Please direct your media and public relations inquiries to: mediarelations@cdw.com 800-800-4CDW CDW-G Builds Momentum in Federal Sector With ECS, GSA and SEWP Contracts Portfolio Complements 2003 Gains Vernon Hills, Ill. - March 11, 2004 - CDW Government, Inc. (CDW-G), the government and education subsidiary of CDW Corporation (Nasdaq: CDWC), today announced that with the recent NASA Scientific and Engineering Workstation Procurement (SEWP) III contract addition, the company broadens its reach in serving federal agencies and authorized contractors while further propelling the company's growth in government sales. CDW-G also retains National Institute of Health's Electronic Commodity Store III (ECS) and GSA contracts, which helped increase 2003 public sector sales to more than $1 billion. "With the support of our existing contracts such as GSA and ECS, CDW-G experienced a record-breaking fourth quarter in 2003," said Jim Shanks, president of CDW-G. "In February 2004, CDW's average daily sales were $20.9 million, an increase of 31 percent, versus average daily sales of $15.9 million for February 2003. Our public sector segment generated strong double-digit growth in both January and February of this year. We expect the additional reach of SEWP will help continue to drive growth." Last month, CDW-G acquired the rights to select assets of T3 Corporation's Scientific Information Technology Products Division that included the SEWP contract. Forward Looking Statement Any forward-looking statements contained in this release are based on the Company's beliefs and expectations as of the date of this release and are subject to certain risks and uncertainties which may have a significant impact on the Company's business, operating results or financial condition. Should any risk or uncertainty materialize, or should underlying assumptions prove incorrect, actual results or outcomes may vary materially from those described in forward-looking statements. Factors affecting the Company's business and prospects are discussed in the Company's filings with the Securities and Exchange Commission. About CDW-G A wholly-owned subsidiary of CDW Corporation (Nasdaq: CDWC), CDW-G addresses the unique needs of the government and education markets with brand-name technology products and services. CDW-G is a leading source of technology products and services from top name brands such as APC, Apple, Cisco, HP, IBM, Microsoft, Sony, Symantec, Toshiba and ViewSonic. For more information about CDW-G's product offerings, procurement options, service and solutions, call 1-800-863-4239 or visit the CDW-G Web site at CDWG.com. About CDW CDW® (Nasdaq: CDWC), ranked No. 381 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 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 more than 3,600 coworkers. In 2003, the Company's coworkers generated sales of $4.7 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 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.