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Union Pacific Invests More Than $8 Million for Track Improvements to Its Mill Grove-To-Polo, Mo., Line

Trains to Operate More Efficiently, Resulting in Less Motorist Waiting at Crossings

Omaha, Neb., July 24, 2009 – Motorists will spend less time at crossings waiting for trains to pass with trains operating more efficiently as a result of more than $8 million in track improvements made by Union Pacific Railroad to its Mill Grove-to-Polo, Mo., line.

When the project is complete, crews will have removed and installed more than 62,500 ties, spread nearly 20,000 tons of rock ballast to ensure a stable roadbed and renewed the road surfaces at 71 crossings.  Work will begin on the project today and is scheduled to be completed by the first of September.

Union Pacific invested more than $101 million for capital projects in Missouri in 2008.

During 2009, Union Pacific plans to invest $1.7 billion in strengthening the track infrastructure across its more than 32,000-mile system.  This extensive investment in the railroad's track helps ensure Union Pacific has the capability to offer quality, safe and cost-effective service to meet its customers' current and future transportation needs.

Improved and additional rail capacity benefits everyone. It allows freight rail service to grow, helping to build a cleaner environment - freight trains are four times more fuel efficient 
than trucks. Motorists also benefit from reduced congestion on America's highways since a single 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 Mark Davis at (402) 544-5459 or mwdavis@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.