OMAHA, Neb., Jun 26, 2008 (BUSINESS WIRE) -- In conjunction with Union Pacific Corporation's (NYSE: UNP) Second
Quarter 2008 Earnings Release, you are invited to listen to its
presentation that will be broadcast live over the Internet or via
teleconference on Thursday, July 24, 2008 at 8:45 a.m. Eastern Time.

What: Union Pacific Corporation's Second Quarter 2008 Earnings
Release

When: Thursday, July 24, 2008 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.

Additional information is available at Union Pacific's Web site:
www.up.com. The contact for investors is Jennifer Hamann at (402)
544-4227.

SOURCE: Union Pacific Corporation

Union Pacific Corporation
Jennifer Hamann, 402-544-4227
Assistant Vice President - Investor Relations

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