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Gary Ross
847-371-5048
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Cindy Klimstra
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CDW to Host Annual Meeting of Shareholders

VERNON HILLS, Ill. – May 3, 2005 – CDW Corporation (NASDAQ: CDWC), a leading provider of technology products and services, will host its twelfth annual meeting of shareholders on Wednesday, May 11, 2005 at 5:00 p.m. Central time. The meeting will be held at the company's Woodland Falls sales office in Mettawa, Ill. Management's presentation will be webcast live on the Company's Web site at www.cdw.com/investor. An audio replay of the presentation will be available approximately two hours after the event and will remain active for approximately two weeks.

About CDW
CDW® (NASDAQ: CDWC), ranked No. 347 on the FORTUNE 500, is a leading provider of technology solutions for business, government and education. CDW is a principal source of technology products and services including top name brands such as Adobe, APC, Apple, Cisco, HP, IBM, Microsoft, Sony, Symantec, Toshiba and ViewSonic.

CDW was founded in 1984 and today employs approximately 4,000 coworkers. In 2004, the company generated net sales of approximately $5.7 billion. CDW's direct model offers one-on-one relationships with knowledgeable account managers; purchasing by telephone, fax, the company's award-winning CDW.com Web site, customized CDW@work™extranets, CDWG.com Web site and macwarehouse.com Web site; custom configured solutions and same day shipping; and pre- and post-sales technical support, with more than 120 factory-trained and A+ certified technicians on staff.

Additional information can be found by visiting CDW.com.