Union Pacific Corporation Announces Offers to Exchange Certain of Its Outstanding Debt Securities

OMAHA, Neb. — Union Pacific Corp. announced the commencement of private offers to exchange its outstanding notes and debentures.

The Exchange Offers are being conducted upon the terms and subject to the conditions set forth in an offering memorandum dated May 23, 2011, and the related letter of transmittal.

The Exchange Offers are only made, and copies of the offering documents will only be made available, to a holder of the Existing Notes that has certified its status as a “qualified institutional buyer” as defined in Rule 144A under the Securities Act of 1933 or a person who is not a “U.S. person” as defined under Regulation S under the Securities Act.