Exhibit 12.1

United States Steel Corporation

Computation of Ratio of Earnings to Combined Fixed Charges

and Preferred Stock Dividends

(Unaudited)

 

    Six Months Ended
June 30,
  Year Ended December 31,
(Dollars in Millions)       2009             2008       2008   2007   2006   2005   2004

Portion of rentals representing interest

  $ 12      $ 8   $ 33   $ 32   $ 44   $ 45   $ 51

Capitalized interest

    10        5     14     7     3     12     8

Other interest and fixed charges

    78        118     179     135     123     87     131

Pretax earnings which would be required to cover preferred stock dividend requirements

    -        -     -     -     10     25     23
                                           

Combined fixed charges and preferred stock dividends (A)

  $ 100      $ 131   $ 226   $ 174   $ 180   $ 169   $ 213
                                           

Earnings-pretax income with applicable adjustments (B)

  $ (884   $ 1,341   $ 3,203   $ 1,305   $ 1,884   $ 1,467   $ 1,687
                                           

Ratio of (B) to (A)

    (a )      10.24     14.17     7.50     10.47     8.68     7.92

 

(a)

Earnings did not cover fixed charges by $984 million.