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Union Pacific's Refrigerated Boxcar Fleet Delivers 'Greener' Produce for Customers

Approximately $18 Million Investment Ensures California Air Resources Board Compliance

Environmentally Friendly Refrigerated Boxcar

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Omaha, Neb., June 09, 2009 – Union Pacific Railroad's refrigerated boxcar fleet always has been known for its ability to deliver fresh produce. The railroad now is delivering "greener" produce, too.

Union Pacific's entire fleet of 4,950 refrigerated rail cars is more environmentally friendly than ever and is compliant with the California Air Resources Board (CARB) standards that take effect July 17.  In addition, the company has invested approximately $18 million in its refrigerated boxcars the past two years so customers can be assured these cars will continue to meet CARB compliance standards. That investment includes installing new Tier IVi diesel refrigeration units on more than 700 boxcars in the first half of 2009. These new Tier IVi diesel refrigeration units will reduce diesel particulate emissions by 50 percent over the previous refrigeration units. 

"Our refrigerated-car customers, which include food companies in the meat, poultry, dairy and frozen food categories in addition to produce, know they can rely on Union Pacific to deliver their products in a safe, reliable and environmentally friendly manner," said Lori Loschen, senior business director - Agricultural Products. "A train of 100 of our 64-foot refrigerated boxcars takes the equivalent of 350 to 400 trucks off America's congested highways, which also reduces emissions because rail is almost four times more fuel efficient than trucks."

Union Pacific's refrigerated boxcars use the latest technology, such as global positioning satellite monitoring, to track the rail cars' trip progress and to monitor temperature, fresh-air exchange and diagnostics.

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 Tom Lange at (402) 544-3560 or tomlange@up.com.

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.