Please direct your media and public relations inquiries to: mediarelations@cdw.com 800-800-4CDW CDW Promotes Sandra Rouhselang to Vice President VERNON HILLS, Ill. - August 22, 2001 - CDW Computer Centers, Inc. (Nasdaq: CDWC), a leading direct solutions provider of technology products and services, today announced Sandra Rouhselang has been promoted to vice president in addition to her post as controller. Her responsibilities include financial reporting, planning and budgeting, and operations accounting. "Sandy has been instrumental in accelerating our closing process, creating financial planning and budgetary processes, administering cost controls and system designs," said Harry J. Harczak, Jr., executive vice president - corporate strategy and chief financial officer of CDW. "She is a valued member of CDW's executive management team, and as our company grows, her role in both day-to-day planning and long term financial forecasting becomes even more crucial." Rouhselang joined CDW in 1998 and previously served as vice president and controller of Edward Don & Company. A certified public accountant, she earned an MBA from the University of Chicago and holds a bachelor's degree in general management from Purdue University. 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 on staff. For more information About CDW: Visit CDW on the Internet at http://www.cdw.com Contact CDW Media Relations via the Internet at mediarelations@cdw.com Or by telephone at 847.371.5048 Contact CDW Investor Relations via the Internet at investorrelations@cdw.com Or by telephone at 847.419.8234