1 EXHIBIT 12. USX CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES TOTAL ENTERPRISE BASIS--UNAUDITED (DOLLARS IN MILLIONS) Year Ended December 31 ------------------------------------------------------- 1993 1992 1991 1990 1989 ------ ------ ------ ------ ------ Portion of rentals representing interest . . . . . . . . . . . . $ 84 $ 87 $ 91 $ 88 $ 79 Capitalized interest . . . . . . . . . . . . . . . . . . . . . . 105 78 63 50 42 Other interest and fixed charges . . . . . . . . . . . . . . . . 372 408 474 554 761 ------ ------- ----- ------ ------- Total fixed charges (A) . . . . . . . . . . . . . . . . . . . . . $ 561 $ 573 $ 628 $ 692 $ 882 ====== ======= ===== ====== ======= Earnings-pretax income (loss) with applicable adjustments(B) . . . . . . . . . . . . . . . . . $ 280 $ 376 $ (53) $1,935 $ 2,271 ====== ======= ===== ====== ======= Ratio of (B) to (A) . . . . . . . . . . . . . . . . . . . . . . . (a) (a) (a) 2.80 2.57 ====== ======= ===== ====== ======= - - ---------------- (a) Earnings did not cover fixed charges by $281 million for 1993, by $197 million for 1992 and by $681 million for 1991. COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS TOTAL ENTERPRISE BASIS--UNAUDITED (DOLLARS IN MILLIONS) Year Ended December 31 ------------------------------------------------------- 1993 1992 1991 1990 1989 ------ ------ ------ ------ ------ Portion of rentals representing interest . . . . . . . . . . . . $ 84 $ 87 $ 91 $ 88 $ 79 Capitalized interest . . . . . . . . . . . . . . . . . . . . . . 105 78 63 50 42 Other interest and fixed charges . . . . . . . . . . . . . . . . 372 408 474 554 761 Pretax earnings which would be required to cover preferred stock dividend requirements or parent . . . . . . . . . . . . . . . . . . . . . . . . . 44 14 15 28 93 ------ ------- ----- ------ ------- Combined fixed charges and preferred stock dividends(A) . . . . . . . . . . . . . . . . . . . . . . . $ 605 $ 587 $ 643 $ 720 $ 975 ====== ======= ===== ====== ======= Earnings=pretax income (loss) with applicable adjustments(B) . . . . . . . . . . . . . . . . . $ 280 $ 376 $ (53) $1,935 $ 2,271 ====== ======= ===== ====== ======= Ratio of (B) to (A) . . . . . . . . . . . . . . . . . . . . . . . (a) (a) (a) 2.69 2.33 ====== ======= ===== ====== ======= - - ---------------- (a) Earnings did not cover combined fixed charges and preferred stock dividends by $325 million for 1993, by $211 million for 1992 and by $696 million for 1991.