PRESS RELEASE

CoStar Group, Inc. (NASDAQ: CSGP) the leading provider of commercial real estate information, analytics and online marketplaces, today announced a partnership with Kansas City Regional Association of Realtors (KCRAR) – one of the largest and most respected real estate trade organizations in the country.

Working closely with KCRAR, as well as members of its network of commercial real estate firms, CoStar will serve as the organization’s exclusive data, analytics and marketing provider for its commercial real estate division. Individual KCRAR members will benefit from preferential CoStar rates, an annual CoStar sponsorship, and market statistics and data.

“CoStar is thrilled to unlock new opportunities for Kansas City commercial real estate professionals with our research intelligence and marketplace solutions,” said Andrew Florance, CoStar Founder and Chief Executive Officer. “We are committed to helping KCRAR members make faster, better decisions by providing the most up-to-date CRE information that is backed by an incredible team of more than 1,850 researchers who conduct 12 million interviews annually, keeping a pulse on the market and helping to shape informed business decisions for our customers.”

As part of the partnership, KCRAR members will have access to a LoopLink site embedded into the association’s website for tenants and investors to search KCRAR members’ LoopNet Premium Listings. Additionally, CoStar plans to participate in recurring, quarterly Advisory Board Meetings and provide access to knowledgeable speakers for joint organization events.

“We set out to find the best information and marketing system with the best analytic tools for our members and to make it affordable. We believe our collaboration with CoStar provides the best solution, clearly advancing our mission to provide innovative resources, tools and education focused on member success,” said Kipp Cooper, CEO, Kansas City Regional Association of Realtors. “KCRAR looks forward to a very successful partnership with CoStar that adds value for our commercial members.”

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About CoStar Group, Inc.

CoStar Group, Inc. (NASDAQ: CSGP) is the leading provider of commercial real estate information, analytics and online marketplaces. Founded in 1987, CoStar conducts expansive, ongoing research to produce and maintain the largest and most comprehensive database of commercial real estate information. Our suite of online services enables clients to analyze, interpret and gain unmatched insight on commercial property values, market conditions and current availabilities. LoopNet is the most heavily trafficked commercial real estate marketplace online with over 5 million unique monthly visitors. Apartments.com, Apartment Finder.com, ApartmentHomeLiving.com, Westside Rentals and Apartamentos.com form the premier online apartment resource for renters seeking great apartment homes and provide property managers and owners a proven platform for marketing their properties. CoStar Groups websites attracted an average of approximately 37 million unique monthly visitors in aggregate in the third quarter of 2017. Headquartered in Washington, DC, CoStar maintains offices throughout the U.S. and in Europe and Canada with a staff of over 3,600 worldwide, including the industry’s largest professional research organization. For more information, visit  www.costargroup.com.          

About Kansas City Regional Association of REALTORS®

The Kansas City Regional Association of Realtors®, “The Voice for Real Estate in the Kansas City Region”, is the largest professional business association in Kansas City region. KCRAR serves more than 10,000 Realtor® members in Kansas and Missouri. Find a local Realtor® at www.WhichRole.com or connect with KCRAR at www.KCRAR.com.

For additional information contact:
Richard Simonelli
CoStar Group
(973) 896 8184
rsimonelli@costar.com

Kyla Barcus
Kansas City Regional Association of REALTORS
(913) 266-5917
kylab@kcrar.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 based upon current beliefs and are subject to many risks and uncertainties that could cause actual results to differ materially from these statements, including the risk that the partnership will not provide the expected results and benefits stated in this release, and the risk that CoStar’s or KCRAR’s plans and the arrangement between the parties change. More information about potential factors that could cause results to differ materially from those anticipated 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 in CoStar’s Annual Report on Form 10-K for the year ended December 31, 2016, and CoStar’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2017, each of which is filed with the SEC, including in the “Risk Factors” section of those filings, as well as CoStar’s other filings with the SEC available at the SEC’s website (www.sec.gov). All forward-looking statements are based on information available to CoStar on the date hereof, and CoStar assumes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.