Environmental, Social & Governance Report 2023

Quarterly Revenue (in millions) CoStar Product Investments Expand the Market Size, Resulting in Long-Term Double-Digit Growth $250 $4B U.S. MARKET SIZE Hospitality Tenants $200 $150 Lenders $100 $50 Brokers / Appraisers Owners / Investors 13% Revenue Growth Rate Ten Year CAGR $0 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 CoStar™ Total addressable market for CoStar - CoStar estimate. CAGR based on trailing twelve-month revenue as of 9/30/23. CoStar Group™

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