X0303 4 2010-08-04 0 0000100885 UNION PACIFIC CORP UNP 0001200019 YOUNG JAMES R 1400 DOUGLAS STREET OMAHA NE 68179 1 1 0 0 CHAIRMAN PRESIDENT & CEO Common Stock 2010-08-04 5 G 0 5853 0 D 112681 I by Trust Common Stock 354885 D Common Stock 209258.2211 I (1) Common Stock 50500 I By Family LLC Common Stock 253.8808 I by Managed Account Common Stock 7329 I by Son Common Stock 28348 I by Trust (Spouse) The reporting person made a gift of shares to a donor-advised charitable fund. Represents conversion of restricted stock units to fully vested stock units with a distribution ratio of 1:1 - Payable only in shares of common stock at termination of employment or a date certain. Includes holdings in employee benefit plans, Tax Reduction and Payroll Based Stock Plans, as of Transaction Date. The reporting person disclaims beneficial ownership of these securities. By: Trevor L. Kingston, Attorney-in-Fact For: James R. Young 2010-08-20