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Grade Crossing Signal Improvements Allow Union Pacific Railroad to Increase Train Speed, Reduce Motorist Wait Time In Malvern, Arkansas

Spring, Texas, February 04, 2010 – Drivers will spend less time waiting for trains to pass as Union Pacific increases the speed of its trains on the rail line that parallels State Highway 279 in Malvern, Arkansas. The train speed limit will increase from 35 miles per hour to 60 mph on nearly two miles of track that crosses Banks, Babcock and Cabe Streets.

Train speeds will increase in five mph increments each week beginning February 14. Trains will begin traveling at 60 mph by March 21. Recent signal improvements that increase advance warning times at grade crossing approaches will permit the higher speeds.

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. Union Pacific serves many of the fastest-growing U.S. population centers and provides Americans with a fuel-efficient, environmentally responsible and safe mode of freight transportation. Union Pacific's diversified business mix includes Agricultural Products, Automotive, Chemicals, Energy, Industrial Products and Intermodal. The railroad emphasizes excellent customer service and offers competitive 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 Raquel Espinoza at 281-350-7771 or respinoza@up.com.

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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 Such information by its nature may become outdated, and investors should not assume that the statements and information contained in Union Pacific's news releases remain current after the date issued.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.