Exhibit 12.2 USX CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES TOTAL ENTERPRISE BASIS - (Unaudited) ------------------------------------------------- (Dollars in Millions) Six Months Ended Year Ended December 31 June 30 -------------------------------- 1999 1998 1998 1997 1996 1995 1994 ---- ---- ---- ----- ---- ---- ---- Portion of rentals representing interest $49 $50 $105 $82 $78 $76 $83 Capitalized interest 20 23 46 31 11 13 58 Other interest and fixed charges 168 150 328 312 382 452 456 ---- ---- ---- ---- ---- ----- ---- Total fixed charges (A) $237 $223 $479 $425 $471 $541 $597 ==== ==== ==== ==== ==== ==== ==== Earnings-pretax income with applicable adjustments (B) $949 $1265 $1662 $1745 $1837 $877 $1300 ==== ==== ==== ==== ==== ==== ==== Ratio of (B) to (A) 4.00 5.67 3.47 4.11 3.90 1.62 2.18 ==== ==== ==== ==== ==== ==== ====