Cautionary Information

Presentation

2004 Fact Book

The 2004 Analyst Fact Book provides additional explanatory information regarding Union Pacific that may not be available in the Company’s Annual Report. Some of this information is derived from the Company’s audited financial statements, but should not be considered audited. The information provided is supplemental in nature, and should not be construed as better than that available in the Company’s publicly available reports filed with the SEC.

This report may contain statements about future expectations or results of the Corporation that are not statements of historical fact. These statements are, or will be, forwardlooking statements as defined by the federal securities laws and include, without limitation, expectations as to increased returns, revenue growth, cost savings and earnings and similar projections; estimates or forecasts relating to the Corporation’s business, operations or performance; expectations as to continued or increasing demand for rail transportation in excess of supply; expectations regarding operational improvements, including the network management initiatives that have been or will be implemented to improve system velocity, customer service and shareholder returns; expectations regarding fuel price; and the time by which certain objectives will be achieved. 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. Forwardlooking information is subject to risks and uncertainties that could cause actual performance or results to differ materially from those expressed in the statements. More detailed information regarding forward-looking information and such risks and uncertainties is contained in the filings made by the Corporation with the Securities and Exchange Commission, which are available on the Corporation’s Web site. The Corporation assumes no duty to update any statements or information provided in this report.