CDW Berbee Announces Platinum Elite Partner Status with Leading Storage Vendor

Upgraded status demonstrates CDW Berbee’s commitment with best-in-class storage providers


June 28, 2007 – CDW Berbee Information Networks Corporation, a CDW Company (NASDAQ: CDWC), today announced its achievement of Platinum Elite vendor status with Network Appliance (NetApp), a leader in unified storage solutions for today’s data-intensive enterprise. This classification, together with CDW Berbee’s Premier Business Partner relationship with IBM, demonstrates CDW Berbee’s commitment to partnering with industry leading storage companies to provide the best technology and service to its clients.

“With strong partnerships with both NetApp and IBM, CDW Berbee is positioned to offer its clients the NetApp solution either directly from NetApp, or as a rebranded “N series” solution from IBM,” explained Scott Severson, Director of CDW Berbee’s System and Storage practice.

“Regardless of which channel the storage solution is sold through, clients get the same dedicated CDW Berbee engineering team whose first priority is learning about the client’s storage environment in order to tailor a custom solution,” said Severson.

“CDW Berbee engineers are continually training on the latest storage technologies,” commented Todd Schneeberger, product manager for CDW Berbee’s system and storage practice, “Whether it’s a solution to simplify data archiving and disaster recovery or virtualizaing a storage environment, our client’s know they will get a best-in-class solution that fits not only their network requirements, but their cost requirements as well.”


About CDW Berbee

CDW Berbee, a CDW company, is a proven partner for IT solutions, including unified communications, security, remote managed services, information worker solutions, and virtualization and optimization. CDW Berbee's data centers deliver hosted applications, co-location, and managed services to clients nationwide. CDW Berbee is a leading provider of technology for business and is among a handful of companies to achieve the highest level of partnership with our strategic partners Cisco, IBM, and Microsoft. CDW Berbee has offices in Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin. Additional information about CDW Berbee is available at www.berbee.com.


About CDW

CDW®, ranked No. 342 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, Acer, Adobe, Apple, Cisco, Fujitsu, HP, IBM, Lenovo, Microsoft, Panasonic, Quantum, Samsung, Sony, Symantec and ViewSonic. CDW's direct model offers customers one-on-one relationships with knowledgeable account managers and access to more than 760 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 5,480 coworkers. In 2006, the company generated sales of $6.8 billion. For more information, visit CDW.com.

CDW Corporation will file with the Securities and Exchange Commission (the “SEC”), and furnish to its shareholders, a proxy statement soliciting proxies for the meeting of its shareholders to be called with respect to the proposed merger between CDW and Madison Dearborn Partners, LLC. CDW SHAREHOLDERS ARE ADVISED TO READ THE PROXY STATEMENT WHEN IT IS FINALIZED AND DISTRIBUTED TO THEM BECAUSE IT WILL CONTAIN IMPORTANT INFORMATION. CDW shareholders and other interested parties will be able to obtain, without charge, a copy of the proxy statement (when available) and other relevant documents filed with the SEC from the SEC’s website at http://www.sec.gov.

CDW shareholders and other interested parties will also be able to obtain, without charge, a copy of the proxy statement (when available) and other relevant documents by directing a request by mail or telephone to CDW Corporation, 200 N. Milwaukee Ave., Vernon Hills, Illinois 60061, Attention: Corporate Secretary, telephone: (847) 465-6000, or from CDW’s website, http://www.cdw.com.

CDW and certain of its directors, executive officers and other members of management and employees may, under SEC rules, be deemed to be “participants” in the solicitation of proxies from shareholders of CDW with respect to the proposed merger. Information regarding the persons who may be considered “participants” in the solicitation of proxies will be set forth in CDW’s proxy statement relating to the proposed merger when it is filed with the SEC. Information regarding certain of these persons and their beneficial ownership of CDW common stock as of March 31, 2007 is also set forth in CDW’s proxy statement for its 2007 Annual Meeting of Shareholders, which was filed with the SEC on April 16, 2007.

Statements about the expected timing, completion and effects of the proposed merger between CDW and Madison Dearborn Partners, LLC, and all other statements in this filing other than historical facts, constitute forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Readers are cautioned not to place undue reliance on these forward-looking statements, each of which is qualified in its entirety by reference to the following cautionary statements. Forward-looking statements speak only as of the date hereof and are based on current expectations and involve a number of assumptions, risks and uncertainties that could cause actual results to differ materially from those projected in the forward-looking statements. CDW may not be able to complete the proposed merger because of a number of factors, including, among other things, the failure to obtain shareholder approval, the failure of financing or the failure to satisfy other closing conditions. Other risks and uncertainties that may affect forward-looking statements are described in the reports filed by CDW with the SEC under the Securities Exchange Act of 1934, as amended, including without limitation CDW’s Annual Report on Form 10-K for the year ended December 31, 2006.

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For more information, press only:

CDW Berbee Information Networks Corporation
Eric Chalgren
608.298.1535

eric.chalgren@berbee.com