Rich Castagna Named Superintendent-Transportation Services of Union Pacific Railroad's Newly Established Pocatello Service Unit

Omaha, Neb., May 2, 2005 – Union Pacific Railroad has named Rich Castagna superintendent-transportation services of its newly established Pocatello Service Unit.

Creation of the new service unit reflects the growing importance of Union Pacific’s busy northwestern corridor and balancing of operating business units.

As superintendent of transportation services, Castagna is responsible for the day-to-day and safe operation of an average 35 trains a day over more than 800 miles of track across southern Idaho, northern Utah and southwestern Wyoming. The Pocatello Service Unit will report to the Western Region vice president in Roseville, Calif.

Castagna, 45, started his railroad career with the Chicago & North Western in 1993 as a switchman in Chicago, Ill. He held several positions in the Operations Department in Chicago, Ill.; North Little Rock, Ark., and East St. Louis, Ill.

Union Pacific and Chicago & North Western merged in 1995. Prior to being named superintendent-transportation services of the Pocatello Service Unit, Castagna held the position of director-transportation services in Kansas City, Mo.

Castagna has a bachelor's of science degree in business administration from

Park University, which is in Parkville, Mo., a Kansas City suburb. He also pursued post-graduate studies in business administration at Southern Illinois University in Edwardsville.

Union Pacific Corporation owns one of America’s leading transportation companies. Its principal operating company, Union Pacific Railroad, is the largest railroad in North America, covering 23 states across the western two-thirds of the United States. A strong focus on quality and a strategically advantageous route structure enable the company to serve customers in critical and fast growing markets. It is a leading carrier of low-sulfur coal used in electrical power generation and has broad coverage of the large chemical-producing areas along the Gulf Coast. With competitive long-haul routes between all major West Coast ports and eastern gateways, and as the only railroad to serve all six major gateways to Mexico, Union Pacific has the premier rail franchise in North America.

For further information, contact Mark Davis (402) 544-5459.

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.