Exhibit 12(b) UNION PACIFIC CORPORATION AND SUBSIDIARY COMPANIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (Unaudited) - ------------------------------------------------------------------------------- Six Months Ended June 30, Millions of Dollars Except Ratios 1999 1998 Earnings Income (Loss) from Continuing Operations ........ $323 $(216) Undistributed equity earnings.................... (19) (19) - ------------------------------------------------------------------------------- Total............................................ 304 (235) - ------------------------------------------------------------------------------- Income Taxes.......................................... 159 (151) - ------------------------------------------------------------------------------- Fixed Charges: Interest expense including amortization of debt discount............................... 370 338 Portion of rentals representing an interest factor............................. 92 91 - ------------------------------------------------------------------------------- Total............................................ 462 429 - ------------------------------------------------------------------------------- Earnings Available for Fixed Charges.................. 925 43 - ------------------------------------------------------------------------------- Total Fixed Charges -- as above....................... $462 $ 429 - ------------------------------------------------------------------------------- Ratio of earnings to fixed charges (Note 9)........... 2.0 0.1 - -------------------------------------------------------------------------------