CoStar Group, Inc. Announces Pricing of Common Stock Offering

CoStar Group, Inc. (Nasdaq: CSGP) (“CoStar”) announced today that it has priced its offering of 10,656,436 shares of its common stock at a price of $70.38 per share. Goldman Sachs & Co. LLC and J.P. Morgan are acting as joint book-running managers for the offering. The offering is expected to close on September 20, 2022, subject to customary closing conditions. CoStar expects to use the net proceeds of the offering to fund all or a portion of the costs of any strategic acquisitions CoStar determines to pursue in the future, to finance the growth of its business and for working capital and other general corporate purposes.

The shares are being offered pursuant to an effective shelf registration statement that has been filed with the Securities and Exchange Commission (“SEC”). A preliminary prospectus supplement related to the offering has been filed with the SEC and is available on the SEC's website at http://www.sec.gov. Before you invest, you should read the prospectus in the registration statement and other documents CoStar has filed with the SEC for more complete information about CoStar and this offering. Copies of the prospectus supplement and preliminary prospectus relating to the offering may be obtained from Goldman Sachs & Co. LLC, Prospectus Department, 200 West Street, New York, NY 10282, telephone at [phone], facsimile at [phone] or by emailing [e-mail] or J.P. Morgan Securities LLC, Attention: Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, by telephone at [phone] or by email at [e-mail].

This news release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. The offering of these securities will be made only by means of the prospectus supplement and the accompanying prospectus.

About CoStar Group, Inc.

CoStar Group, Inc. (NASDAQ: CSGP) is a leading provider of online real estate marketplaces, information and analytics. 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. BureauxLocaux is one of the largest specialized property portals for buying and leasing commercial real estate in France. CoStar 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, www.costargroup.com, as a channel of distribution for material company information.