1 EXHIBIT 12.1 CONOCO COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN MILLIONS) YEAR ENDED DECEMBER 31 ------------------------------------------------- 1998 1997 1996 1995 1994 ------------- ------ ------ ------ ------ Net income..................................... $ 450 $1,097 $ 863 $ 575 $ 422 Provision for income taxes..................... 244 1,010 1,038 774 551 Equity in earnings of investees................ (22) (40) 25 (22) (25) ------ ------ ------ ------ ------ Pre-tax income before adjustment for minority interests in consolidated subsidiaries or income or loss from equity investees...... 672 2,067 1,926 1,327 948 Fixed charges (see below)...................... 337 174 188 210 160 Amortization of capitalized interest........... 40 46 53 53 49 Distributed income of equity investees......... 105 58 85 42 75 Capitalized interest........................... (72) (94) (75) (95) (59) ------ ------ ------ ------ ------ Total adjusted earnings available for payment of fixed charges(a)(b).................... $1,082 $2,251 $2,177 $1,537 $1,173 ====== ====== ====== ====== ====== Ratio of earnings to fixed charges............. 3.2x 12.9x 11.6x 7.3x 7.3x Fixed charges: Interest and debt expense -- borrowings...... $ 199 $ 36 $ 74 $ 74 $ 63 Capitalized interest......................... 72 94 75 95 59 Rental expense representative of interest factor.................................... 66 44 39 41 38 ------ ------ ------ ------ ------ Total fixed charges.................. $ 337 $ 174 $ 188 $ 210 $ 160 ====== ====== ====== ====== ====== Ratio of earnings before special items to fixed charges: Total adjusted earnings available for payment of fixed charges(a)(b).................... $1,082 $2,251 $2,177 $1,537 $1,173 Special items (pre-tax)(c)................... 454 (91) (22) 71 113 ------ ------ ------ ------ ------ Earnings adjusted for special items.......... $1,536 $2,160 $2,155 $1,608 $1,286 ====== ====== ====== ====== ====== Fixed charges................................ $ 337 $ 174 $ 188 $ 210 $ 160 ====== ====== ====== ====== ====== Ratio of earnings before special items to fixed charges............................. 4.6x 12.4x 11.5x 7.7x 8.0x - --------------- (a) No pre-tax losses of equity investees for which charges arising from guarantees are included in fixed charges. (b) No fixed charges in subsidiaries with minority interests. (c) Special items are material nonrecurring items and generally consist of asset sales, property impairments, tax rate changes, employee separation costs, inventory write-downs, environmental insurance litigation recoveries, environmental litigation charges and, in 1998, stock option provision. See Item 7 of the Annual Report of Conoco Inc. on Form 10-K for the year ended December 31, 1998.