Table of Contents Index to Financial Statements The information regarding oil and gas production, production prices and production costs required by Item 1204 of Regulation S-K is set forth below: Production, Average Sales Price and Average Production Cost (1) The Fayetteville Shale E&P assets and associated reserves were sold in December 2018. For the years ended December 31, 2020 2019 2018 Natural Gas Production  (Bcf) : Northeast Appalachia 473  459  459  Southwest Appalachia 221  150  105  Fayetteville Shale  —  —  243  Total 694  609  807  Average realized gas price, excluding derivatives  ($/Mcf) : Northeast Appalachia $ 1.37  $ 2.10  $ 2.54  Southwest Appalachia $ 1.27  $ 1.62  $ 2.58  Fayetteville Shale  $ —  $ —  $ 2.21  Total $ 1.34  $ 1.98  $ 2.45  Average realized gas price, including derivatives  ($/Mcf) : $ 1.70  $ 2.18  $ 2.35  Oil Production  (MBbls) : Southwest Appalachia 5,124  4,673  3,355  Other 17  23  52  Total 5,141  4,696  3,407  Average realized oil price, excluding derivatives  ($/Bbl) : Southwest Appalachia $ 29.18  $ 46.86  $ 56.71  Other $ 37.24  $ 53.66  $ 62.01  Total $ 29.20  $ 46.90  $ 56.79  Average realized oil price, including derivatives  ($/Bbl) : $ 46.91  $ 49.56  $ 56.07  NGL Production  (MBbls) : Southwest Appalachia 25,923  23,611  19,679  Other 4  9  27  Total 25,927  23,620  19,706  Average realized NGL price, excluding derivatives  ($/Bbl) : Southwest Appalachia $ 10.24  $ 11.59  $ 17.89  Other $ 11.50  $ 7.61  $ 28.12  Total $ 10.24  $ 11.59  $ 17.91  Average realized NGL price, including derivatives  ($/Bbl) $ 11.15  $ 13.64  $ 17.23  Total Production (Bcfe) Northeast Appalachia 473  459  459  Southwest Appalachia 407  319  243  Fayetteville Shale  —  —  243  Other —  —  1  Total 880  778  946  Lease Operating Expense Cost per Mcfe, excluding ad valorem and severance taxes: Northeast Appalachia $ 0.86  $ 0.85  $ 0.81  Southwest Appalachia $ 1.00  $ 1.02  $ 1.08  Fayetteville Shale  $ —  $ —  $ 0.98  Total $ 0.93  $ 0.92  $ 0.93  (1) (1) (1)  (2) (1) 45