1 EXHIBIT 99.1 APACHE CORPORATION STATEMENT OF COMPUTATION OF RATIOS OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS (IN THOUSANDS) NINE MONTHS ENDED SEPTEMBER 30, --------------------- 1998 1997 1997 1996 -------- -------- -------- -------- EARNINGS Pretax income from continuing operations(1) $ 53,943 $183,227 $258,640 $200,195 Add:Fixed charges excluding capitalized interest 60,430 54,801 78,531 68,091 -------- -------- -------- -------- Adjusted Earnings $114,373 $238,028 $337,171 $268,286 ======== ======== ======== ======== FIXED CHARGES Interest expense including capitalized interest(2) $ 90,498 $ 75,014 $105,148 $ 89,829 Amortization of debt expense 3,415 4,497 6,438 5,118 Interest component of lease rental expenditures(3) 2,788 2,191 3,438 3,856 Preferred stock requirements(4) 1,057 -- -- -- -------- -------- -------- -------- $ 97,758 $ 81,702 $115,024 $ 98,803 ======== ======== ======== ======== Ratio of earnings to combined fixed charges and preferred stock dividends 1.17 2.91 2.93 2.72 ======== ======== ======== ======== 1995 1994 1993 -------- -------- -------- EARNINGS Pretax income from continuing operations(1) $ 33,143 $ 66,234 $ 62,067 Add:Fixed charges excluding capitalized interest 77,220 39,008 34,355 -------- -------- -------- Adjusted Earnings $110,363 $105,242 $ 96,422 ======== ======== ======== FIXED CHARGES Interest expense including capitalized interest(2) $ 88,057 $ 37,838 $ 34,205 Amortization of debt expense 4,665 3,987 3,896 Interest component of lease rental expenditures(3) 3,539 3,217 2,533 Preferred stock requirements (4) -- -- -- -------- -------- -------- $ 96,261 $ 45,042 $ 40,634 ======== ======== ======== Ratio of earnings to combined fixed charges and preferred stock dividends 1.15 2.34 2.37 ======== ======== ======== - ------------------ (1) Undistributed income of less-than-50%-owned affiliates is excluded. (2) Apache guaranteed and was contingently liable for certain debt. This debt, primarily associated with partnership operations, totaled $1.7 million at December 31, 1996. The outstanding balance was repaid in January 1997 and the facility was terminated. Fixed charges, relating to the debt for which Apache was contingently liable, have not been included in the fixed charges for any of the periods shown above. (3) 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% applies for all periods presented. (4) Represents the amount of pre-tax earnings that would be required to cover preferred stock dividends of $0.6 million for the nine months ended September 30, 1998.