The following are certain terms and acronyms commonly used and included within this Report:

AST—aboveground storage tank

Bcfe—billion cubic feet equivalent blending—process of mixing dry and damp gas in order to meet downstream pipeline specifications

Btu—One British Thermal Unit

CCS—carbon capture and storage

CMM—coal mine methane

CNG—compressed natural gas

CO2e—carbon dioxide equivalent—the number of metric tons of CO2 emissions with the same global warming potential as one metric ton of another greenhouse gas

DBE/MBE/WBE—disadvantaged business enterprise/ minority business enterprise/ women’s business enterprise

EMS—environmental management system

environmental attributes—items such as (but not limited to): carbon credits, air quality credits, renewable or alternative energy credits, methane capture credits, methane performance certificates, emission reductions, offsets and/or allowances.

ERP—emergency response plan

ESCR—Environmental, Safety, and Corporate Responsibility Committee of the CNX Board of Directors

FCF—free cash flow—free cash flow is operating cash flow minus capital spending plus proceeds from asset sales

GHG—greenhouse gas

GRI—Global Reporting Initiative

HSE—health, safety, environmental

LNG—liquefied natural gas

Mcf—One thousand cubic feet of natural gas

Mcfe—One thousand cubic feet of natural gas equivalent

methane intensity (gathering and boosting segment)—methane intensity refers to the ratio of methane emitted into the atmosphere expressed as a percentage of the natural gas throughput

methane intensity (production segment)—methane intensity refers to the ratio of methane emitted into the atmosphere expressed as a percentage of the natural gas which is produced

PA DEP—Pennsylvania Department of Environmental Protection

QMS—quality management system

RNG—renewable natural gas

RSG—responsibly sourced gas

RTOC—real-time operations center

SASB—Sustainability Accounting Standards Board

Scope 1 emissions—direct greenhouse (GHG) emissions that occur from sources that are controlled or owned by an organization

Scope 2 emissions—indirect greenhouse (GHG) emissions associated with the purchase of electricity, steam, heat, or cooling

Scope 3 emissions—indirect greenhouse (GHG) emissions from the use of sold product

TCFD—Task Force on Climate-related Financial Disclosures

Tcfe—trillion cubic feet equivalent

TNFD—Task Force on Nature-related Financial Disclosures