## DEFINITIONS 

The following are abbreviations and definitions of terms commonly used in the oil and gas industry and this report. Natural gas equivalents and crude oil equivalents are determined using the ratio of six Mcf to one barrel. All references to “us,” “our,” “we” or “Comstock” mean the registrant, Comstock Resources, Inc. and where applicable, its consolidated subsidiaries. 

“Bbl” means a barrel of U.S. 42 gallons of oil. 

“Bcf” means one billion cubic feet of natural gas. 

“Bcfe” means one billion cubic feet of natural gas equivalent. 

“BOE” means one barrel of oil equivalent. 

“Btu” means British thermal unit, which is the quantity of heat required to raise the temperature of one pound of water from 58.5 to 59.5 degrees Fahrenheit. 

“Completion” means the installation of permanent equipment for the production of oil or gas. 

“Condensate” means a hydrocarbon mixture that becomes liquid and separates from natural gas when the gas is produced and is similar to crude oil. 

“Development well” means a well drilled within the proved area of an oil or gas reservoir to the depth of a stratigraphic horizon known to be productive. 

“Dry hole” means a well found to be incapable of producing hydrocarbons in sufficient quantities such that proceeds from the sale of such production exceed production expenses and taxes. 

“Exploratory well” means a well drilled to find and produce oil or natural gas reserves not classified as proved, to find a new productive reservoir in a field previously found to be productive of oil or natural gas in another reservoir or to extend a known reservoir. 

“GAAP” means generally accepted accounting principles in the United States of America. 

“Gross” when used with respect to acres or wells, production or reserves refers to the total acres or wells in which we or another specified person has a working interest. 

“MBbls” means one thousand barrels of oil. 

“MBbls/d” means one thousand barrels of oil per day. 

“Mcf” means one thousand cubic feet of natural gas. 

“Mcfe” means one thousand cubic feet of natural gas equivalent. 

“MMBbls” means one million barrels of oil. 

“MMBOE” means one million barrels of oil equivalent. 

“MMBtu” means one million British thermal units. 

