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Natural Gas Liquids Fundamentals - SEPTEMBER 2021 - cloudfront.net
Natural Gas Liquids
Fundamentals
SEPTEMBER 2021
Natural Gas Liquids Fundamentals - SEPTEMBER 2021 - cloudfront.net
Legal Disclaimer
This presentation includes “forward-looking statements.” Such forward-looking statements are subject
to a number of risks and uncertainties, many of which are beyond AR’s control. All statements, except
for statements of historical fact, made in this presentation regarding activities, events or developments
are 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 forward-looking statements speak only as of
the date of this presentation. Although AR believes that the plans, intentions and expectations
reflected in or suggested by the forward-looking statements are reasonable, there is no assurance that
these plans, intentions or expectations will be achieved. Therefore, actual outcomes and results could
materially differ from what is expressed, implied or forecast in such statements. To the extent a
forward-looking statement contained in this presentation speaks as of a period covered by prior
guidance, the information in this presentation is intended to supersede, and investors should not rely
on, such prior guidance.
AR 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 the AR’s control, incident to the
exploration for and development, production, gathering and sale of natural gas, NGLs 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 "Item 1A. Risk Factors" in AR’s Annual Report on Form 10-K
for the year ended December 31, 2020.

                                                                                                                     2
Natural Gas Liquids Fundamentals - SEPTEMBER 2021 - cloudfront.net
Strong NGL Price Momentum
NGL prices have strengthened as global demand continues to increase while supply flattens.
               Storage levels at five year lows provide a bullish set up for winter 2021/2022.

                                                      U.S. NGL Market Overview and Outlook
                                    Supply
                                • U.S. NGL supply has remained flat through 2021, driven by moderated drilling activity across U.S.
                                  Shale Basins
                                • Lower global refinery utilization results in a decline in NGL supply as a byproduct of refining
                                • Record setting LPG exports led to U.S. propane inventories below the 5-year average as we enter
                                  winter

                                    Demand
                                • Resilient domestic and international demand from petrochem and residential/commercial sectors
                                • New LPG demand continues to come online, including over 500 MBbl/d of new PDH demand
                                  expected in China from 2021 through 2023
                                • Rising living standards in developing countries, particularly in Asia, create an inelastic demand pull
                                  for LPG and NGL derivative products
                                    Outlook for NGLs
                                • The impact of a decline in shale oil activity on “associated NGL” production has been even more
                                  pronounced than the impact on associated gas production while global NGL demand increases
                                • U.S. NGL export capacity expansions tighten Mont Belvieu differentials to premium Brent-linked
                                  international pricing
                                • Bullish – Robust demand and flat supply has already driven C3+ pricing from an average of
                                  ~$21/Bbl in 2020 to over $50/Bbl year-to-date 2021

Sources: February EIA Short Term Energy Outlook, S&P Global Platts estimates and J.P. Morgan Commodities Strategy Team Research. LPG is comprised of NGL components propane and butane.
                                                                                                                                                                                          3
Natural Gas Liquids Fundamentals - SEPTEMBER 2021 - cloudfront.net
U.S. NGL Production vs. LPG Export
         – Reduced drilling & completion activity in the U.S. has flattened NGL supply growth,
           while LPG exports increased 17% in 2020
         – Supply in 2H 2021 forecast to stay “home” offsetting historically low domestic
           inventories
    U.S. C2+ NGL Production Forecast (MBbl/d)                                   US Waterborne LPG Exports (MBbl/d)

        10,000,000                                                          2,500
                                                                                                                  1,665 MBbl/d
                                                                                                   1,608 MBbl/d
                                                                                                                      +4%
                                                 U.S. C2+ NGL production                               +17%
                                                  forecast to increase 2%
          8,000,000                                                         2,000
                                                          in 2021
                                                                                    1,372 MBbl/d

          6,000,000                                                         1,500

                                                                                                             Limited export
                                                                                                             growth in 2021,
          4,000,000                                                         1,000                            supply forecast
                                                                                                             to stay “home”
                                                                                                                offsetting
                                                                                                             historically low
                                                                             500                               inventories
          2,000,000

                     -                                                         0

Source: Platts Analytics data as of 8/31/2021.                                                                                   4
Natural Gas Liquids Fundamentals - SEPTEMBER 2021 - cloudfront.net
Propane Market Fundamentals
     A repeat of the same weekly withdrawals as last winter would result in the U.S.
        ending withdrawal season with only about 12 million barrels in storage,
                    significantly below 5-year minimum storage level

                                                              U.S. Propane Inventories (MMBbls)
                        120
                                                                           2021 injection season
                                                                           projected to end at ~75
                        100                                                 MMBbls per industry
                                                                                 estimates

                        80
      Million Barrels

                                                       2020
                        60
                                                                                                                          Repeating winter
                                                                                                                2021E
                                                                                                                         2020-2021 weekly

                        40                                                                    2021

                        20
                                                     2022E

                                                                              ...Results in ending withdrawal
                                                                               season at only ~12 MMBbls,
                         0                                                      or just 4 to 6 days of supply
                              Jan       Feb      Mar             Apr               May     Jun        Jul       Aug     Sep       Oct        Nov      Dec

                                    5-Yr Range          2020                 5-Yr Avg 2016-2020         2021 Actual     2021 Forecast        2022 Forecast

Source: EnVantage Inc. and Energy Information Administration (EIA) as of 9/3/21.                                                                             5
Natural Gas Liquids Fundamentals - SEPTEMBER 2021 - cloudfront.net
NGL Price Strength
                         NGL prices remain elevated on an absolute basis and relative
                     to WTI due to sufficient export capacity and resilient global demand
                                                          AR Monthly Realized C3+ NGL Price
 $/Bbl                       AR C3+ Realized Price ($/Bbl)                                WTI Price                   % of WTI                  08/30/2021 AR Spot C3+ Price:
                                                                                                                                                         $50.80/Bbl
$80                                                                                                                                                      71% of WTI                                    100%

                                                                                                                                                                                                       90%
$70                                                                WTI Price
                                                                                                                                                                                                       80%
$60
                                                                                                                                                                                                       70%
$50                                                                 % of WTI
                                                                                                                                                                                                       60%

$40                                                                                                                                                                                                    50%

                                                                                                                                                                                                       40%
$30
                                                                                                                                                                                                       30%
$20
                                                                                                                                                                                                       20%
                                                                AR C3+ Price
$10
                                                                                                                                                                                                       10%

  $0                                                                                                                                                                                                   0%

Source: Bloomberg actuals through August 2021. C3+ NGL pricing based on Antero C3+ NGL component barrel consisting of 56% C3 (propane), 10% isobutane (Ic4), 17% normal butane (Nc4) and 17% natural
gasoline (C5+).                                                                                                                                                                                               6
Natural Gas Liquids Fundamentals - SEPTEMBER 2021 - cloudfront.net
Strong NGL Price Recovery
    Domestic and international LPG prices have improved on a relative basis to crude
    oil, driven by resilient global demand for LPG from petrochemicals and res/comm

                     C3+ NGL Prices & % of WTI (1)                                                             Far East Index (FEI) Propane Prices & % of Brent
 ($/Bbl)                      % of WTI                        MB C3+ NGL ($/Bbl)                           ($/Bbl)                      % of Brent               FEI Propane ($/Bbl)
                                                                                                                                                                      FEI Propane Price
     $55                                        C3+ Price as                                 100%            $60                                                                          100%
                                                                                                                                                                        as % of Brent
                 Historical MB                   % of WTI
     $50          C3+/WTI%                                                                   90%                                                           87%                            90%
                  5-year avg:                                                                                                       84%
                     ~62%                                                                                    $50                                                   80%
     $45                                                                                                                                                                           78%    80%
                                                                                 75%         80%
                                                           72%
     $40                                                                                                                                                                   67%
                                                                                             70%                                                66%                                       70%
                           66%                  65%                    63%                                   $40        64%
     $35
                                     58%                                                     60%                                                                                          60%
     $30
               48%                                                                           50%             $30                                                                          50%
                                                         C3+ NGL Price                                                                                     FEI Propane Price
     $25
                                                                                             40%                                                                                          40%
     $20
                                                                                                             $20
                                                                                             30%                                                                                          30%
     $15
                                                                                             20%                                                                                          20%
     $10                                                                                                     $10

       $5                                                                                    10%                                                                                          10%

       $0                                                                                    0%                $0                                                                         0%
             1Q20A 2Q20A 3Q20A 4Q20A 1Q21A 2Q21A 3Q21E                                                                1Q20A 2Q20A 3Q20A 4Q20A 1Q21A 2Q21A 3Q21E

                                                                                                                                                                                               7
Source: ICEdata Mont Belvieu, Far East Index, WTI and Brent strip pricing as of 8/31/2021.
1)   Based on Antero C3+ NGL component barrel consists of 56% C3 (propane), 10% isobutane (Ic4), 17% normal butane (Nc4) and 17% natural gasoline (C5+).
Natural Gas Liquids Fundamentals - SEPTEMBER 2021 - cloudfront.net
The Impact of the U.S. Shale Revolution
    The Shale Revolution dramatically changed the NGL landscape, turning the U.S. into
                 a net exporter after decades of importing NGL products

                  U.S. NGL Production (MBbl/d)                                          (1)                              U.S. NGL Exports / (Imports) (MBbl/d)                        (2)

         6,000                                                                                                       2,500

         5,000                                                                                                       2,000
                      Driven primarily by
                     shale oil development
                      with high oil prices
         4,000                                                                                                       1,500
MBbl/d

                                                                                                                MBbl/d
         3,000                                                                                                       1,000

                                                           Pentane                                                                      Net importer of NGLs
         2,000                                                                                                           500
                                             IsoButane

                               Butane
         1,000                                                                                                             -
                            Propane

                          Ethane(1)
            0                                                                                                            (500)
                 1984      1990         1996          2002          2008          2014          2020                             1984      1990           1996   2002   2008   2014   2020

 1)   Includes recovered ethane volumes and natural gasoline (C5).2021 data through June.
 2)   2021 data through June.
 Source: U.S. Energy Information Administration 1984-2020. NGL exports/imports includes ethane, propane, normal butane, isobutane and natural gasoline.
                                                                                                                                                                                             8
LPG Exports
         US exports surpassed the entire Middle East region combined starting in 2019

                                                                LPG Exports: US versus Middle East

    1800                                             US is the incremental
                                                   supplier for growing world
    1600                                                    demand.

    1400

    1200

    1000

      800
                                                                                             Supply from Middle East nations flat,
                                                                                             OPEC policies limit growth potential
      600

      400

      200

          0
                             US                            Qatar                            UAE                       Saudi Arabia                         Kuwait                      Iran
                              2011          2012          2013           2014          2015          2016          2017          2018          2019          2020           2021 YTD

Source: Platts.
Notes: Propane and Butane exports only based on cFlow ship tracking data. US Exports do not include exports via land to Canada and Mexico. 2021 YTD through September 2, 2021.                9
U.S. NGL Demand Growth
                   NGL demand growth driven primarily by exports of LPG (propane/butane)

             U.S. C3+ Demand by Sector (MMBbl/d)                                   Estimated U.S. C3+ Demand – 2024

             4.5

             4.0

             3.5
                                                                                                   Petrochemical
             3.0                                                                                      15%
   MMBbl/d

             2.5                                  Exports 2019-2024 Growth: +21%      Exports               Refining/
                                                                                                            Blending
             2.0
                                                                                         53%                  19%
             1.5
                                       Refining/Blending 2019-2024 Growth: +3%

             1.0                                                                                    Residential/
                              Residential/Commercial 2019-2024 Growth: +8%                          Commercial
             0.5                                                                                          13%
                                            Petrochemicals 2019-2024 Growth: +3%
             0.0
                    2016 2017 2018 2019 2020 2021 2022 2023 2024

Source: S&P Global Platts as of 8/31/2021                                                                               10
LPG Export Capacity: Unconstrained Outlook
   High utilization rates prompted next round of buildout of LPG propane/ butane
  export capacity, resulting in unconstrained exports beginning in 2020 and positive
           outlook for Mont Belvieu pricing relative to international pricing

                                            U.S. Gulf Coast LPG Exports vs. Capacity (MBbl/d)

                      PADD 3 Existing Capacity           Targa Galena Park          ET Nederland            LPG Export Forecast

         2,000
                                                                                Targa
         1,800                                                               Galena Park-          ET Nederland - 300 MBbl/d
                                                                              150 MBbl/d
         1,600

         1,400

         1,200
MBbl/d

         1,000

          800

          600

          400

          200

            -
                Jan-13 Jan-14 Jan-15 Jan-16 Jan-17 Jan-18 Jan-19 Jan-20 Jan-21 Jan-22 Jan-23 Jan-24

Source: S&P Global Platts as of 8/31/2021
                                                                                                                                  11
Northeast NGL Producers are Advantaged
       Producer Disadvantaged:                     Producer Advantaged & Unconstrained:
E&Ps in Permian, Rockies, Mid-Con & Bakken                  Antero Resources in Appalachia

                                                                                  AR is the largest C3+ producer
                                                                                   with the most international
                                                                                     exposure in Appalachia
                                                                Mariner East         Anchor shipper on ME2

  FROM ROCKIES      Conway                                               Who Captures the Arb at Marcus Hook?
                                                                      Answer: AR and other Appalachian E&P’s
                                                                      • Direct sales to most attractive international
                                                                        (ARA & FEI) & domestic markets
                                                                      • Fixed terminal rates
                                                                      • Local fractionation & marketing to sell purity
                                                                        products in-basin for local demand
                                                                       Results in “Mont Belvieu plus” pricing
                                                                       netbacks captured “at the dock” by AR

                              Mont
                             Belvieu         Who Captures the Arb at the Gulf Coast?

                                       Answer: Midstream & LPG off-takers (not E&P’s)
                                       • No direct E&P access to international markets (i.e.
                                         producers only receive Mont Belvieu linked pricing)
                                       • No local fractionation to sell marketable purity
                                         products in-basin
                                         Results in “Mont Belvieu Minus” pricing
                                                     “before the dock”

                                                                                                                         12
C3+ NGLs: Northeast Market Dynamics and Supply
  Antero’s C3+ blended differential to Mont Belvieu has improved with the Mariner
         East 2 export takeaway and ability to access international markets

               Northeast C3+ NGL Supply                                  Northeast C3+ NGL Takeaway

             500
                                                  Pentanes   Midwest/
             400                                             Conway
                                                IsoButane
    MBbl/d

             300                                                   Cornerstone                 Mariner East 1
                                             Normal Butane
                                                                                                70 MBbl/d
             200
                                                                                                                   Export
             100                                Propane                                                            Markets

               0                                                                            Mariner East 2
                                                                                       ~165 MBbl/d to 275 MBbl/d

    ~210 MBbl/d of Northeast C3+ demand vs.
                                                             U.S. Gulf             Mariner East 2, placed in
    ~450 MBbl/d of Northeast supply in 2020                   Coast              service at YE 2018, provides
    - Resulted in 47% of production consumed locally                             additional baseload demand
    - Remainder moved primarily by rail and exported                             and access to international
                                                                                         LPG markets
    Differentials to Mont Belvieu
    tightened in 2019 as ~165+ MBbl/d of
    LPG exported via Mariner East 2

Source: S&P Global Platts as of 8/31/2021.                                                                                   13
LPG: Northeast Supply & Demand
  Northeast LPG markets became oversupplied in 2015 and were forced to transport
               via rail, which was relieved by Mariner East 2 in 2019

                   Northeast LPG NGL Supply vs. Demand & Takeaway Capacity (Excluding Rail)

                    Long Local Demand and                  Short Local Demand &    ME2 Realized
                       Pipeline Capacity                     Pipeline Capacity       Effect =
             500      = Tight Differentials                 = Wide Differentials    +$4.00/bbl
                     ~$(2.00)/Bbl vs. Mont                 ~$(6.00)/Bbl vs. Mont    Differential
             450                                                                   Improvement
                            Belvieu                               Belvieu
             400

             350                                       Rail fills short
                                                        term gaps
             300
    MBbl/d

             250
                                                                                                   Mariner East System

             200

             150

             100
                                                                                               Regional Demand
              50

               0

Source: S&P Global Platts, Antero Company Estimates.
                                                                                                                         14
Ethane: Northeast Market Dynamics & Supply
      Antero’s ethane has a natural gas value pricing floor; pricing improvements from
               additional petrochemical and takeaway demand is all “Upside”

               ~260 MBbl/d of ethane current rejected in               Northeast Ethane Takeaway and Capacities
              Northeast (~48% of potentially recoverable ethane)

           Antero is an anchor supplier to Shell’s                                                      Shell Cracker
           cracker expected in-service in 2022                                       Mariner West     105 MBbl/d (2022)
                                                                                      50 MBbl/d
                                                                       Utopia East                  Mariner East
           Antero ethane firm sales contracts ~50%                      50 MBbl/d                    70 MBbl/d
           gas-linked and ~50% Mont Belvieu-linked.

                Northeast Ethane Supply (MBbl/d)                                             Mariner East 2X:
                                                                                             TBD MBbl/d 2021

        700           Full Ethane Recovery
        600                                               ME2X
                    Actual Ethane Recovery
        500                                            Shell Cracker
        400                                               Utopia
  MBbl/d

        300                                            Mariner East
        200
                                                       Mariner West
        100
                                                          ATEX
          0
       -100

Source: S&P Global Platts

                                                                                                                          15
Ethane: Export Market Pulls Barrels Overseas
        The ethane market continues to develop and creates opportunities for ethane
                        sales outside of the domestic cracker pool

                                                Ethane Export Suppliers and Customers

                                                                Europe
                                                                Borealis
                               Marcus                            INEOS
       U.S. Gulf                Hook                           ExxonMobil
        Coast                                                     Sabic
                                                                            South Asia
                                                                             Reliance
     Mexico                                                                                              Southeast
     Pemex                                                                                                 Asia
                                                                                                              FEI
                                                                                                         SP Chem
                                                                                                          Nanshan
                                                                                                          Satellite
                                              South America
                                                Braskem
                                                                                         US Terminals         Export     ISD
                                                                                                              Capacity
                                                                                                              (MBbl/d)

          New Build crackers in                                                          ETP Marcus Hook      70         2016

         Europe, Asia looking to                                                         EPD Morgan’s Point   200        2016

           U.S. C2 for supply                                                            ETP/Satellite        175        2021
                                                                                         Total                445

Source: S&P Global Platts , Company Reports                                                                                     16
Summary
Historically low NGL inventory, disciplined producer activity, and “inelastic”
    international LPG demand provide bullish backdrop for NGL prices

      Moderate U.S. C3+ NGL production growth expected in
              2021 as producers remain disciplined

       Propane days of supply at 5-year lows could result in
         an undersupplied U.S. market in 2021 and 2022

           Inelastic global NGL demand growth driven by
          improvements in living standards and subsidies

     U.S. NGL differentials have tightened vs. global prices as
      exports provide uplift with premium Brent-linked pricing

      Price outlook for U.S. LPG exports is strong as global
     demand grows and export supply growth from the middle
                   east and the U.S. subsides
     Appalachian producers are geographically advantaged vs.
       U.S. Gulf Coast producers – captures the international
      pricing uplift by selling at the export dock (Marcus Hook)                 17
Appendix
Focus on Liquids Rich Drilling
        Antero currently recovers only 30% of the ethane in its rich gas stream while
      rejecting 70% of the ethane, sending it to pipeline sales in the natural gas stream
                                        Antero NGL Barrel Composition (2021 Guidance)
                                                                           Remaining 70% of ethane
     Natural Gas                       1100 BTU Gas                       stays in natural gas stream
     Processing                                                             and enhances gas BTU                                           Ethane (C2)
                                                                             ~128,000 Bbl/d of C2                                          50,000 Bbl/d

                                                165,000 Bbl/d C2+ NGLs
          1250 BTU Rich Gas

                                                  AR recovers ~30% of ethane                                                         ~115,000 Bbl/d C3+ NGLs
                                                     in its rich gas stream

                                                               Ethane
                                                            ~50,000 Bbl/d
                                                             30% of Barrel

                                                                                                                                           Propane (C3) 56%
   Liquids
     Rich
  Production                                                 C3+ NGLs
                                                           ~115,000 Bbl/d

                                                              70% of Barrel                                                           Normal Butane (C4) 17%

                                                                                                                                         IsoButane (iC4) 10%

                                                                                                                                         Pentanes (C5+) 17%
                                                       AR’s C2+ NGL Barrel
                                                          Composition                                                                   AR’s C3+ NGL Barrel
                                                                                                                                           Composition
                                                                                                                                                               19
Note: Based on Antero 2021 production guidance. Antero C3+ NGL component barrel consists of 56% C3 (propane), 10% isobutane (Ic4),
17% normal butane (Nc4) and 17% natural gasoline (C5+).
Natural Gas Liquids Primer
  Natural Gas Liquids “NGLs” are contained in the rich natural gas stream, but after
   processing, condense into liquid form for storage, shipping and consumption
                                                                                 Purity Products
                          Y-Grade                De-              Ethane
                                                                                    Ethane*
                                             ethanization
           Wellhead
             Gas                                                                   Propane*
                        Processing                   C3+ Raw
                                                      NGLs                          Butane*
 Rich Gas
(>1100 Btu)                                                Fractionation           Isobutane

                                                                                    Pentane
                               Dry Gas
                                                                  LNG and
                                                               Pipeline Export
                                                                  Markets
                                     Natural Gas                            Domestic   Export
  Dry Gas
                   Dry Gas            Pipeline                             Consumption Markets
(
China PDH Plant Outlook

                          21
Natural Gas Liquids Primer
NGLs play an essential role in the domestic and international industrial, residential,
                    commercial and transportation industries

             Gas Linked Pricing                                                Crude Linked Pricing

                                                                                 Iso-
               Methane       Ethane            Propane         Butane           Butane          Pentane

              Natural Gas       C2                 C3              C4              IC4              C5

                                                Industrial
 Primary                     Chemical          Residential      Industrial
                  All                                                            Industrial    Transportation
 Sectors                     Industrial        Commercial,    Transportation
                                                Chemical
                                                 Heating,
                              Ethylene                           Winter        Alkylate feed
 Primary                                       Crop drying,                                    Gasoline blend
                 Power       Production                         Gasoline        to produce
 Uses                                          Commercial,                                      and diluent
                            (For plastics)                      Blending         gasoline
                                                Propylene

                                             Higher Heating Value

           1000 Btu                                                                             4000 Btu
                                                                                                                22
Antero’s Ethane Export

 •   Antero’s 11,500 Bpd C2 sales contract with Borealis commenced on November 1, 2018
 •   Expect to load ~1 ship per month, bound for Borealis’ steam cracker in Stenungsund,
     Sweden, for duration of 10-year contract

                                                                                           23
Weekly International LPG Pricing Update

                                                                       SEPTEMBER 7, 2021

This material is intended for benchmark pricing estimates only and does not reflect Antero actual contracted prices
                                                                                                             24
Marcus Hook to Europe Arbitrage
                                                                       LPG Arbitrage Futures to Europe (ARA)
                                  Export Arbitrage to Northwest Europe - Propane $/gallon                                                           Export Arbitrage to Northwest Europe - Butane $/gallon

                         Date       MB C3    ARA C3 Spread Shipping        Marcus Hook Netback                                              Date       MB C4   ARA C4 Spread Shipping Marcus Hook Netback
                          Sep-21    1.187     1.278  0.091  0.072             MB + 0.020                                                     Sep-21    1.469    1.485  0.017    0.082    MB + -0.066
                          Oct-21    1.185     1.281  0.096  0.075             MB + 0.021                                                     Oct-21    1.383    1.488  0.106    0.086    MB + 0.020
                         Nov-21     1.178     1.273  0.095  0.077             MB + 0.018                                                    Nov-21     1.363    1.474  0.111    0.089    MB + 0.022
                          Dec-21    1.163     1.262  0.099  0.080             MB + 0.019                                                     Dec-21    1.336    1.457  0.121    0.092    MB + 0.029
                          Jan-22    1.144     1.242  0.099  0.078             MB + 0.021                                                     Jan-22    1.300    1.432  0.132    0.090    MB + 0.042
                          Feb-22    1.111     1.208  0.097  0.077             MB + 0.019                                                     Feb-22    1.258    1.391  0.133    0.089    MB + 0.045
                          Bal '21   1.178     1.273  0.095  0.076             MB + 0.020                                                     Bal '21   1.388    1.476  0.089    0.087    MB + 0.001
                          Cal '22   0.904     1.036  0.132  0.077             MB + 0.055                                                     Cal '22   1.052    1.226  0.174    0.088    MB + 0.086
                          Cal '23   0.751     0.903  0.152  0.072             MB + 0.080                                                     Cal '23                       Not Available

                                                                                                                                            $1.60                                                      $0.20
                        $1.40                                                        $0.20
                                                                                                                                            $1.40
                        $1.20                                                                                                                                                                          $0.15
                                                                                     $0.15                                                  $1.20

                                                                                                                                                                                                                 Netback: MB + $/gal
                                                                                                                     Index Prices ($/gal)
                                                                                               Netback: MB + $/gal
 Index Prices ($/gal)

                        $1.00                                                                                                                                                                          $0.10
                                                                                                                                            $1.00
                        $0.80                                                        $0.10
                                                                                                                                            $0.80                                                      $0.05
                        $0.60                                                        $0.05                                                  $0.60
                                                                                                                                                                                                       $0.00
                        $0.40                                                                                                               $0.40
                                                                                     $0.00                                                                                                             ($0.05)
                        $0.20                                                                                                               $0.20

                        $0.00                                                        ($0.05)                                                $0.00                                                      ($0.10)

                                MB C3        Shipping       ARA C3         Marcus Hook Netback                                                         MB C4        Shipping       ARA C4        Marcus Hook Netback

Sources: ICE for product pricing, Antero Internal Estimates for market shipping rates. Please see appendix for more information.

                                                                                                                                                                                                                                       25
Marcus Hook to Asia Arbitrage
                                                                            LPG Arbitrage Futures to Asia (FEI)
                                    Export Arbitrage to Far East Asia - Propane $/gallon                                                               Export Arbitrage to Far East Asia - Butane $/gallon

                         Date       MB C3    FEI C3      Spread Shipping      Marcus Hook Netback                            Date                      MB C4     FEI C4   Spread Shipping Marcus Hook Netback
                          Sep-21    1.187    1.387        0.200     0.174        MB + 0.027                                   Sep-21                   1.469     1.604     0.135    0.200    MB + -0.064
                          Oct-21    1.185    1.396        0.211     0.183        MB + 0.028                                   Oct-21                   1.383     1.617     0.235    0.211    MB + 0.024
                         Nov-21     1.178    1.394        0.216     0.191        MB + 0.025                                  Nov-21                    1.363     1.611     0.249    0.220    MB + 0.029
                          Dec-21    1.163    1.382        0.219     0.198        MB + 0.021                                   Dec-21                   1.336     1.597     0.261    0.228    MB + 0.033
                          Jan-22    1.144    1.359        0.215     0.194        MB + 0.022                                   Jan-22                   1.300     1.567     0.267    0.223    MB + 0.044
                          Feb-22    1.111    1.323        0.212     0.191        MB + 0.021                                   Feb-22                   1.258     1.541     0.283    0.220    MB + 0.063
                          Bal '21   1.178    1.390        0.212     0.187        MB + 0.025                                   Bal '21                  1.388     1.607     0.220    0.215    MB + 0.005
                          Cal '22   0.904    1.164        0.260     0.190        MB + 0.070                                   Cal '22                  1.052     1.434     0.381    0.218    MB + 0.163
                          Cal '23                               Not Available                                                 Cal '23                                          Not Available

                         $1.80                                                         $0.20                                                  $1.80                                                          $0.20
                         $1.60                                                                                                                $1.60
                                                                                       $0.15                                                  $1.40                                                          $0.15
                         $1.40

                                                                                                 Netback: MB + $/gal

                                                                                                                                                                                                                       Netback: MB + $/gal
                                                                                                                       Index Prices ($/gal)
  Index Prices ($/gal)

                         $1.20                                                                                                                $1.20
                                                                                       $0.10                                                                                                                 $0.10
                         $1.00                                                                                                                $1.00
                         $0.80                                                                                                                $0.80
                                                                                       $0.05                                                                                                                 $0.05
                         $0.60                                                                                                                $0.60
                         $0.40                                                         $0.00                                                  $0.40                                                          $0.00
                         $0.20                                                                                                                $0.20
                         $0.00                                                         ($0.05)                                                $0.00                                                          ($0.05)

                                 MB C3        Shipping          FEI C3       Marcus Hook Netback                                                      MB C4         Shipping        FEI C4       Marcus Hook Netback

Sources: ICE for product pricing, Antero Internal Estimates for market shipping rates. Please see appendix for more information.

                                                                                                                                                                                                                                             26
Antero’s C3+ NGL Composite Barrels
                       Weekly Benchmark Index Pricing as of 9/7/21 – Net of Shipping (1)
                                  This data reflects benchmark pricing estimates and does not directly reflect Antero’s realized prices or hedges
                   Assumes 2021 AR C3+ NGL
                  Volumes of 115,000 Bbl/d (5)                                                         Antero Estimated International Sales
     100%                                                                                                    38.5 Mb/d C3, 16.5 Mb/d C4
                                                                                                            (Assumes 50% ARA, 50% FEI)
     90%                                                                                       • 50% Europe (ARA) Net of Shipping (1)
                                                                                                                                           Bbl/d
                                                                                                        Propane4        $1.21/gal         19,250
     80%                      Propane (C3)
                                                                                                        Butane          $1.40/gal          8,250
                                     56%                                                       • 50% Asia (FEI) Net of Shipping (1)                Weekly Indicated
     70%
                                                                                                                                                   Weighted Average
                               ~64 MBbl/d                                                                 Propane         $1.21/gal   19,250
                                                                                                                                                       Price (2):
     60%                                                                                                  Butane          $1.40/gal    8,250
                                                                                                                                      55,000
                                                                 48% International
                                                                                               Global Weighted C3/C4 Average Price: $53.24/Bbl
     50%                                                         52% Domestic                                                                          $53.56/Bbl

     40%                 Normal Butane (C4)
                                      17%                                                               Antero Estimated Domestic Sales
                                                                                                              100% Mont Belvieu Linked
     30%                        ~20 MBbl/d
                              IsoButane (iC4)                                                  • Mont Belvieu Non-Tet
                                                                                                                                       Bbl/d
     20%                  10%          ~11 MBbl/d
                                                                                                           Propane        $1.19/gal   25,900

                              Pentanes (C5+)                                                               N. Butane      $1.47/gal      3,050
     10%
                                                                                                           IsoButane      $1.40/gal   11,500
                           17%         ~20 MBbl/d
                                                                                                           Pentanes       $1.62/gal   19,550
      0%
              AR’s C3+ NGL Barrel Composition                                                              Total                      60,000
                                                                                               Domestic Weighted Average Price: $53.86/Bbl (4)
1)   Shipping rates assumed are detailed on pages 2 and 3. Please see appendix for more information.
2)   Weighted average assumes 55 MBbl/d international and 60 MBbl/d domestic.
3)   Excludes Antero Hedges.

                                                                                                                                                                      27
4)   Assumes midpoint of Antero guidance for domestic price discount to Mont Belvieu of $0.10/gal.
5)   Volumes are for illustrative purposes only and do not reflect guidance.
Historical C3+ NGL Pricing
     QTD C3+ NGL Price reflects weekly average benchmark pricing estimates for Antero NGL barrel and estimated annual allocation of barrels to domestic
                   vs. export. Antero’s realized prices will differ somewhat due to timing differences and monthly allocation differences.
                                                         NGL hedges are excluded from this analysis.

                                                   Antero’s Historical Reported C3+ NGL Price

         1Q17              $29.52                1Q18            $36.38                  1Q19             $31.63                   1Q20            $21.31              1Q21         $40.72
         2Q17              $24.14                2Q18            $34.81                  2Q19             $28.57                   2Q20            $15.55              2Q21         $40.32
         3Q17              $28.92                3Q18            $38.41                  3Q19             $22.53                   3Q20            $22.50              3QTD (1)     $50.88
         4Q17              $39.16                4Q18            $30.92                  4Q19             $29.61                   4Q20            $27.64              4Q21           -
         2017              $30.48                2018            $34.76                  2019             $27.75                   2020            $21.68              2021(1)      $43.04

                                                                                                                                                                       Current(1)   $53.56

         C3+ NGL Price Sensitivity (2)
                                                                                                             +/- $5 per
            Bbls/d(3)                           Days                      MMBbls                            Bbl Change                                Revenue Impact ($MM)
            115,000                     x        365              =         41.975                  x                  $5                      =                        $210

1)     QTD and 2021 calculation reflects latest average of Weekly Indicated Weighted Average Price published on page 4 each week. Current price as stated on page 4.
2)     Excludes any Antero NGL hedges
3)     Volumes are for illustrative purposes only and do not reflect guidance.                                                                                                               28
Appendix and Supporting Information
This material is intended for benchmark pricing estimates only and does not reflect Antero actual contracted prices

Key Terms and Definitions:
       •    ARA – “Amsterdam-Rotterdam-Antwerp.” ARA is a port and refining area in the Belgian-Dutch region of Europe.
       •    CIF - “Cost, Insurance, Freight.” CIF means that the seller delivers the goods on board the vessel or procures the goods already so
            delivered. Note that the CIF ARA LPG prices represent a delivered cargo into Europe.
       •    FEI – “Far East Index.” The Argus Far East Index is the average of the Argus Japan CFR propane quotation and the Argus South China
            CFR propane quotation. Note that the FEI LPG prices represent a delivered cargo into Asia
       •    CFR - “Cost and Freight.” CFR means that the seller delivers the goods on board the vessel or procures the goods already so delivered.
       •    Baltic Index - The Baltic LPG Index is a shipping cost estimate based on a voyage from Ras Tanura, Saudi Arabia to Chiba, Japan round
            trip, laden (full) on the outbound journey and ballast (empty) on the return trip, carrying a fully refrigerated cargo of 44,000 MT (+/-
            5%) propane, butane, or a mixture. The index is published by the Baltic Exchange.

Intercontinental Exchange (ICE) provides the benchmark pricing Information used in this presentation. For more information, visit
https://www.theice.com/energy/natural-gas-liquids

                                              ICE DEFINITION
           ANTERO LABEL             HUB                   PRODUCT
               ARA C3             CIF ARA           Propane Argus Futures
               ARA C4             CIF ARA            Butane Argus Futures
                FEI C3            Far East          Propane Argus Futures
                FEI C4            Far East           Butane Argus Futures
               MB C3             MT.B-ENT            Propane OPIS Futures
               MB C4             MT.B-ENT        Normal Butane OPIS Futures

Relevant Conversions:
       • Propane = 521 gallons per metric ton
       • Butane = 453 gallons per metric ton

Antero Internal Shipping Estimates are derived by Antero using several sources, including Baltic LPG Index Futures and broker estimates.
        •   Rates are adjusted based on travel time from Marcus Hook, PA to Northwest Europe (Amsterdam-Rotterdam-Antwerp Region) and
            Marcus Hook, PA to Asia (Chiba, Japan).
        •   Antero’s actual shipping rates may differ from these estimates.

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