. . . Exhibit 12.1 COMSTOCK RESOURCES, INC. AND SUBSIDIARIES COMPUTATION OF EARNINGS TO FIXED CHARGES RATIO Six Months Ended Year Ended June 30, ----------------------------------------------------- -------------------- 2000 2001 2002 2003 2004 2004 2005 --------- --------- --------- --------- --------- --------- --------- Ratio of Earnings to Fixed Charges Fixed charges Interest expense $ 25,819 $ 22,098 $ 31,252 $ 29,860 $ 21,182 $ 10,791 $ 10,517 Capitalized interest expense - 230 281 422 363 187 207 Preferred stock dividends 2,471 1,604 1,604 573 - - - Rental expense deemed interest - - - - - - - --------- --------- --------- --------- --------- --------- --------- Total fixed charges $ 28,290 $ 23,932 $ 33,137 $ 30,855 $ 21,545 $ 10,978 $ 10,724 ========= ========= ========= ========= ========= ========= ========= Earnings, as Defined: Income from continuing operations before income taxes 63,034 53,085 19,350 82,949 73,209 29,205 8,877 Interest expense 25,819 22,098 31,252 29,860 21,182 10,791 10,517 Rental expense deemed interest - - - - - - - --------- --------- --------- --------- --------- --------- --------- Earnings, as defined(1) $ 88,853 $ 75,183 $ 50,602 $ 112,809 $ 94,391 $ 39,996 $ 19,394 ========= ========= ========= ========= ========= ========= ========= Ratio of earnings to fixed charges(2) 3.1x 3.1x 1.5x 3.7x 4.4x 3.6x 1.8x ========= ========= ========= ========= ========= ========= ========= - -------------------- (1) Earnings represent income before income taxes from continuing operations before fixed charges (2) For the purposes of calculating the ratio of earnings to fixed charges, fixed charges include interest expense, capitalized interest expense, preferred stock dividends and that portion of non-capitalized rental expense deemed to be the equivalent of interest. Earnings represent income before income taxes from continuing operations before fixed charges.