FRA Certification Helpline: (216) 694-0240

(Union Pacific issued the following news release on April 12.)

OMAHA, Neb. — In conjunction with Union Pacific Corporation’s (NYSE: UNP – News) First Quarter 2004 earnings release, you are invited to listen to its presentation that will be broadcast live over the Internet or via teleconference on Thursday, April 29, 2004 at 8:45 a.m. Eastern Time.

Investors may listen live over the Internet – – Simply log on to the Web at www.up.com or Dial-in telephone access
Domestic 888/560-1989
International 973/582-2824

Union Pacific Corporation is 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 the six key gateways to Mexico, Union Pacific has the premier rail franchise in North America.