Please direct your media and public relations inquiries to: mediarelations@cdw.com 800-800-4CDW InstallShield Software Corporation and CDW-G To Provide Software Installation Products Via GSA Schedule Schaumburg, Ill. - July 12, 1999 - Federal customers now have a convenient way to obtain the software solutions they want through the ease of the GSA Schedule. InstallShield Software Corporation, the industry leader in software installation and distribution solutions and CDW-Government, Inc. (CDW-G), a direct marketer of information technology (IT) products, services and solutions dedicated to serving the unique needs of government and education customers, today announced an exclusive agreement to deliver InstallShield software through CDW-G's GSA Schedule. The relationship between InstallShield and CDW-G provides federal government departments and agencies the opportunity to purchase InstallShield products, including InstallShield® Professional, InstallShield&rep; Express™, DemoShield®, InstallShield® Java™ Edition and InstallShield® for Windows® Installer (ISWI) quickly and easily through the GSA Schedule. CDW-G will offer the full InstallShield product line and provide government customers their first opportunity to order InstallShield solutions via the Web, hosting a site dedicated to selling InstallShield products priced at GSA contract Schedule. "This agreement with InstallShield makes it easy for government agencies to get the products they want with the service and support they have come to expect from CDW-G," said Larry Kirsch, senior vice president, CDW-G. "This exclusive distribution agreement demonstrates our efforts to provide federal customers the best-of-breed IT products available in the marketplace through the GSA Schedule. Our relationship with an industry leader like InstallShield gives government customers another reason to choose CDW-G." InstallShield Software Corporation personnel will continue as a resource throughout the evaluation and pre-sales process. All final sales of InstallShield software to government or education offices, however, will be conducted through CDW-G. "InstallShield is thrilled to have a world-class partner like CDW-G," said Tom Michel, vice president of sales, InstallShield Software Corporation. "With their excellent support and service, this agreement will give government customers the opportunity to quickly purchase deployment solutions under the GSA Schedule, knowing that they've received the best possible price on the highest quality installation software. We look forward to serving CDW-G customers in all aspects of pre-sales consulting on InstallShield products." About CDW-G CDW-G, a wholly-owned subsidiary of CDW Computer Centers, Inc. (NASDAQ: CDWC), was formed in September 1998 to address the unique needs of customers in the government and education markets and signals CDW's long-term commitment to providing specialized service to these markets. Leveraging CDW's best commercial practices, CDW-G combines personalized service with the latest advances in technology to provide government and education customers with direct computing solutions. CDW-G offers the full-range of government procurement vehicles, including GSA Schedule, open-market purchases, blanket purchase agreements and other formal bid contracts. For more information about CDW-G's product offerings, service and solutions, call 1-800-863-4239 or visit the CDW-G Web site at www.cdwg.com. About InstallShield Software Corporation InstallShield Software Corporation (www.installshield.com) is a provider of innovative software distribution solutions. Founded in 1987, the privately held company is recognized worldwide as the leader in software deployment technologies. Products include InstallShield® Professional, InstallShield® Express™, InstallShield® Java™ Edition, InstallFromTheWeb®, InstallShield for Windows CE, PackageForTheWeb®, DemoShield® and InstallShield® for Windows® Installer (ISWI), the next generation installation tool for Windows® 2000. Ninety-two of the top 100 independent software vendors and more than 100,000 corporate and commercial software developers worldwide rely on InstallShield technology to distribute their applications. Some of these applications include Sun Java™ Development Kit, Visio™ 5.0, IBM Enterprise Suite, Microsoft Commercial Internet System products, Symantec Visual Café, Netscape Navigator™, and Adobe Pagemaker™. InstallShield recently entered the enterprise software market with NetInstall™. NetInstall 4.2 provides IT administrators with a flexible, comprehensive solution for distributing Microsoft® Windows®-based software applications and customizing the configuration of corporate desktops. For more information on InstallShield products call 1-800-374-4353, or visit the InstallShield web site at www.installshield.com.