Year-over-year summary August 2018

1 U. S. energy information administration | Drilling Productivity Report01,0002,0003,0004,0005,0006,000 AnadarkoAppalachiaBakkenEagle FordHaynesvilleNiobraraPermianDecember-2 017 December-2018 Oil productionthousandbarrels/day06,00012,00 018,00024,00030,00036,000 AnadarkoAppalachiaBakkenEagle FordHaynesvilleNiobraraPermianDecember-2 017 December-2018 Naturalgas productionmillion cubic feet/day05001,0001,5002,0002,5003,000 AnadarkoAppalachiaBakkenEagle FordHaynesvilleNiobraraPermianDecember-2 017 December-2018 New-well oil production per rigbarrels/day03,0006,0009,00012,00015,0 0018,000 AnadarkoAppalachiaBakkenEagle FordHaynesvilleNiobraraPermianDecember-2 017 December-2018 New-well gas production per rigthousand cubic feet/day (960) (840) (720) (600) (480) (360) (240) (120) 0 AnadarkoAppalachiaBakkenEagle FordHaynesvilleNiobraraPermianDecember-2 017 December-2018 Legacygas production changemillion cubic feet/day (240) (210) (180) (150) (120) (90) (60) (30) 0 AnadarkoAppalachiaBakkenEagle FordHaynesvilleNiobraraPermianDecember-2 017 December-2018 Legacyoil production changethousandbarrels/daydrilling data through July projected production through SeptemberNovember 2018 Drilling Productivity ReportYear- over - year summary020406080100 AnadarkoAppalachiaBakkenEagle FordHaynesvilleNiobraraPermianDecember-2 017 December-2018thousandbarrels/dayIndicate d monthly change in oil production (Sep vs.)

2 Aug)-2000200400600800 AnadarkoAppalachiaBakkenEagle FordHaynesvilleNiobraraPermianDecember-2 017 December-2018million cubic feet/dayIndicated monthly change in gas production (Sep vs. Aug)2