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Grade Crossing Signal Improvements Allow Union Pacific Railroad to Increase Train Speed, Reduce Motorist Wait Time in Rosenberg, Texas

Spring, Texas, February 19, 2010 – Drivers will spend less time waiting for trains to pass as Union Pacific Railroad increases the speed of its trains on the rail line that parallels Loop 529 in Rosenberg, Texas. The train speed limit will increase from 10 miles per hour to 40 mph on nearly three miles of track that crosses Junker and Scott Roads.

The train speed increase began February 15 and will continue in five mile-per-hour increments each subsequent week. Trains will begin traveling at 40 mph by March 29. Recently completed track improvements will permit the higher speeds in Rosenberg. Crews installed new rail and approximately 4,000 ties in the spring of last year.

Union Pacific plans to spend approximately $2.5 billion in 2010 to support America's current and future freight transportation needs and enhance the safety and efficiency of the railroad's 32,000-mile network. Improved and additional rail capacity benefits everyone. It allows freight rail service to grow, helping to build a cleaner environment. According to the U.S. Environmental Protection Agency, freight trains are nearly four times more fuel efficient than trucks. Motorists also benefit from reduced congestion on highways as a single Union Pacific train can remove up to 300 trucks off our roads.

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.