Union Pacific Corporation Invites You to Join Its First Quarter Earnings Release Broadcast

In conjunction with Union Pacific Corporation's (NYSE: UNP) First Quarter 2007 Earnings Release, you are invited to listen to its presentation that will be broadcast live over the Internet or via teleconference on Thursday, April 19, 2007 at 8:45 a.m. Eastern Time.

What: Union Pacific Corporation's First Quarter 2007 Earnings Release

When: Thursday, April 19, 2007 at 8:45 a.m. ET

Where: www.up.com (under Investors)

How: Live over the Internet - - Simply log on to the Web at the address above

OR

Dial-in telephone access Domestic 877/407-8293 International 201/689-8349

Contact: Jennifer Hamann, Assistant Vice President - Investor Relations at 402/544-4227

If you are unable to participate during the live teleconference, the call will be archived on Union Pacific's Web site at http://www.up.com. To access the replay, click on Investors. An MP3 downloadable audio file also will be available at the same location.

Union Pacific Corporation owns one of America's leading transportation companies. Its principal operating company, Union Pacific Railroad, links 23 states in the western two-thirds of the country and serves the fastest-growing U.S. population centers. Union Pacific’s diversified business mix includes Agricultural Products, Automotive, Chemicals, Energy, Industrial Products and Intermodal. The railroad offers competitive long-haul routes from all major West Coast and Gulf Coast ports to eastern gateways. Union Pacific connects with Canada’s rail systems and is the only railroad serving all six major gateways to Mexico, making it North America’s premier rail franchise.

(Minimum requirements to listen to broadcast: Windows Media Player software, which is downloadable free from http://www.microsoft.com/windows/windowsmedia/default.mspx, and at least a 28.8 Kbps connection to the Internet.)