EXHIBIT 12.1 APACHE CORPORATION STATEMENT OF COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES AND COMBINED FIXED CHARGES, PREFERRED STOCK DIVIDENDS AND PREFERRED INTERESTS OF SUBSIDIARIES (IN THOUSANDS, EXCEPT RATIO DATA) (UNAUDITED) 2005 2004 2003 2002 2001 - ----------- ---------- ---------- ---------- ---------- ---------- EARNINGS Pretax income from continuing operations before preferred interests of subsidiaries ................ $4,206,254 $2,663,083 $1,930,925 $ 915,194 $1,206,863 Add: Fixed charges excluding capitalized interest and preferred interests requirements of consolidated subsidiaries ....................................... 138,399 134,797 132,820 128,730 134,484 ---------- ---------- ---------- ---------- ---------- Adjusted Earnings ..................................... $4,344,653 $2,797,880 $2,063,745 $1,043,924 $1,341,347 ========== ========== ========== ========== ========== FIXED CHARGES AND PREFERRED STOCK DIVIDENDS Interest expense including capitalized interest (1) ... $ 175,419 $ 168,090 $ 173,045 $ 155,667 $ 178,915 Amortization of debt expense .......................... 3,748 2,471 2,163 1,859 2,460 Interest component of lease rental expenditures (2) ... 16,220 14,984 14,458 11,895 9,858 Preferred interest requirements of consolidated subsidiaries (3) ................................... -- -- 11,805 19,581 8,608 ---------- ---------- ---------- ---------- ---------- Fixed charges ......................................... 195,387 185,545 201,471 189,002 199,841 Preferred stock dividend requirements (4) ............. 9,105 9,058 9,968 17,540 32,495 ---------- ---------- ---------- ---------- ---------- Combined Fixed Charges and Preferred Stock Dividends ..... $ 204,492 $ 194,603 $ 211,439 $ 206,542 $ 232,336 ========== ========== ========== ========== ========== Ratio of Earnings to Fixed Charges ....................... 22.24 15.08 10.24 5.52 6.71 ========== ========== ========== ========== ========== Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends ....................................... 21.25 14.38 9.76 5.05 5.77 ========== ========== ========== ========== ========== - ---------- (1) The Company did not receive a tax benefit for $5 million of transaction costs written off to interest expense when the Company retired its preferred interests of subsidiaries in September 2003. Given the non-deductibility of the charge, $9 million of pre-tax income was required to cover the $5 million write-off. Accordingly, interest expense has been grossed up by $4 million. (2) Represents the portion of rental expense assumed to be attributable to interest factors of related rental obligations determined at interest rates appropriate for the period during which the rental obligations were incurred. Approximately 32 to 34 percent of rental payments applies for all periods presented. (3) The Company did not receive a tax benefit for a portion of its preferred interests of consolidated subsidiaries. This amount represents the pre-tax earnings that would be required to cover preferred interests requirements of consolidated subsidiaries. In September 2003, the Company retired its preferred interests of subsidiaries. (4) The Company does not receive a tax benefit for its preferred stock dividends. This amount represents the pre-tax earnings that would be required to cover its preferred stock dividends.