UNION PACIFIC CORPORATION AND SUBSIDIARY COMPANIES COMPUTATION OF EARNINGS PER SHARE (In Thousands, Except Per Share Amounts) (Unaudited) Three Months Ended March 31, 1998 1997 Average number of shares outstanding .......... 245,949 245,489 Average shares issuable on exercise of stock options less shares repurchasable from proceeds..................................... 1,750 2,322 -------- -------- Total average number of common and common equivalent shares............................ 247,699 247,811 ======== ======== Net Income (Loss).............................. ($61,989) $127,811 ======== ======== Earnings per share: Basic: Net Income (Loss)............................. $ (0.25) $ 0.52 Diluted: Net Income (Loss)............................. $ (0.25) $ 0.52