Organizations Worldwide Choose SilverStream eXtend in Q1 to Simplify and Accelerate Complex IT Projects.

Business/Technology Editors

BILLERICA, Mass.--(BUSINESS WIRE)--April 22, 2002

Series of Customer Wins During the Quarter

Further Demonstrates Momentum for SilverStream eXtend

SilverStream Software, Inc. (Nasdaq: SSSW) today announced a series of customer wins throughout the first quarter of 2002. A number of new and existing customers have chosen SilverStream eXtend(TM) for its ease-of-use and outstanding time-to-market profile. Using SilverStream eXtend, application developers can quickly deliver highly interactive solutions that integrate existing business systems and deliver information and services to key business constituents.

Several new and existing customers purchased the full SilverStream eXtend visual integrated services environment during the quarter. New customers include: GfK AG (DE), SFB (NL) and the State University of New York Buffalo (US). Existing SilverStream customers include: ABN AMRO (US), e-Arbed Distribution S.A. (LU), Genuine Parts Company (US), Kredietbank Luxembourg (LU), a US Department of Defense Agency (US), a US Government Intelligence Agency (US) and van Gansewinkle (BE).

Rainer Ostermeyer, CIO of GfK Group, a leading market research company in Germany, described the company's choice of SilverStream eXtend: "We thoughtfully decided to start now with the implementation of the Web-based knowledge platform 'GfK4u' for employees of the GfK Group, as part of our planned Enterprise Information Portal (EIP) and to expand it step by step. In SilverStream, we have chosen a partner who offers a standards-based platform and technology for our EIP that is safe for the future. This reduces the investment risk considerably. The rapid implementation of the first project stage proves that we have made a safe bet."

SilverStream eXtend is a highly productive and visual integrated services environment for the rapid creation and management of enterprise information systems. SilverStream eXtend features breakthrough technology for XML integration to legacy systems, business process management, interactive applications, personalization, content management, user management, wireless device support, and more. In addition, SilverStream eXtend leverages the reliability, security and scalability of leading J2EE application servers, including IBM WebSphere, BEA WebLogic and the SilverStream eXtend Application Server, to offer customers unparalleled choice and flexibility.

Many new customer organizations worldwide selected individual SilverStream eXtend products to solve complex IT challenges, including: Arbella Mutual Insurance (US), Arduous Industry Pty Ltd (CN), Beijing Times (CN), Clarica Life Insurance -- US (US), Gruppo Formula (IT), Information Technology Services Department (HK), ITO (NL), NASA (US), QingDao Social Security Bureau (CN) and Sundapost Co Ltd. (TW).

Further, several existing SilverStream customers have purchased new or additional SilverStream eXtend products in the first quarter including: Acer Inc. (TW), Apex-Pro Systems (HK), Aurora Corporation Logistics & Distribution Business (TW), Caspian Consulting Group (US), CGU Asia (SG/MY/HK), the Confederation of Norwegian Business (NO), the County of El Paso (US), Chubb Insurance Europe (UK), Dassault Systemes (FR), Entergy Koch (US), Express Scripts (US), EzTravel Co Ltd (TW), Fujitsu PC Corp (US), Grundig AG (DE), Lemans (US), MacDonald Dettwiler (US), Malayan Banking Berhad (SG), McLarens Toplis (UK), Minihouse (NL), Ministry of Education (SG), the Minnesota Department of Health (US), Shepway District Council (UK), the State of Ohio Department of Health (US), Singapore Telecommunications Ltd (SG), Suzuki GB (UK), Swiss Life (CH), Winterthur Czech (CZ), and Zimmer (US).

"We're experiencing a great deal of interest in SilverStream eXtend as more and more organizations seek a comprehensive and productive solution that leverages prior technology investments to quickly address challenging IT projects," said David Litwack, president and CEO of SilverStream Software. "One of the key benefits that SilverStream eXtend provides is the ability to quickly develop and deploy complex applications based on Web services, so that organizations can repurpose existing systems and maximize their potential. These customers are also making the most of their investment in J2EE by using SilverStream eXtend to simplify and accelerate development of advanced applications that are portable across J2EE application servers."

About SilverStream Software, Inc.

SilverStream Software, Inc. (Nasdaq: SSSW) provides the first comprehensive and visual integrated services environment to simplify and accelerate the development of sophisticated business applications. SilverStream's proven technology is based on the best of Java, XML, and Web services, and enables businesses to unlock the potential of existing systems and rapidly deliver business applications to the Web. SilverStream powers business operations for more than 1,500 customers worldwide including Amerisure Insurance, Home Depot, the Chicago Stock Exchange, Samsung Electronics, Sears and US Cellular. SilverStream's worldwide partner network includes system integrators, independent software vendors, application service providers and other strategic partners such as Cap Gemini Ernst & Young, Compaq, Deloitte & Touche, Hewlett Packard, IBM, Intel, Mercury Interactive, Microsoft, Oracle, SAP and Sun Microsystems.

SilverStream Software is headquartered in Billerica, Mass. with offices throughout the world. For more information, please visit http://www.silverstream.com.

SilverStream is a registered trademark and SilverStream eXtend is a trademark of SilverStream Software, Inc. All other names are trademarks or registered trademarks of their respective owners.