PRESS RELEASE DETAIL


Dec 27, 2007

Cushman & Wakefield, Inc. Signs Multi-Year Renewal Agreement with CoStar Group

2004-12-16 2004 Cushman & Wakefield, Inc. Signs Multi-Year Renewal Agreement with CoStar Group

BETHESDA, MD -- CoStar Group, Inc. (NASDAQ: CSGP) t...

2004-12-16 2004 Cushman & Wakefield, Inc. Signs Multi-Year Renewal Agreement with CoStar Group

BETHESDA, MD -- CoStar Group, Inc. (NASDAQ: CSGP) today announced it has signed a multi-market renewal agreement to provide comprehensive commercial real estate information services to Cushman & Wakefield, Inc., for a period of at least four years.

Cushman & Wakefield has been a CoStar customer since 1993, and has over 1,900 professionals accessing CoStar Property® and CoStar Tenant® at 46 sites across the United States. In addition, over 500 of the firm's sales and valuation professionals will have access to CoStar COMPS®.

Under the new agreement, Cushman & Wakefield professionals will have access to a broader array of information. Cushman & Wakefield brokers in all licensed locations will now have direct access to CoStar information on every market licensed by Cushman & Wakefield and its U.S. Alliance firms.

"We are pleased to receive this strong endorsement from one of the industry's premier global service providers," stated CoStar Group President & CEO Andrew C. Florance. "We are excited about the opportunity to collaborate more closely with Cushman & Wakefield in ways that will only enhance this valued client relationship."

"Our continued relationship with CoStar enables us to provide our professionals with all the tools and resources they require to meet clients' needs while maximizing our investment in our own internal research and technology," stated Cushman & Wakefield President & CEO Bruce E. Mosler. "CoStar is an essential tool for anyone serious about competing in the commercial real estate business."

About CoStar Group, Inc.

CoStar Group, Inc., (NASDAQ: CSGP) is the leading provider of information services to commercial real estate professionals in the United States and the United Kingdom. CoStar's suite of services offers customers access via the Internet to the most comprehensive database of commercial real estate information on over 50 U.S. markets, London and the United Kingdom. Based in Bethesda, MD, the company has approximately 950 employees throughout the United States and the United Kingdom, including the largest professional research organization in the industry.

About Cushman & Wakefield, Inc.

Cushman & Wakefield is the largest fully integrated real estate services firm in the world. Founded in 1917, it has 147 offices in 49 countries around the globe, and 11,000+ talented professionals. Cushman & Wakefield is involved in every stage of the real estate process, from strategy to execution. The firm represents clients in buying, selling, financing, leasing, managing and valuing assets, and provides strategic planning and research, portfolio analysis, site selection and space location services.

This news release includes "forward-looking statements" including, without limitation, statements regarding CoStar's expectations, beliefs, intentions or strategies regarding the future. These statements are subject to many risks and uncertainties that could cause actual results to differ materially from these statements. More information about potential factors that could cause actual results to differ materially from those discussed in the forward-looking statements include, but are not limited to, those stated in CoStar's filings from time to time with the Securities and Exchange Commission, including CoStar's Form 10-Q for the quarter ended September 30, 2004, under the heading "Risk Factors." All forward-looking statements are based on information available to CoStar on the date hereof, and CoStar assumes no obligation to update such statements.
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