SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): October 23, 2003 Union Pacific Corporation -------------------------------------------------------------------------------- (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) Utah 1-6075 13-2626465 -------------------------------------------------------------------------------- (STATE OR OTHER (COMMISSION (I.R.S. EMPLOYER JURISDICTION OF FILE NUMBER) IDENTIFICATION NO.) INCORPORATION) 1416 Dodge Street, Omaha, Nebraska 68179 -------------------------------------------------------------------------------- (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE) REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (402) 271-5777 N/A -------------------------------------------------------------------------------- (FORMER NAME OR FORMER ADDRESS, IF CHANGED SINCE LAST REPORT) ITEM 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION On October 23, 2003, Union Pacific Corporation issued a press release announcing Union Pacific Corporation's financial results for the third quarter of 2003. A copy of the press release is being furnished as Exhibit 99 and is incorporated herein by reference. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized. Dated: October 23, 2003 UNION PACIFIC CORPORATION By: /s/ James R. Young ---------------------------------- James R. Young Executive Vice President - Finance EXHIBIT INDEX Exhibit Description ------- ----------- 99 Press Release dated October 23, 2003 announcing Union Pacific Corporation's financial results for the third quarter of 2003.