PRESS RELEASE DETAIL


Feb 01, 2010

CoStar Group to Report Fourth Quarter and Full-Year 2009 Financial Results on February 24, 2010

2010-02-01 2010 CoStar Group to Report Fourth Quarter and Full-Year 2009 Financial Results on February 24, 2010 Earnings Release to be Issued After Market Close on Wed...

2010-02-01 2010 CoStar Group to Report Fourth Quarter and Full-Year 2009 Financial Results on February 24, 2010 Earnings Release to be Issued After Market Close on Wednesday, February 24; Conference Call to Discuss 2009 Financial Results and Outlook for 2010 Scheduled for 11:00 AM EST on Thursday, February 25

BETHESDA, Md., Feb. 1, 2010 -- CoStar Group, Inc. (Nasdaq:CSGP), the number one provider of information, marketing and analytic services to the commercial real estate industry, will announce financial results for the fourth quarter and full year of 2009 following the market close on Wednesday, February 24, 2010. Management will conduct a conference call to discuss the fourth quarter results and the company's outlook for 2010 at 11:00 AM EST on Thursday, February 25, 2010.

To participate in the conference call, please dial (800) 230-1096 (from the United States and Canada) or (612) 332-0820 (from all other countries) and refer to conference code 145471. An audio webcast of this conference call will also be available by accessing the link in the Investors section of CoStar's web site at www.CoStar.com/investors.aspx

An audio recording of the conference will be available for replay approximately one hour after the call's completion and remain available for approximately two weeks. To access the recorded call, please dial (800) 475-6701 (from the U.S. and Canada) or (320) 365-3844 (from all other countries) using access code 145471. The webcast replay will also be available in the Investors section of CoStar Group's web site for a period of time following the call.

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, 2008, and Form 10-Q for the quarter ended September 30, 2009, 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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