Sustainability Metrics(1)

Earthstone’s “Do the Right Thing” approach and proactive emissions and flaring initiatives are demonstrated by:

29%
Below Permian Peers Average(2)

2020 Greenhouse Gas
Emissions Intensity of 12.4
(mT CO2e / Mboe)

45%
Below Permian Peers Average(2)

2020 Flaring Intensity of 2.17%
(operated gas flared /
operated gas produced)


Unit of Measure 2019 2020
GREENHOUSE GAS EMISSIONS
Carbon dioxide emissions metric tons 109,216 79,485
Methane emissions metric tons 430 540
Nitrous oxide emissions metric tons 0.6 0.2
Total GHG emissions mT CO2e 120,140 93,042
Total gross operated production Mboe (6:1) 6,930 7,489
GHG intensity mT CO2e/Mboe 17.3 12.4
Methane emissions intensity rate mT CO2e/Mboe 1.6 1.8
SOURCES OF EMISSIONS
Flaring mT CO2e 14,719 31,292
Combustion mT CO2e 95,365 49,937
Vented emissions mT CO2e 6,255 8,380
Fugitive emissions mT CO2e 3,801 3,432
FLARING
Flaring percentage(3) % 1.2% 2.2%
LAND
Reportable number of oil spills # 0 0
Reportable oil spill rate (% of production) % of production 0.0% 0.0%
Reportable number of water spills # 1 0
Reportable water spill rate (% of production) % of production 0.4% 0.0%
SAFETY
Employee man hours 124,800 124,800
Employee incidents 0 0
Employee TRIR 0.00 0.00


(1) All metrics have been calculated based on the best available information and consistent with required reporting, where applicable. Greenhouse Gas Emissions are based on Earthstone’s gross operated operations and metrics are calculated in accordance with the standards of the U.S. Environmental Protection Agency (“EPA”).

(2) Peers include CDEV, CPE, FANG, LPI, MTDR, PXD, SM and XEC. Data compiled from company published data for most recent available year (2019 or 2020) and from publicly available EPA reports as of June 1, 2021.

(3) Gross natural gas flared / gross natural gas produced.

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