Please direct your media and public relations inquiries to: mediarelations@cdw.com 800-800-4CDW CDW Resumes Purchases of Company Stock VERNON HILLS, Illinois, - September 24, 2001 - CDW Computer Centers, Inc. (Nasdaq: CDWC), a leading direct solutions provider of technology products and services, today announced it has resumed purchasing shares of Company stock under its previously announced share repurchase plan. During the week of September 17, 2001, the Company repurchased approximately 300,000 shares of its stock on the open market. "Our repurchasing of stock reflects the confidence our Board of Directors and management have in CDW's successful business model and ongoing business prospects," said John A. Edwardson, CDW's chairman and chief executive officer. In January 2001, CDW's Board of Directors approved the repurchase of up to 5 million shares of stock. To date, the Company has repurchased approximately 2.25 million shares. The amount and timing of future purchases will be determined in response to market conditions. 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. CDW was founded in 1984 as a home-based business and today employs more than 2,700 coworkers whose efforts generated net sales of $3.8 billion in 2000. 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 80 factory-trained and A+ certified technicians. Additional information can be found by visiting CDW.com.