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CoStar Group Welcomes Robert Stassen as New Head of Analytics for Expanding Europe Region

CoStar Group, Inc. (NASDAQ: CSGP), a leading provider of online real estate marketplaces, information, and analytics in the commercial and residential property markets, announced today the hire of Robert Stassen as Head of Analytics for Europe.

In this role, Stassen will be responsible for growing and leading CoStar Group’s expanding European Analytics team as it produces insightful analyses of economic and real estate market conditions in the region for inclusion in the company’s product offerings.

“As CoStar Group continues to expand our reach across Europe, we knew we needed to onboard a talented leader with an undeniably strong understanding of the region’s uniquely complex commercial real estate industry,” said Lisa Ruggles, Senior Vice President of Global Marketing Research, Analytics and News, CoStar Group. “We believe that Robert is the best of the best and perfect for this role. We are incredibly excited to welcome him to the CoStar family and look forward to seeing how he shapes the Marketing Research and Analytics team in Europe.”

In addition to growing the team and onboarding senior talent across key markets in Europe, Stassen will also be directly responsible for ensuring that CoStar data accurately reflects market trends. He will be involved with sales and marketing initiatives in the region and also serve as a principal point of contact for CoStar customers and key clients, fostering and strengthening relationships across the continent.

Stassen joins the CoStar family with nearly 30 years of experience working at the cross-section of Europe’s financial and commercial real estate industries. Previously, he spent seven years as the Head of Capital Markets Research for the EMEA region at Jones Lang LaSalle (JLL), where he expanded their client network and oversaw strategic initiatives that impacted the pan-European capital markets.

About CoStar Group, Inc.

CoStar Group, Inc. (NASDAQ: CSGP), a leading provider of online real estate marketplaces, information, and analytics in the commercial and residential property markets. 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. STR provides premium data benchmarking, analytics and marketplace insights for the global hospitality industry. Ten-X provides a leading platform for conducting commercial real estate online auctions and negotiated bids. LoopNet is the most heavily trafficked commercial real estate marketplace online. Apartments.com, ApartmentFinder.com, ForRent.com, ApartmentHomeLiving.com, Westside Rentals, AFTER55.com, CorporateHousing.com, ForRentUniversity.com 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. Homesnap is an industry-leading online and mobile software platform that provides user-friendly applications to optimize residential real estate agent workflow and reinforce the agent-client relationship. Homes.com offers real estate professionals advertising and marketing services for residential properties. Realla is the UK’s most comprehensive commercial property digital marketplace. In France, BureauxLocaux is one of the largest specialized property portals for buying and leasing commercial real estate and Business Immo is widely recognized as a leading digital commercial real estate news provider in the country. Group’s websites attract tens of millions of unique monthly visitors. Headquartered in Washington, DC, CoStar Group maintains offices throughout the U.S., Europe, Canada and Asia. From time to time, we plan to utilize our corporate website, http://www.costargroup.com , as a channel of distribution for material company information. For more information, visit CoStarGroup.com.

This news release includes "forward-looking statements" including, without limitation, statements regarding CoStar Group'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 Company’s expected increasing global expansion will not be as and when expected. 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 Group’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, 2021, which is filed with the SEC, including in the “Risk Factors” sections of that filing, 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 Group on the date hereof, and CoStar Group assumes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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