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Exhibit 12.4

 

UNITED STATES STEEL CORPORATION

COMPUTATION OF PRO FORMA RATIO OF EARNINGS TO FIXED CHARGES

(Unaudited)

 

     Six Months
Ended June 30,


   

Year

Ended

Dec. 31,


 
(Dollars in Millions)    2004     2003     2003  

Total fixed charges as reported

   $ 122     $ 102     $ 210  

Pro forma adjustment for debt refinancing

     (9 )     (11 )     (25 )
    


 


 


Pro forma total fixed charges (A)

   $ 113     $ 91     $ 185  
    


 


 


Earnings-pretax income (loss) with applicable adjustments as
reported

   $ 519     $ 42     $ (604 )

Pro forma adjustment for debt refinancing

     9       11       25  
    


 


 


Pro forma earnings-pretax income (loss) with applicable
adjustments (B)

   $ 528     $ 53     $ (579 )
    


 


 


Ratio of (B) to (A)

     4.67       (a )     (b )

(a) Pro forma earnings did not cover pro forma fixed charges by $38 million.
(b) Pro forma earnings did not cover pro forma fixed charges by $764 million.