3-Month Ratio of Earnings to Fixed Charges

Exhibit 12(a)

Ratio of Earnings to Fixed Charges

Union Pacific Corporation and Subsidiary Companies

(Unaudited)

 

      Three Months Ended
September 30,
 
Millions of Dollars, Except for Ratios    2008     2007  

Fixed charges:

    

Interest expense, including amortization of debt discount

   $   130     $   124  

Portion of rentals representing an interest factor

   54     55  

Total fixed charges

   $   184     $   179  

Earnings available for fixed charges:

    

Net income

   $   703     $   532  

Equity earnings net of distribution

   (14 )   (18 )

Income taxes

   405     374  

Fixed charges

   184     179  

Earnings available for fixed charges

   $1,278     $1,067  

Ratio of earnings to fixed charges

   6.9     6.0