EXHIBIT 12


              UNION PACIFIC CORPORATION AND SUBSIDIARY COMPANIES

               COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
               -------------------------------------------------

                                  (Unaudited)


- --------------------------------------------------------------------------------
                                                    Three Months Ended March 31,
                                                    ----------------------------
Millions, Except Ratios                                     2000     1999
- --------------------------------------------------------------------------------
                                                               
Earnings:
  Net Income............................................... $185     $129
  Undistributed equity earnings............................  (12)     (10)
- --------------------------------------------------------------------------------
  Total....................................................  173      119
- --------------------------------------------------------------------------------
Income taxes...............................................  105       72
- --------------------------------------------------------------------------------
Fixed charges:
  Interest expense including amortization of debt discount.  182      186
  Portion of rentals representing an interest factor.......   45       45
- --------------------------------------------------------------------------------
  Total....................................................  227      231
- --------------------------------------------------------------------------------
Earnings available for fixed charges.......................  505      422
- --------------------------------------------------------------------------------
Total fixed charges -- as above............................  227      231
- --------------------------------------------------------------------------------
Ratio of earnings to fixed charges (Note 8)................  2.2      1.8
- --------------------------------------------------------------------------------