMBtu Appalachia 49% 1. Assumes full utilization of firm transportation capacity; page 15 assumes Antero targeted production figures. 2. Represents accessible firm transportation and sales agreements. 3. Based on current strip pricing as at 12/31/2014. Midwest 20% Appalachia 35% Gulf Coast 45% 2016 Basis(3) CGTLA – $(0.09)/MMBtu 34 ANTERO FIRM TRANSPORTATION APPROPRIATELY DESIGNED TO ACCOMMODATE GROWTH • • • Antero’s firm transport (FT) is well utilized during 2015 (72%) Marketable FT (BBtu/d) (3) (BBtu/d) − Excess FT for acquisitions and well productivity improvements 2,500 A portion of the excess FT is highly marketable, further increasing utilization to 86% 2,000 Expect to fully utilize FT portfolio by 2018 Firm Transportation / Firm Sales (BBtu/d) Risked Gross Gas Production Target (BBtu/d) % FT Utilization (including marketable FT): 86% 1,500 1,000 500 0 Net Production Target (MMcfe/d) (1) Net Gas Production Target (MMcf/d) Net Revenue Interest Gross-up Gross Gas Production Target (MMcf/d) BTU Upgrade (2) Gross Gas Production Target (BBtu/d) 2015 1,400 1,190 80% 1,485 x1.100 1,630 Firm Transportation / Firm Sales (BBtu/d) Estimated % Utilization of FT/FS Marketable Firm Transport (BBtu/d) (3) 2,250 72% 350 Estimated % Utilization of FT/FS (Including Marketable FT) 86% 1. Based on production target for 2015 of 1.4 Bcfe/d, per Antero guidance press release dated January 20, 2015. 2. Assumes 1100 BTU residue sales gas. 3. Represents excess firm transportation that is deemed marketable to 3rd parties based on a positive differential between the receipt and delivery points of the FT capacity, less variable transport cost. 35 HEALTH, SAFETY, ENVIRONMENT & COMMUNITY Antero Core Values: Protect Our People, Communities And The Environment Strong West Virginia Presence 79% of all Antero Marcellus employees and contract workers are West Virginia residents Keys to Execution Local Presence Antero has more than 3,500 employees and contract personnel working full-time for Antero in West Virginia. 79% of these personnel are West Virginia residents. Land office in Ellenboro, WV District office in Bridgeport, WV 200 (45%) of Antero’s 446 employees are located in West Virginia and Ohio Safety & Environmental Five company safety representatives and 56 safety consultants cover all material field operations 24/7 including drilling, completion, construction and pipelining 41 person environmental staff plus outside consultants monitor all operations and perform baseline water well testing Central Fresh Water System & Water Recycling Numerous sources of water – built central water system to source fresh water for completions Antero recycled over 80% of its flowback and produced water through the first 9 months of 2014 – no discharge to water treatment plants in West Virginia Natural Gas Vehicles (NGV) Antero supported the first natural gas fueling station in West Virginia Antero has 30 NGV trucks and plans to continue to convert its truck fleet to NGV Pad Impact Mitigation Closed loop mud system – no mud pits Protective liners or mats on all well pads in addition to berms Natural Gas Powered Drilling Rigs & Frac Equipment 11 of Antero’s contracted drilling rigs are currently running on natural gas First natural gas powered clean fleet frac crew began operations summer 2014 Green Completion Units All Antero well completions use green completion units for completion flowback, essentially eliminating methane emissions (full compliance with EPA 2015 requirements) LEED Gold Headquarters Building Recently moved into new corporate headquarters in Denver, Colorado that has been LEED Gold Certified Antero named Business of the Year for 2013 in Harrison County, West Virginia “For outstanding corporate citizenship and community involvement” Antero representatives recently participated in a ribbon cutting with the Governor of West Virginia for the grand opening of the first natural gas fueling station in the state; Antero supported the station with volume commitments for its NGV truck fleet 36 CLEAN FLEET & CNG TECHNOLOGY LEADER ● Antero has contracted for two clean completion fleets to enhance the economics of its completion operations and reduce the environmental impact ● Replaces diesel engines (for pressure pumping) with electric motors powered by natural gas-fired electric generators ● A clean fleet allows Antero to fuel part of its completion operations from field gas instead of more expensive diesel fuel. Benefits of using a clean fleet include: − Reduce fuel costs by up to 80% representing cost savings of up to $40,000/day − Reduces NOx and CO emissions by 99% − Eliminates 25 diesel trucks from the roads for an average well completion − Reduces silica dust to levels 90% below OSHA permissible exposure limits resulting in a safer and cleaner work environment − Significantly reduces noise pollution from a well site − Is the most environmentally responsible completion solution in the oil and gas industry • Additionally, Antero utilizes compressed natural gas (CNG) to fuel its truck fleet in Appalachia − Antero supported the first natural gas fueling station in West Virginia − Antero has 30 NGV trucks and plans to continue to convert its truck fleet to NGV 37 Antero Midstream (NYSE: AM) Asset Overview 38 SUBSTANTIAL INVESTMENT IN MIDSTREAM MLP (NYSE: AM) Midstream Assets Utica Shale • Gathering and compression assets in core of rapidly growing Marcellus and Utica Shale plays – Acreage dedication of ~412,000 net leasehold acres for gathering and compression services – 100% fixed fee long term contracts Projected Midstream Infrastructure(1) Marcellus Utica Shale Shale Total YE 2014E Cumulative Gathering/ Compression Capex ($MM) $850 $350 $1,200 Gathering Pipelines (Miles) 153 80 233 Compression Capacity (MMcf/d) 375 - 375 Condensate Gathering Pipelines (Miles) - 16 16 YE 2015E Gathering/ Compression Capex ($MM)(2) $256 $182 $438 Gathering Pipelines (Miles) 46 18 64 Compression Capacity (MMcf/d) 425 120 545 Condensate Gathering Pipelines (Miles) - 4 4 1. Represents inception to date actuals as of 6/30/2014 and 2015 guidance. 2. Includes $12.5 million of maintenance capex at 2015 midpoint guidance. Marcellus Shale 39 ANTERO MIDSTREAM ASSETS – RICH GAS MARCELLUS Marcellus Gathering & Compression • Provides Marcellus gathering and compression services − • Liquids-rich gas is delivered to MWE’s Sherwood Complex for processing Significant growth projected over the next twelve months as set out below: YE 2014 YE 2015 Gathering Pipelines (Miles) 153 199 Compression Capacity (MMcf/d) 375 800 • Antero sold the Harrison County portion of its gathering system to a 3rd party midstream company in 2012, which is now recognized as the 3rd Party Gathering and Compression Dedication area • Development upside as AR continues to drill, step-out and add acreage WV/PA Utica Dry Gas Gathering & Compression • Further development upside in 170,000 net acres of Utica deep rights beneath the Marcellus Shale − Will require a separate dry gas gathering system Note: Antero acreage position reflects tax districts in which greater than 3,000 net acres are owned. 40 ANTERO MIDSTREAM ASSETS – RICH & DRY GAS UTICA Utica Gathering • • • Provides Utica natural gas and condensate gathering services − Liquids-rich gas delivered into MWE’s Seneca Complex for processing − Condensate delivered to centralized stabilization and truck loading facilities Significant growth projected over the next twelve months as set out below: YE 2014 YE 2015 Gathering Pipelines (Miles) 80 98 Condensate Pipelines (Miles) 16 20 Compression (MMcf/d) 0 120 Development upside as AR continues to drill, step-out and add acreage Utica Compression • Opportunity to build up to ten new compressor stations that are planned to support AR development over the next several years Note: Antero acreage position reflects tax districts in which greater than 3,000 net acres are owned. 41 APPENDIX 42 PRO FORMA CAPITALIZATION ($ in millions) Cash Senior Secured Revolving Credit Facility 6.00% Senior Notes Due 2020 9/30/2014 Pro Forma $1.15 Bn AM IPO(4) 9/30/2014 $6 $256 1,505 662 525 525 5.375% Senior Notes Due 2021 1,000 1,000 5.125% Senior Notes Due 2022 1,100 1,100 Net Unamortized Premium 8 8 Total Debt $4,138 $3,295 Net Debt $4,132 $3,039 Minority Interest - $326 Shareholders' Equity $3,751 $4,372 Net Book Capitalization $7,883 $7,737 $13,631 $12,788 LTM EBITDAX $1,047 $1,047 LQA EBITDAX $1,109 $1,109 Enterprise Value(1) Financial & Operating Statistics LTM Interest Expense(2) Proved Reserves (Bcfe) (12/31/2014) Proved Developed Reserves (Bcfe) (12/31/2014) $155 $138 12,683 12,683 3,803 3,803 3.9x 2.9x Credit Statistics Net Debt / LTM EBITDAX Net Debt / LQA EBITDAX 3.7x 2.7x LTM EBITDAX / Interest Expense 6.8x 7.6x Net Debt / Net Book Capitalization 52.4% 39.3% Net Debt / Proved Developed Reserves ($/Mcfe) $1.09 $0.80 Net Debt / Proved Reserves ($/Mcfe) $0.33 $0.24 Credit Facility Commitments(3)(4) $3,000 $4,000 Less: Borrowings (1,505) (662) (332) (332) 6 256 $1,169 $3,262 Liquidity Less: Letters of Credit Plus: Cash Liquidity (Undrawn Credit Facility + Cash) 1. Equity valuation based on 262.0 million shares outstanding and a share price of $37.22 as of 1/16/2015. AR enterprise value excludes AM minority interest and cash. 2. LTM interest expense adjusted for $1,578 million net proceeds from IPO priced on 10/14/2013 and $1,000 million 5.375% Senior Notes priced on 10/24/2013 net of fees; assumes $525 million 9.375% Senior Notes, $25 million 9.00% Senior Notes, $140 million 7.25% Senior Notes repaid at 10/31/2013 with residual cash used to repay bank debt. Adjusted for $600 million 5.125% Senior Notes priced on 4/23/2014 net of fees; $260 million of 7.25% Senior Notes and $315 million of bank debt repaid. Adjusted for $500 million 5.125% Senior Notes add-on priced on 9/4/2014 at 100.5 net of fees; $496 million of bank debt repaid. 3. AR lender commitments under the facility increased to $3.0 billion from $2.5 billion on 10/16/2014; commitments can be expanded to the full $4.0 billion borrowing base upon bank approval. AM credit facility of $1 billion as of 11/4/2014. 4. Pro forma for $1,150 million IPO of 70% post-offering owned Antero Midstream; $843 million of debt repaid, $250 million of cash left at AM and $57 million of transaction expenses. AM $1 billion credit facility currently undrawn. 43 LOWEST FINDING & DEVELOPMENT COST AMONG U.S. PRODUCERS Antero ranks as the most efficient finder and developer of reserves, on a per Mcfe basis, based on a 2011-2013 average all-in F&D cost analysis prepared by Credit Suisse 3-Year All-In F&D Cost – Excluding Revisions ($/Mcfe) through 2013 AR RRC PDCE SWN REXX EPE ATHL SFY ROSE CHK SD BCEI PXD CRZO EOG NBL DNR FST KWK DVN CXO PVA EOX EXXI CRK KOG FANG WLL MRO APA MUR GPOR APC MHR $0.58 $0.79 $0.84 $1.04 $1.26 $1.53 $1.60 $1.74 $1.94 $2.06 $2.40 $2.57 $2.66 $2.78 $2.87 $2.88 $2.91 $2.91 $3.05 $3.05 $3.07 $3.12 $3.28 $3.63 $3.70 $4.01 $4.23 $4.54 $4.66 $4.66 $0 $2 Source: Credit Suisse research dated 4/28/2014. $4 $5.74 $6 $6.68 $7.14 $10.24 $8 $10 $12 44 MARCELLUS SINGLE WELL ECONOMICS – IN ETHANE REJECTION Marcellus SSL Well Economics and Total Gross Locations(1) Natural Gas – 12/31/2014 strip Oil – 12/31/2014 strip NGLs – 55% of Oil Price 60% NYMEX ($/MMBtu) WTI ($/Bbl) C3+ NGL(2) ($/Bbl) 2015 $3.08 $57 $31 2016 $3.48 $63 $35 2017 $3.77 $67 $37 2018 $3.95 $69 $38 2019+ $4.08 $71 $39 ROR 45% 30% 2015 Drilling Plan 889 664 42% 12% Highly-Rich Gas/ Condensate 900 628 28% 15% 0% 1,200 1,010 Highly-Rich Gas Locations Rich Gas 600 11% Dry Gas Highly-Rich Gas/ Condensate Highly-Rich Gas Rich Gas Dry Gas Modeled BTU 1313 1250 1150 1050 EUR (Bcfe): EUR (MMBoe): % Liquids: Lateral Length (ft): Stage Length (ft): Well Cost ($MM): Bcfe/1,000’: 17.7 2.9 31% 8,000 225 $10.6 2.2 16.2 2.7 22% 8,000 225 $10.6 2.0 14.7 2.4 10% 8,000 225 $10.6 1.8 13.6 2.3 0% 8,000 225 $10.6 1.7 $7.4 28% $0.77 3.0 HIGHLY $0.6 RICH GAS 12% LOCATIONS $0.85 6.6 $0.4 11% $0.92 6.7 Gross 3P Locations(3): $11.9 RICH42% GAS LOCATIONS $0.70 2.1 664 1,010 0 ROR Classification Pre-Tax NPV10 ($MM): Pre-Tax ROR: DRY GAS LOCATIONS Net F&D ($/Mcfe): Payout (Years): 300 Total 3P Locations Assumptions 628 1. Well economics are based on 12/31/2014 strip differential pricing and related transportation costs. Includes gathering, compression and processing fees. 2. Pricing for a 1225 BTU y-grade ethane rejection barrel. 3. Undeveloped well locations as of 12/31/2014. 889 45 UTICA SINGLE WELL ECONOMICS – IN ETHANE REJECTION Utica Well Economics and Gross Locations(1) Natural Gas – 12/31/2014 strip Oil – 12/31/2014 strip NGLs – 55% of Oil Price 60% 400 46% NYMEX ($/MMBtu) WTI ($/Bbl) C3+ NGL(2) ($/Bbl) 2015 $3.08 $57 $31 2016 $3.48 $63 $35 2017 $3.77 $67 $37 2018 $3.95 $69 $38 2019+ $4.08 $71 $39 ROR 45% 248 254 31% 30% 0% 200 94 10% Condensate Highly-Rich Gas/ Condensate 2015 Drilling Plan 100 Highly-Rich Gas Rich Gas Locations ROR Dry Gas Classification Condensate Highly-Rich Gas/ Condensate Highly-Rich Gas Rich Gas Dry Gas Modeled BTU 1275 1235 1215 1175 1050 EUR (Bcfe): EUR (MMBoe): % Liquids Lateral Length (ft): Stage Length (ft): Well Cost ($MM): Bcfe/1,000’: 8.3 1.4 35% 8,000 240 $12.1 1.0 15.0 2.5 26% 8,000 240 $12.1 1.9 22.4 3.7 21% 8,000 240 $12.1 2.8 21.2 3.5 14% 8,000 240 $12.1 2.7 19.0 3.2 0% 8,000 240 $12.1 2.4 $0.0 $7.6 10% 31% RICH GAS LOCATIONS $1.79 $0.99 5.5 1.5 $13.0 46% $0.67 1.1 HIGHLY $9.1 RICH GAS 33% LOCATIONS $0.71 1.5 $8.0 30% $0.79 2.6 94 254 289 Pre-Tax NPV10 ($MM): Pre-Tax ROR: DRY GAS LOCATIONS Net F&D ($/Mcfe): Payout (Years): Gross 3P Locations(3): 248 139 300 30% 33% 139 15% 289 1. Well economics are based on 12/31/2014 strip differential pricing and related transportation costs. Includes gathering, compression and processing fees. 2. Pricing for a 1225 BTU y-grade ethane rejection barrel. 3. Undeveloped well locations as of 12/31/2014. 3P locations representative of BTU regime; EUR and economics within regime will vary based on BTU content. Total 3P Locations Assumptions 0 46 LOW DEVELOPMENT COST DRIVES BEST IN CLASS RECYCLE RATIOS 3-Year Proved Development Costs ($/Mcfe) through 2013 $/Mcfe $6.00 Antero Appalachia-Focused Peers Other Peers $5.00 $4.00 $3.00 $2.00 $1.00 $1.15 $1.18 $1.21 $1.60 $0.00 Source: Proved developed F&D industry data based on company presentations, 10-Ks and press releases. Defined as total drilling and completion capital expenditures for the period divided by PDP and PDNP volumes added after adding back production for the period. Includes all drilling and completion costs but excludes land and acquisition costs for all companies. 1. Antero data pro forma for Arkoma and Piceance divestitures in 2012. 3-Year Average Growth – Adjusted Recycle Ratio through 2013 6.0x Antero Appalachia-Focused Peers Other Peers 4.8x 4.0x 3.5x 3.3x 2.4x 2.0x 0.0x Source: Wall Street research. Defined as 2011-2013 average (Cash Operating Netback / PD F&D costs) x (1 + 2013-2015 consensus production CAGR). Antero’s production CAGR based on guidance targets. PD F&D Costs defined as total drilling and completion capital expenditures for the period divided by PDP and PDNP volumes added after adding back production for the period Includes all drilling and completion costs but excludes land and acquisition costs for all companies. 1. Antero data pro forma for Arkoma and Piceance divestitures in 2012. 47 CONSIDERABLE RESERVE BASE WITH ETHANE OPTIONALITY 35 year proved reserve life based on 2014 production annualized Reserve base provides significant exposure to liquids-rich projects – 3P reserves of over 2.5 BBbl of NGLs and condensate in ethane recovery mode; 32% liquids ETHANE REJECTION(1) ETHANE RECOVERY(1) Marcellus – 28.4 Tcfe Marcellus – 33.7 Tcfe Utica – 7.6 Tcfe Utica – 8.6 Tcfe Upper Devonian – 4.6 Tcfe Upper Devonian – 5.1 Tcfe 40.7 Tcfe 47.4 Tcfe Gas – 34.5 Tcf Gas – 32.0 Tcf Oil – 102 MMBbls Oil – 102 MMBbls NGLs – 924 MMBbls NGLs – 2,459 MMBbls 15% Liquids 32% Liquids 1. Ethane rejection occurs when ethane is left in the wellhead gas stream as the gas is processed, rather than being separated out and sold as a liquid after fractionation. When ethane is left in the gas stream, the BTU content of the residue gas at the outlet of the processing plant is higher. Producers will elect to “reject” ethane when the price received for the higher BTU residue gas is greater than the price received for the ethane being sold as a liquid after fractionation. When ethane is recovered, the BTU content of the residue gas is lower, but a producer is then able to recover the value of the ethane sold as a separate NGL product. 48 POSITIVE RATINGS MOMENTUM Moody’s / S&P Historical Corporate Credit Ratings Moody’s Upgrade Criteria S&P Upgrade Criteria “An upgrade could be considered if debt / average daily production is sustained below $20,000 per boe and debt / proved-developed reserves is sustained below $8.00 per boe. An upgrade would also be contingent on Antero maintaining unleveraged cash margins greater than $25.00 per boe and retained cash flow to debt over 40%.” “We could raise the ratings due to our assessment of an improvement in the company's financial profile. An improvement in the financial profile would include maintaining FFO to debt of greater than 45% and narrowing the amount that the company outspends its cash flows by.” - S&P Credit Research, September 2014 - Moody’s Credit Research, September 2014 Credit Rating (Moody’s / S&P) Baa3 / BBBBa1 / BB+ Ba2 / BB Ba3 / BBB1 / B+ B2 / B B3 / BCaa1 / CCC+ 9/1/2010 5/31/13 2/24/2011 Moody's 1. Represents corporate credit rating of Antero Resources Corporation / Antero Resources LLC. 10/21/2013 9/4/2014 12/31/2014 (1) S&P 49 PRO FORMA OFFERING – BALANCE SHEET POSITIONED FOR LONG-TERM GROWTH The recent bond offerings, at progressively lower coupons, have allowed Antero to reduce its cost of debt to approximately 5.0% and enhance liquidity while extending the pro forma average debt maturity to July 2021 Current cost of debt 4.8%, average debt maturity 6.8 years PRO FORMA WEIGHTED AVERAGE INTEREST RATE AND MATURITY(1) As At 09/30/14 ($ in millions) Senior Secured Revolving Credit Facility 6.0% Senior Notes due 2020 5.375% Senior Notes due 2021 5.125% Senior Notes due 2022 Total Long-Term Debt Interest Rate $662 525 1,000 1,100 $3,287 Current (2) Yield 2.440% 6.000% 5.375% 5.125% Weighted Average: (3) 4.800% 2.440% 6.204% 6.102% 6.201% Maturity (Years) (3) 5.414% PRO FORMA DEBT MATURITY PROFILE $1,200 Senior Secured Revolving Credit Facility Senior Notes ($ in Millions) $800 4.6 6.2 7.1 8.2 May-19 Dec-20 Nov-21 Dec-22 6.8 Jul-21 (1) $1,000 $1,000 Maturity (Date) $1,100 $662 $525 $600 $400 $200 $0 2014 2015 2016 2017 2018 2019 1. As of 9/30/2014 per 10-Q; pro forma for $1,150 million AM IPO priced on 11/4/2014; net proceeds of $843 million used to repay the credit facility. 2. Current yields of senior notes tranches represent the current yield-to-worst per Bloomberg. 3. Represents weighted average interest rate under the revolving credit facility as of 9/30/2014. 2020 2021 2022 50 MARCELLUS & UTICA – ADVANTAGED ECONOMICS Low cost, liquids-rich Utica and Marcellus Shales will remain attractive in most commodity price environments U.S. INCREMENTAL GAS SUPPLY BREAK-EVEN PRICE CURVE(1) ? 1. Source: Credit Suisse report dated January 2014 – Break even price for 15% after tax rate-of-return; assumes $90.00/Bbl WTI Haynesville ? Barnett ? Eagle Ford Shale Niobrara Utica Shale SW (Rich) Marcellus Shale NE (Dry) Marcellus Shale Permian Needed to make up for base declines in conventional and GOM production Granite Wash 3,000 Antero Drilling Locations 51 LNG EXPORTS BY PROJECT – CURRENT STATUS LNG Exports by Project – Current Status Dates of Key Milestones DOE Non-FTA FERC Permit Construction Send Out NonFTA Permit Capacity Underlying Gas Demand Project Sabine Pass 1-4 Awarded 05/20/11 Approval 04/16/12 (Bcf/d) 2.20 (Bcf/d) 2.42 Contracts Fully Subscribed Offtakers BG, GasNatural Fenosa, Kogas, GAIL Cove Point 09/11/13 09/29/14 0.77 0.85 Fully Subscribed Sumitomo, GAIL, Tokyo Gas Cameron 02/11/14 06/19/14 1.70 1.87 Fully Subscribed Sempra, Misui, Mitsubishi, GDF Suez Freeport 05/17/13 07/30/14 1.40 1.54 Fully Subscribed Lake Charles 08/07/13 Expected 2015 2.00 2.20 Fully Subscribed Osaka Gas, Chubu Electric, BP, Toshiba, SK E&S BG 8.07 8.88 0.40 0.44 Not Subscribed N/A 8.47 9.32 Sherwood 7 Subtotal Freeport Phase II Total 11/15/13 Pending Source: Simmons & Company International, “2015 US Natural Gas Outlook and Updated Long Term Demand Forecast,” September 2014. Data updated for recent announcements subsequent to Simmons report. 52 CAUTIONARY NOTE Regarding Hydrocarbon Quantities The SEC permits oil and gas companies, in their filings with the SEC, to disclose only proved, probable and possible reserve estimates (collectively, “3P”). Antero has provided internally generated estimates for proved, probable and possible reserves in this presentation in accordance with SEC guidelines and definitions. The estimates of proved, probable and possible reserves as of December 31, 2014 included in this presentation have been audited by Antero’s third-party engineers. Unless otherwise noted, reserve estimates as of December 31, 2014 assume ethane rejection and strip pricing. Actual quantities that may be ultimately recovered from Antero’s interests may differ substantially from the estimates in this presentation. Factors affecting ultimate recovery include the scope of Antero’s ongoing drilling program, which will be directly affected by commodity prices, 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. In this presentation: “3P reserves” refer to Antero’s estimated aggregate proved, probable and possible reserves as of December 31, 2014. The SEC prohibits companies from aggregating proved, probable and possible reserves in filings with the SEC due to the different levels of certainty associated with each reserve category. “EUR,” or “Estimated Ultimate Recovery,” refers to Antero’s internal estimates of per well hydrocarbon quantities that may be potentially recovered from a hypothetical future well completed as a producer in the area. These quantities do not necessarily constitute or represent reserves within the meaning of the Society of Petroleum Engineer’s Petroleum Resource Management System or the SEC’s oil and natural gas disclosure rules. “Condensate” refers to gas having a heat content between 1250 BTU and 1300 BTU in the Utica Shale. “Highly-Rich Gas/Condensate” refers to gas having a heat content between 1275 BTU and 1350 BTU in the Marcellus Shale and 1225 BTU and 1250 BTU in the Utica Shale. “Highly-Rich Gas” refers to gas having a heat content between 1200 BTU and 1275 BTU in the Marcellus Shale and 1200 BTU and 1225 BTU in the Utica Shale. “Rich Gas” refers to gas having a heat content of between 1100 BTU and 1200 BTU. “Dry Gas” refers to gas containing insufficient quantities of hydrocarbons heavier than methane to allow their commercial extraction or to require their removal in order to render the gas suitable for fuel use. 53
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