Unisys Completes Acquisition of ePresence Security Services Business Expands Expertise and Solutions for Identity and Access Management

Business Wire, June 3, 2004

Business Editors/High-Tech Writers

BLUE BELL, Pa.--(BUSINESS WIRE)--June 3, 2004

Unisys Corporation (NYSE:UIS) today announced that it has completed the acquisition of the assets of ePresence's (NASDAQ:EPRE) security services and identity and access management solutions business. Unisys adds approximately 90 highly skilled staff and a suite of next-generation identity and access management solutions to extend and enhance an already broad portfolio of Unisys security services. In addition, ePresence customers will now have access to the full range of Unisys solutions.

The management of user identities and access to organizational resources is one of the top security challenges facing enterprises and governments today. It is a critical requirement for Web-based e-business and e-government initiatives. Identity and access management involves controlling the process that enables people or systems to have secure, consistent access to business resources, including networks, business applications and organizational information through the use of digital identities, such as passwords, smart cards, digital certificates and biometric identifiers.

About Unisys

Unisys is a worldwide information technology services and solutions company. Our people combine expertise in consulting, systems integration, outsourcing, infrastructure and server technology with precision thinking and relentless execution to help clients, in more than 100 countries, quickly and efficiently achieve competitive advantage. For more information, visit www.unisys.com.

RELEASE NO.: 0603/8416

http://www.unisys.com/about__unisys/news_a_events/06038416.htm

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