Omaha, Neb., December 14, 2011 – Union Pacific Railroad today announced that mobile versions of the company's Secured Equipment Trace and Equipment Release applications are available. The applications provide customers the flexibility to access information from smartphones and are available from any mobile web browser at m.uprr.com. A valid Union Pacific user ID and password are required.

 Union Pacific will release future mobile apps that provide fast and easy-to-use tools for meet customers' freight transportation needs.

 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.