Please direct your media and public relations inquiries to: mediarelations@cdw.com 800-800-4CDW CDW Climbs to Fortune 1000 Vernon Hills, Illinois, April 9, 1998 --- CDW Computer Centers, Inc. ("CDW") has been named one of America's largest 1000 companies, according to Fortune Magazine's new America's 1000 list to be on newstands April 13, 1998. Ranked number 868, CDW has experienced continuous, rapid growth ever since its founding fifteen years ago. The company surpassed its $1 billion sales milestone last year, with 1997 sales reaching $1.3 billion, compared to sales of $100 million ten years ago. In addition to its strong sales, CDW ranked well in profitability. Compare to other companies in Fortune Magazine's wholesaler category, CDE ranked second in profits as a percent of assets, fourth in profits as a percent of shareholder equity, and sixth in profits as a percent of revenues. CDW's 1997 net income was $51 million, up 48 percent over 1996. "This newest milestone is yet another tribute to CDW's motivated and talented co-workers who continue to turn CDW's entrenched business philosophies into tangible sales and profits," said Michael Krasny, Chairman and Chief Executive Officer. "It's also testimony to the continued strength of our operating model and CDW's unique dedication to personalized service." About CDW CDW Computer Centers, Inc. is a leading direct marketer of brand name microcomputer products to business, government, educational, institutional and home office users throughout the United States. CDW's full-service product line includes hardware and peripherals, software, networking products and accessories, most of which use, or are compatible with, Microsoft Windows 95/Windows/Windows NT/MS-DOS operating platforms. In addition to sales expertise, CDW's highly trained account managers offer knowledgeable advice that builds long-term customer relationships. Additional information can be found by visiting CDW.com.