Please direct your media and public relations inquiries to: mediarelations@cdw.com 800-800-4CDW CDW Named a Cisco National Reseller of the Year Company's Sales Performance Continues To Earn Awards VERNON HILLS, Ill. - May 13, 2003 - At its recent Partner Summit event in Las Vegas, Cisco Systems, a worldwide leader in networking for the Internet, honored CDW (Nasdaq: CDWC) for sales performance in 2002 by naming the company the Cisco National Reseller of the Year for the Direct Marketing Reseller channel. CDW is a leading provider of technology products and services for businesses, government agencies and educational institutions. "We are honored that Cisco, a leading networking and Internet technology company, recognized CDW as an important channel partner," said Harry J. Harczak, Jr., executive vice president - sales, CDW. "As one of CDW's premier networking vendors, Cisco plays a key role in CDW's ability to provide top technology products to our customers." In addition this award, CDW has also won awards for 2002 sales performance from several top technology vendors including Adobe, HP and IBM. About CDW CDW® (Nasdaq: CDWC), ranked No. 381 on the Fortune 500, is a leading provider of technology solutions for businesses, government agencies and educational institutions nationwide. CDW is a principal source of technology products and services including top name brands such as Cisco, Computer Associates, HP, IBM, Intel, Microsoft, and Toshiba. CDW distributes contracts to end users for customized and standardized on-site services supplied directly by providers such as HP Services and Unisys and for training programs provided by firms such as KnowledgeNetvand Productivity Point International. CDW was founded in 1984 as a home-based business and today employs 3,000 coworkers whose efforts generated net sales of more than $4.2 billion in 2002. CDW's direct model offers one-on-one relationships with knowledgeable account managers; purchasing by telephone, fax, 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 pre- and post-sales technical support, with more than 100 factory-trained and A+ certified technicians on staff.