Please direct your media and public relations inquiries to: mediarelations@cdw.com 800-800-4CDW CDW Promotes Oren J. Hartman to Vice President VERNON HILLS, Ill. - April 15, 2002 - CDW Computer Centers, Inc. (Nasdaq: CDWC), a leading provider of technology products and services, today announced Oren J. Hartman is promoted to vice president - national sales and services. Since joining CDW in 1994, Hartman has served the company in several sales leadership positions, most recently as executive director - sales. In his new role, his responsibilities include the creation and implementation of strategies to expand relationships and better serve the larger customers in CDW's targeted small and medium-sized business market. Additionally, Hartman continues to be responsible for growing the technology services division, which he was instrumental in launching in 2000. He will report to Harry J. Harczak, Jr., CDW's executive vice president - sales. "Oren has successfully led the development and implementation of several strategic initiatives in the sales organization including our product category specialists, telephony and bandwidth product lines and technology services offerings," said Harczak. "In his new role, Oren will help create the model that will allow us to get closer to our larger customers with the efficiency of our high-tech, high-touch business model. We want to focus more attention on providing our customers with technology services, a segment that according to IDC reports is projected to grow in the U.S at an annual rate in excess of 12 percent through 2006." Hartman joined CDW in 1994 as an account manager. He advanced to sales manager in 1997, followed by promotions to senior sales manager, general sales manager, and executive director - sales. During his tenure, he helped develop the company's proactive account management strategy, managed the opening of new sales facilities and launched specialty groups including storage, telephony and services. He earned a bachelor's degree in economics and history from University of Wisconsin. About CDW CDW® (Nasdaq: CDWC), ranked No. 435 on the Fortune 500, is a direct solutions provider of complete, customized technology solutions for businesses, government agencies and educational institutions nationwide. CDW is a leading source of technology products and services from companies such as Cisco, Compaq, Computer Associates, Hewlett-Packard, IBM, Intel, Microsoft, Toshiba and other top name brands. CDW distributes contracts to end users for customized and standardized on-site services provided directly by firms such as Compaq Global Services and DecisionOne and for training programs provided directly by KnowledgeNet and Productivity Point International. CDW was founded in 1984 as a home-based business and today employs more than 2,800 coworkers whose efforts generated net sales of approximately $4 billion in 2001. CDW's direct model offers one-on-one relationships with highly trained account managers; purchasing by fax, telephone, the company's award-winning www.cdw.com Web site or customized CDW@work™ extranets; custom configured solutions and same day shipping; flexible financing solutions; and phone and online technical support, with more than 100 factory-trained and A+ certified technicians on staff. Additional information can be found by visiting CDW.com.