Michael Rock Named Vice President External Relations

Omaha, Neb., October 01, 2007 – Union Pacific today announced that Michael Rock has been named vice president of External Relations effective Oct. 1. In his new position, Rock is responsible for Union Pacific’s government affairs operation in Washington, D.C. Rock replaces Mary McAuliffe, who has announced her plans to retire early next year.

A 16-year veteran of Union Pacific’s Washington office, Rock first joined UP as director of Washington Affairs for Transportation. In 1998 he was named assistant vice president of External Relations.

Before joining Union Pacific, Rock held a number of government positions including deputy director of Congressional Affairs under U.S. Department of Transportation Secretary Sam Skinner, minority professional staff on the Surface Transportation Subcommittee of the U.S. House Public Works and Transportation Committee and legislative director for Congressman Bud Shuster.

Rock holds a Bachelor of Arts from Dickinson College.

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 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.

For further information, contact James Barnes at (402) 544-3560.

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