Please direct your media and public relations inquiries to: mediarelations@cdw.com 800-800-4CDW CDW-G Earns Cisco Premier Certification: CDW-G Authorized to Sell Cisco Enterprise Routing and Switching Products Vernon Hills, Ill. - June 16, 2003 - CDW Government, Inc. (CDW-G), ) announced Cisco Systems has awarded the company Premier Certification status. The designation is a result of CDW-G meeting stringent requirements related to technical training and customer support capabilities on Cisco products. As a Premier Certified partner, CDW-G is now authorized to market Cisco's enterprise routing and switching products to U.S. federal, state and local governments as well as educational institutions. Previously, CDW-G sold mid-range products designed for smaller networks. The new authorization enables CDW-G, in tandem with its services partners, to create, sell, install and support high-end enterprise networking solutions to meet the growing information technology (I.T.) networking needs of government and education customers. "We continue to improve the value we provide customers by expanding the breadth of Cisco products we offer and by investing in advanced training for our technical coworkers ," said Jim Shanks, president of CDW-G. "Customers can continue to receive CDW-G's personalized service and attention along with the high-end networking solutions they need." Cisco recently named CDW, CDW-G's parent company, National Reseller of the Year for the direct marketing reseller channel. CDW-G sells Cisco products on its National Institutes of Health Electronic Commodities Store III contract and on the open market. Customers include the U.S. Air Force and the Library of Congress. About CDW-G A wholly-owned subsidiary of CDW Computer Centers, Inc. (Nasdaq: CDWC), CDW-G addresses the unique needs of the government and education markets with brand name technology products and services. CDW-G is a leading source of technology products and services from top name brands such as APC, Apple, Cisco, HP, IBM, Microsoft, Sony, Symantec, Toshiba and ViewSonic. For more information about CDW-G's product offerings, procurement options, service and solutions, call 1.800.863.4239 or visit the CDW-G Web site at CDWG.com.