JP Morgan Aviation & Transportation Conference

Webcast Presentation

March 11, 2009

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Thank you for accessing Union Pacific Corporation's participation in the JP Morgan Aviation & Transportation Conference, held at 11:15 a.m. ET on Wednesday, March 11, 2009.

This press release and related materials contain statements about the Corporation’s future that are not statements of historical fact, including specifically expectations regarding the Corporation’s outlook regarding economic conditions, future operating performance, ability to make, and plans for, strategic investments, and financial returns. These statements are, or will be, forward-looking statements as defined by the Securities Act of 1933 and the Securities Exchange Act of 1934. Forward-looking statements also generally include, without limitation, information or statements regarding: expectations as to continued or increasing demand for rail transportation services; expectations regarding operational improvements, including the effectiveness of network management initiatives that have been or will be implemented to improve operations, customer service, and shareholder returns; expectations as to increased returns, cost savings, revenue growth, and earnings; expectations regarding fuel price and our ability to mitigate fuel costs; the time by which certain objectives will be achieved, including expected improvements in operations and implementation of network management initiatives; estimates of costs relating to environmental remediation and restoration; proposed new products and services; expectations that claims, lawsuits, environmental costs, commitments, contingent liabilities, labor negotiations or agreements, or other matters will not have a material adverse effect on our consolidated financial position, results of operations, or liquidity; statements concerning projections, predictions, expectations, estimates or forecasts as to the Corporation’s and its subsidiaries’ business, financial, and operational results, and future economic performance; and statements of management’s beliefs, expectations, goals, and objectives and other similar expressions concerning matters that are not historical facts.

Forward-looking statements should not be read as a guarantee of future performance or results, and will not necessarily be accurate indications of the times that, or by which, such performance or results will be achieved. Forward-looking information, including expectations regarding operational and financial improvements and the Corporation’s future performance or results are subject to risks and uncertainties that could cause actual performance or results to differ materially from those expressed in the statement.

Important factors, including risk factors, could affect the Corporation’s and its subsidiaries’ future results and could cause those results or other outcomes to differ materially from those expressed or implied in the forward-looking statements. Information regarding risk factors and other cautionary information are available in the Corporation’s Annual Report on Form 10-K for 2008, which was filed with the SEC on February 6, 2009. The Corporation updates information regarding risk factors if circumstances require such updates in its periodic reports on Form 10-Q and its subsequent Annual Reports on Form 10-K (or such other reports that may be filed with the SEC).

Forward-looking statements speak only as of, and are based only upon information available on, the date the statements were made. The Corporation assumes no obligation to update forward-looking information to reflect actual results, changes in assumptions or changes in other factors affecting forward-looking information. If the Corporation does update one or more forward-looking statements, no inference should be drawn that the Corporation will make additional updates with respect thereto or with respect to other forward-looking statements. References to our Web site are provided for convenience and, therefore, information on or available through the Web site is not, and should not be deemed to be, incorporated by reference herein.