FRA Certification Helpline: (216) 694-0240

(Union Pacific issued the following on December 23, 2009.)

OMAHA, Neb. — In conjunction with Union Pacific Corporation’s (NYSE:UNP) Fourth Quarter 2009 Earnings Release, you are invited to listen to its presentation that will be broadcast live over the Internet or via teleconference on Thursday, January 21, 2010 at 8:45 a.m. Eastern Time.

What: Union Pacific Corporation’s Fourth Quarter 2009 Earnings Release

When: Thursday, January 21, 2010 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

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 will also be available at the same location.

About Union Pacific

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. Union Pacific serves many of the fastest-growing U.S. population centers and provides Americans with a fuel-efficient, environmentally responsible and safe mode of freight transportation. Union Pacific’s diversified business mix includes Agricultural Products, Automotive, Chemicals, Energy, Industrial Products and Intermodal. The railroad emphasizes excellent customer service and offers competitive 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.