Please direct your media and public relations inquiries to: mediarelations@cdw.com 800-800-4CDW Microsoft Windows 98 available to order now from CDW Computer Centers VERNON HILLS, IL-June 18, 1998--Computer users anxious to step up to the newest operating system from Microsoft can save time and money by ordering Windows 98 now from CDW Computer Centers, Inc. (NASDAQ: CDWC). Customers who place advance orders and request express service will receive the product on the June 25 release date. Customers can order today through CDW's award-winning e-commerce Web site, http://www.cdw.com, and through CDW account managers at 800-527-4239. The company has already received more than 4,000 orders for the new operating system. "A hallmark of our success is providing customers with the products they want when they want them," said Greg Zeman, CDW president. "We are pleased to be able to take orders for Windows 98 now, before it is even available." "As the No.1-authorized direct source for Microsoft products, CDW's account managers are highly trained and uniquely qualified to answer customers' questions about Windows 98 and all compatible products," Zeman continued. "We also are taking orders for new peripherals that take advantage of the enhanced hardware and entertainment functionality of Windows." The Microsoft Windows 98 upgrade software carries an estimated retail price of $89.90. The estimated retail price of the full version of Windows 98 is $179.48. Both are available to order today from CDW's online shopping site, http://www.cdw.com, or by calling 800-527-4239. Customers can also purchase Windows 98 directly from either of CDW's Chicagoland showrooms beginning on June 25. About CDW CDW Computer Centers, Inc., a Fortune 1000 company, is one of the country's leading direct marketers of brand-name microcomputer products. The company's customers include business, government, educational, institutional and home office users in the United States. CDW sells more than 30,000 microcomputer hardware, software and peripheral products through account managers and the company's e-commerce Web site, http://www.cdw.com. Nearly 27,000 computer products - with detailed specifications for over 7,000 - are available to search and order online. The CDW Web site, with approximately 40,000 unique users per day, represents a significant proportion of the company's total sales. Additional information can be found by visiting CDW.com.