1 EXHIBIT 12.1 USX CORPORATION COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS TOTAL ENTERPRISE BASIS--UNAUDITED (DOLLARS IN MILLIONS) YEAR ENDED DECEMBER 31 ----------------------------------------------- 1995 1994 1993 1992 1991 ---- ---- ---- ---- ---- Portion of rentals representing interest . . . . . $ 78 $ 85 $ 84 $ 87 $ 91 Capitalized interest . . . . . . . . . . . . . . . 13 58 105 78 63 Other interest and fixed charges . . . . . . . . . 464 464 372 408 474 Pretax earnings which would be required to cover preferred stock dividend requirements of parent . . . . . . . . . . . . . . . . . . . 46 49 44 14 15 ---- ------ ---- ---- ---- Combined fixed charges and preferred stock dividends (A) . . . . . . . . . . . . . . . . . $601 $ 656 $605 $587 $643 ==== ====== ==== ==== ==== Earnings-pretax income (loss) with applicable adjustments (B) . . . . . . . . . . $902 $1,263 $280 $376 $(53) ==== ====== ==== ==== ==== Ratio of (B) to (A) . . . . . . . . . . . . . . . . 1.50 1.92 (a) (a) (a) ==== ====== ==== ==== ==== <FN> - - ----------------- (a) Earnings did not cover fixed charges and preferred stock dividends by $325 million for 1993, by $211 million for 1992 and by $696 million for 1991.