EXHIBIT 12.1 APACHE CORPORATION STATEMENT OF COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES AND COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS (IN THOUSANDS) NINE MONTHS ENDED SEPTEMBER 30, ---------------------- 2005 2004 2004 2003 2002 2001 2000 ---------- ---------- ---------- ---------- ---------- ---------- ---------- EARNINGS Pretax income from continuing operations before preferred interests of subsidiaries .......................... $2,993,054 $1,836,090 $2,663,083 $1,930,925 $ 915,194 $1,206,863 $1,203,681 Add: Fixed charges excluding capitalized interest and preferred interest requirements of consolidated subsidiaries .......................... 106,035 96,510 134,797 132,820 128,730 134,484 116,190 ---------- ---------- ---------- ---------- ---------- ---------- ---------- Adjusted Earnings ........................ $3,099,089 1,932,600 $2,797,880 $2,063,745 $1,043,924 $1,341,347 $1,319,871 ========== ========== ========== ========== ========== ========== ========== FIXED CHARGES AND PREFERRED STOCK DIVIDENDS Interest expense including capitalized interest (1) .......................... $ 133,590 $ 122,495 $ 168,090 $ 173,045 $ 155,667 $ 178,915 $ 168,121 Amortization of debt expense ............. 3,226 1,814 2,471 2,163 1,859 2,460 2,726 Interest component of lease rental expenditures (2) ...................... 11,872 11,152 14,984 14,458 11,895 9,858 7,343 Preferred interest requirements of consolidated subsidiaries (3) ......... -- -- -- 11,805 19,581 8,608 -- ---------- ---------- ---------- ---------- ---------- ---------- ---------- Fixed charges ............................ 148,688 135,461 185,545 201,471 189,002 199,841 178,190 Preferred stock dividend requirements (4) ................................... 6,946 6,741 9,058 9,968 17,540 32,495 33,386 ---------- ---------- ---------- ---------- ---------- ---------- ---------- Combined Fixed Charges and Preferred Stock Dividends ....................... $ 155,634 $ 142,202 $ 194,603 $ 211,439 $ 206,542 $ 232,336 $ 211,576 ========== ========== ========== ========== ========== ========== ========== Ratio of Earnings to Fixed Charges .......... 20.84 14.27 15.08 10.24 5.52 6.71 7.41 ========== ========== ========== ========== ========== ========== ========== Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends ............ 19.91 13.59 14.38 9.76 5.05 5.77 6.24 ========== ========== ========== ========== ========== ========== ========== - ---------- (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 for the 2003 period was 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 applies to rental payments 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.