Press Release

Unisys Chosen by Sprint for Next-Generation Voice Messaging

Blue Bell, PA: August 2, 2007. Unisys Corporation (NYSE: UIS) today announced that it has signed a five-year, multi-million dollar contract with Sprint to help the communications leader enhance its voicemail infrastructure. Unisys will develop a next-generation communications architecture that will allow Sprint the flexibility to more rapidly deploy new and innovative services for its customers.

Unisys, a leading provider of communications messaging solutions, will provide high-level consulting and systems integration services and a communications platform, which will deliver enhanced services over a unified messaging platform to Sprint's more than 53 million customers. Unisys currently provides the communications messaging platform for a subset of the Sprint wireless network.

Unisys will be providing Sprint with a flexible, modular services architecture that will enable Sprint to provide its customers with enhanced voicemail, multimedia, entertainment, and other enhanced services on a single platform. This open, modular approach allows communications providers like Sprint to decrease the time needed to bring new services to market and enables easy integration with best-in-class applications.

"Sprint is committed to being the leader in a converging telecommunications marketplace," said Iyad Tarazi, vice president of network development, Sprint. "As part of our continued investment in enhancing our customers' experience, we chose to modernize our service environment to build a more seamless, unified set of services. Unisys offers us the next generation of technology to support our strategy."

Unisys chose Data Connection Limited (DCL) as one of its key partners for next generation voice messaging. DCL will be providing the voice messaging software for the communications messaging platform. Unisys is a worldwide leader in voice messaging and enhanced communications services with customers in over 40 countries and more than 150 million voicemail users.

"Unisys has a long track record of helping our communications clients build exciting new services that drive revenue and take advantage of the latest advanced technologies," said Glenn James, president, Global Communications, Unisys. "We believe that the Sprint commitment to best-in-class user experiences, together with the Unisys next-generation technology, will truly benefit Sprint customers."

Unisys in the Communications Industry

Unisys provides a range of communications solutions through its Communications Ensemble portfolio of advanced messaging and value-added services. Unisys offers in-depth systems integration and consulting expertise in the enhanced service platform arena.

About Data Connection (DCL)

Data Connection Limited (DCL) is the leading independent developer and supplier of messaging and enhanced voice services solutions. Its software solutions are widely deployed among tier one service providers across North America and Europe, while its MetaSwitch division supplies industry-leading IP Multimedia Subsystems (IMS) switching solutions with over 400 deployments in North America. For more information, please see www.dataconnection.com.

About Unisys

Unisys is a worldwide technology services and solutions company. Our consultants apply Unisys expertise in consulting, systems integration, outsourcing, infrastructure, and server technology to help our clients achieve secure business operations. We build more secure organizations by creating visibility into clients' business operations. Leveraging the Unisys 3D Visible Enterprise approach, we make visible the impact of their decisions - ahead of investments, opportunities, and risks. For more information, visit www.unisys.com.

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. In particular, the statement in this release regarding the value of the contract is based on the assumption that Sprint will issue purchase orders to fund the entire voice messaging project. Because Sprint may elect not to complete the project, and may terminate the contract before the end of its term, the value of the contract is not guaranteed. Additional discussion of factors that could affect Unisys future results is contained in periodic filings with the Securities and Exchange Commission.

Data Connection and MetaSwitch are trademarks of Data Connection Limited and Data Connection Corporation. All other trademarks and registered trademarks are the property of their respective owners.