Please direct your media and public relations inquiries to: mediarelations@cdw.com 800-800-4CDW CDW Computer Centers, Inc. Agrees to Acquire 1.5 Milliion Common Shares VERNON HILLS, Ill. February 5, 2001 - CDW Computer Centers, Inc. (Nasdaq: CDWC) announced today that it has, in connection with its previously announced stock repurchase program, entered into agreements with Gregory C. Zeman, Vice Chairman and Director, and Daniel B. Kass, Executive Vice President of Sales and Director, to purchase from them, at a per share price of $38.423, a total of 1,500,000 shares of its common stock. The agreements were entered into after the close of trading on Friday, February 2, 2001 and are expected to close today. Under the previously announced stock repurchase program, the Company has authorization to repurchase up to a maximum of 5 million shares through January 2003. Thus, following the completion of this transaction the Company has the authorization to acquire up to 3,500,000 additional common shares through January 2003. About CDW Computer Centers, Inc. CDW® (Nasdaq: CDWC - news), ranked No. 435 on the FORTUNE 500, offers 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, Hewlett-Packard, IBM, Intel, Microsoft, Sony, Toshiba and other top name brands. 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 via telephone, the award-winning www.cdw.com Web site, and customized CDW@work(TM) extranets; custom configured solutions and same day shipping; flexible financing solutions; and, telephone and online technical support with its factory-trained and A+ certified technicians. Additional information can be found by visiting http://www.cdw.com.