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

Omaha, Neb., December 22, 2011 – In conjunction with Union Pacific Corporation's (NYSE: UNP) Fourth Quarter 2011 Earnings Release, you are invited to listen to its presentation that will be broadcast live over the Internet or via teleconference on Thursday, January 19, 2012, at 8:45 a.m. Eastern Time.

What:      Union Pacific Corporation's Fourth Quarter 2011 Earnings Release

When:     Thursday, January 19, 2012, at 8:45 a.m. ET

Where:    Union Pacific's website at www.up.com/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 website at www.up.com/investors.  An MP3 downloadable audio file will also be available at the same location.

About Union Pacific

One of America's iconic companies, Union Pacific celebrates its 150th anniversary in 2012. Abraham Lincoln signed the Pacific Railway Act of July 1, 1862, creating the original Union Pacific. Today, Union Pacific Railroad is the principal operating company of Union Pacific Corporation (NYSE: UNP), linking 23 states in the western two-thirds of the country by rail and providing freight solutions and logistics expertise to the global supply chain. From 2000 through 2011, Union Pacific spent more than $31 billion on its network and operations, making needed investments in America's infrastructure and enhancing its ability to provide safe, reliable, fuel-efficient and environmentally responsible freight transportation. Union Pacific's diversified business mix includes Agricultural Products, Automotive, Chemicals, Energy, Industrial Products and Intermodal. The railroad serves many of the fastest-growing U.S. population centers and emphasizes excellent customer service. Union Pacific operates competitive routes from all major West Coast and Gulf Coast ports to eastern gateways, connects with Canada's rail systems and is the only railroad serving all six major Mexico gateways.

For further information, contact Michelle Gerhardt, (402) 544-4227.

The statements and information contained in the news releases provided by Union Pacific speak only as of the date issued. Such information by its nature may become outdated, and investors should not assume that the statements and information contained in Union Pacific's news releases remain current after the date issued. Union Pacific makes no commitment, and disclaims any duty, to update any of this information.