CDW Elects Berger, Leahy, Shain, Stevens Sr. Vice President.

VERNON HILLS, Ill. -- CDW Corporation (NASDAQ: CDWC), a leading provider of technology products and services to business, government and education, announced today that Dennis G. Berger, Christine A. Leahy and Jonathan J. Stevens have been promoted to senior vice president. In addition, Paul A. Shain has been elected senior vice president. All four continue as members of CDW's Executive Committee.

"Dennis, Chris, Paul and Jon are all exceptional executives who will continue to play important roles in defining CDW's path to continued growth and success," said John A. Edwardson, chairman and chief executive officer, CDW Corp. "Each of them possesses a high level of industry knowledge and business acumen as well as a strong sense of CDW's unique culture. I expect them to continue leading the way for our coworkers to provide an unmatched customer experience," Edwardson said.

Berger, 41, is now senior vice president, coworker services and chief coworker services officer. He joined CDW in September 2005 in his most recent position, vice president, coworker services. Berger is responsible for leading CDW's programs in coworker learning and development, benefits, compensation, performance management, coworker relations and recruitment. Prior to joining the company, he served as vice president of human resources at PepsiAmericas and also served as a group vice president of human resources in PepsiAmericas' St. Louis office. Before joining PepsiAmericas in 1999, Berger held human resources positions of increasing responsibility at Pepsi Bottling Group, Inc., PepsiCo, Inc. and GTE Corporation.

Berger holds a Master of Business Administration degree from the John M. Olin School of Business at Washington University in St. Louis, and Bachelor of Business Administration degree from Northeastern University in Boston. He serves on the Children's Memorial Foundation Board and on the Board of Directors for the Human Resources Management Association of Chicago.

Leahy, 42, is now senior vice president, general counsel and corporate secretary, having most recently served as vice president, general counsel and corporate secretary. She joined CDW in 2002 as the company's first in-house counsel. Leahy is responsible for the company's legal, corporate governance and compliance functions. She is also a founder and sponsor of the Women-to-Women Network at CDW, which focuses on leadership development. Previously, she served as corporate partner in the Chicago office of Sidley Austin LLP where she specialized in corporate governance, securities law, mergers and acquisitions and strategic counseling.

Leahy earned her bachelor's degree from Brown University and a J.D. from Boston College Law School. She completed the CEO Perspective Program at Kellogg School of Management at Northwestern University as well as the Women's Director Development Program at Kellogg. Leahy is a member of the American, Chicago and Washington D.C. Bar Associations.

Shain, 43, is now senior vice president of CDW. He joined CDW in October 2006. Most recently, Shain served as chief executive officer of Madison, Wisconsin-based Berbee Information Networks Corporation, which CDW acquired in October, 2006. Shain continues to be responsible for leading the Berbee business unit and jointly overseeing all aspects of the transition of Berbee into CDW. Shain joined Berbee in 2000 as president and was appointed chief executive officer in 2005. Prior to joining the company, Shain was managing director and director of research for Robert W. Baird & Co., Inc. At Baird, he was the senior IT services analyst and was responsible for the overall supervision and administration of Baird's equity research efforts.

Shain serves on Executive Partner Councils for both IBM Corporation and Cisco Systems. In addition to serving on several charitable boards, he is also involved with the School of Business at the University of Wisconsin - Madison, including serving on the Advisory Board of the Applied Corporate Finance Program.

Stevens, 37, is now senior vice president and chief information officer. Stevens is responsible for the strategic direction of CDW's information technology and e-commerce initiatives including content development, online marketing and e-procurement.

Stevens joined CDW in 2001 as the company's vice president of information technology and was named to his most recent position, vice president and chief information officer, in 2002. From 2005 to 2006, Stevens also served as general manager of CDW's Canada operation. Previously, Stevens served as regional technology director for Avanade, an international integration company formed as a joint venture between Microsoft and Accenture. Before Avanade, Stevens was a principal with Microsoft Consulting Services and led an IT group for a corporate division of AT&T/NCR.

Stevens is a graduate of the University of Dayton where he earned a Bachelor of Science degree in Computer Information Systems Management. He serves on the board of directors of IT Resource Center, an organization that helps other non-profits use technology in their operations. Also, Stevens is actively involved with many charities and enjoys donating his time to schools in need of new technology resources.

About CDW

CDW[R], ranked No. 343 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 Acer, Adobe, Apple, Cisco, HP, IBM, Lenovo, Microsoft, Panasonic, Samsung, Sony, Symantec, Toshiba and ViewSonic. CDW's direct model offers customers one-on-one relationships with knowledgeable account managers and access to more than 600 on-staff engineers and advanced technology specialists who customize solutions for customers' complex technology needs. CDW also provides same-day product shipping and post-sales technical support.

CDW was founded in 1984 and employs approximately 5,250 coworkers. In 2005, the company generated sales of $6.3 billion. For more information, visit CDW.com.