PRESS RELEASE DETAIL


Apr 27, 2010

CoStar Group Announces Winners of CoStar Power Broker Awards

2010-04-27 2010 CoStar Group Announces Winners of CoStar Power Broker Awards Annual Awards Recognize Top Commercial Real Estate Dealmakers: Best of the Best in Commerc...

2010-04-27 2010 CoStar Group Announces Winners of CoStar Power Broker Awards Annual Awards Recognize Top Commercial Real Estate Dealmakers: Best of the Best in Commercial Real Estate Brokerage

BETHESDA, Md., April 27, 2010 — CoStar Group, Inc. (Nasdaq:CSGP), the number one provider of information, marketing and analytic services to the commercial real estate industry, is pleased to announce the winners of the 2009 CoStar Power Broker Awards™, recognizing the best of the best in commercial real estate brokerage.

As the largest professional research organization serving the commercial real estate industry, CoStar is uniquely positioned to identify the top firms and brokers in each market. Every year, CoStar tallies the commercial real estate sales and lease transactions that closed during the previous year and presents CoStar Power Broker Awards to the brokerage firms and individual brokers who closed the highest transaction volume in commercial property sales and leases in each market.

“CoStar Group is very proud to recognize the commercial real estate brokerage firms and brokers who performed at the industry’s highest level,” said CoStar Group CEO Andrew C. Florance. “Top performers deserve to be recognized for their innovation, prowess and deal-making abilities; this holds especially true in last year’s challenging economic climate. We congratulate all the award winners on their impressive professional accomplishments.”

The CoStar Power Broker Award winners include brokers from Newmark Knight Frank, New York; CB Richard Ellis, Chicago; Jones Lang LaSalle Americas, Inc., Dallas; Cushman & Wakefield, Seattle; NAI Hunneman Commercial Company, Boston; and CresaPartners of Georgia, LLC, Atlanta. These winners are joined by brokers in markets across the country such as Charlotte, Milwaukee, Minneapolis, Nashville, Salt Lake City and San Antonio; a complete list of CoStar Power Broker Award winners by market can be found at http://www.costar.com/PowerBrokers/.

Now in their eighth year, the CoStar Power Broker Awards recognize the top firms and individual dealmakers by market based on overall transaction volume during the previous year. All awards are based on transaction data in CoStar's commercial real estate database, which is the largest, independently researched database of commercial real estate property information available online. Information in CoStar's database is verified and continuously updated by approximately 900 CoStar researchers, comprising the largest commercial real estate research operation of its kind. CoStar’s U.S. database contains more than 3 million commercial properties, and the total U.S. square footage of gross building area tracked and maintained by CoStar exceeds 70 billion square feet.

About CoStar Group, Inc.
CoStar Group, Inc. (Nasdaq:CSGP) is the number one provider of information, marketing and analytic services to commercial real estate professionals in the United States as well as the United Kingdom. CoStar's suite of services offers customers access via the Internet to the most comprehensive database of commercial real estate information throughout the U.S. as well as in the United Kingdom and France. Headquartered in Bethesda, Md., CoStar has approximately 1,400 people working for the company worldwide, including the largest professional research organization in the industry. For more information, visit http://www.costar.com.

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-K for the year ended December 31, 2009, and CoStar’s Form 10-Q for the quarter ended March 31, 2010, 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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