Please direct your media and public relations inquiries to: mediarelations@cdw.com 800-800-4CDW CDW Announces New MacWarehouse.com VERNON HILLS, Ill. - November 11, 2003 - CDW Corporation (Nasdaq: CDWC), a leading provider of technology products and services to business, government and education, today announced the new macwarehouse.com, a Macintosh-centric Web site that makes it easy to learn about and purchase Macintosh-compatible products and services. The Web site is designed for business and home users. New features include: Capabilities to search for Mac and PC-compatible products Improved navigation and Mac Help Center Advanced tools for customers to manage their account Site visitors can subscribe to a free Macintosh eNewsletter and learn about CDW's promotions on Apple products including the newly-released Mac OS® X version 10.3 also known as "Panther." "This Web site exemplifies our commitment to the Macintosh community," said Kurt Baldassari, CDW director of e-commerce. "We solicited input from a wide range of Macintosh users, including customers and other macwarehouse.com visitors, to create a new Web site that offers customers an unparalleled online experience." The NorthWest of Us, a large Macintosh user group based in the Chicago area, contributed feedback during development. "CDW gets it," said Sanford White, president emeritus and director. "I feel that the Mac community will embrace this site as a useful source of information." Last September, CDW acquired selected assets from Micro Warehouse, Inc., including "Mac Warehouse," the macwarehouse.com Web site and a number of Macintosh product experts and engineers who help customers acquire the right technologies for their needs. On macrowarehouse.com, corporate customers can take advantage of features that automate many purchasing functions including quote retrieval and a software license-tracking tool. Home and business users can shop online, as well as take advantage of personalized features such as monitoring the status of their orders and managing billing and shipping preferences. The new Web site can be found at www.macwarehouse.com. 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 including top name brands such as APC, Apple, Cisco, HP, IBM, Microsoft, Sony, Symantec, Toshiba and ViewSonic. 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 KnowledgeNet and Productivity Point International. CDW was founded in 1984 as a home-based business and today employs over 3,600 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 CDW.com Web site or 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 100 factory-trained and A+ certified technicians on staff. Additional information can be found by visiting CDW.com.