Issue of Debt

Unisys Corp 17 December 2001 Media Contact: Jay Grossman, Unisys, 215-986-6948 jay.grossman@unisys.com Investor Contact: Jim Kerr, Unisys, 215-986-5795 jim.kerr@unisys.com Unisys Offers $150 Million of 7 1/4% Senior Notes BLUE BELL, PA, December 17, 2001 -- Unisys Corporation (NYSE: UIS) said today that it has offered $150 million of 7 1/4% senior notes due 2005. The notes were offered to the public at 97.981% to yield 8.0%. The company plans to use the proceeds for general corporate purposes. Salomon Smith Barney, Inc., and Banc of America Securities LLC are joint lead managers of the offering. This press release does not constitute an offer to sell or a solicitation of an offer to buy the notes, nor shall there be any sale of the notes in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. This offering may be made only by the means of a prospectus and the related prospectus supplement, copies of which may be obtained from Salomon Smith Barney, Inc., 388 Greenwich Street, New York, NY 10013, Attention: Prospectus Department. About Unisys Unisys is an e-business solutions company whose employees help customers in 100 countries apply information technology to seize opportunities and overcome challenges of the Internet economy. Unisys people integrate and deliver the solutions, services, platforms and network infrastructure required by business and government to transform their organizations for success in this new era. The company offers a rich portfolio of Unisys e-@ction Solutions for e-business based on its expertise in vertical industry solutions, network services, outsourcing, systems integration and multivendor support, coupled with enterprise-class server and related technologies. The primary vertical markets Unisys serves worldwide include financial services, transportation, communications, publishing and commercial sectors, as well as the public sector including federal government customers. Unisys is headquartered in Blue Bell, Pennsylvania, in the Greater Philadelphia area. For more information on the company, access the Unisys home page on the World Wide Web at www.unisys.com. Investor information can be found at www.unisys.com/investor. Forward-Looking Statements Any statements contained in this release that are not historical facts are forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. All forward-looking statements rely on assumptions and are subject to various risks and uncertainties that could cause actual results to differ materially from expectations. The factors that could affect the company's future financial results are discussed more fully in the company's latest Form 10-Q as filed with the Securities and Exchange Commission. RELEASE NO.: 1201/8089 http://www.unisys.com/news/releases/2001/dec/12178089.asp Unisys and e-@ction are registered trademarks of Unisys Corporation. All other brands and products referenced herein are acknowledged to be trademarks or registered trademarks of their respective holders.

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