Corporate Office Properties Trust is committed to your health and well-being. Please visit our FAQ and resources page, regarding COVID-19, for information to assist you during this time. Let your office space fuel your company’s growth. Sustain your company for the long run by choosing an office environment that helps you attract and retain top talent.

A strategy worth investing in. COPT’s Defense/IT locations are aligned with defense installations whose missions remain DoD spending priorities. Investor Resources COPT Markets & Defense Research Corporate Governance News, Presentations & Event Calendar Financial Information Stock Information Other Information Latest Updates PRESENTATION FINANCIAL SUPPLEMENTAL COMPANY OVERVIEW WEBCAST SUSTAINABILITY REPORT ANNUAL REPORT About COPT is an office Real Estate Investment Trust (REIT) based in the Greater Washington, DC / Baltimore region. We focus on owning properties and developable land near key defense installations and other knowledge-based government demand drivers, and in targeted markets or select urban/urban-like submarkets with durable Class A Office fundamentals and characteristics. News 11/18/2021 COPT Declares 96th Consecutive Common Dividend 1 2 3 SEE ALL OFC RINGS NYSE CLOSING BELL 1000 REDSTONE GATEWAY, HUNTSVILLE, AL Credit Ratings Ratings Outlook Fitch BBB- Stable Moody's Baa3 Stable S&P BBB- Stable NYSE: OFC $ 27.16 EQUITY MARKET CAP ($M) 3.05B CHANGE UP $ (0.11) | (0.4)% VOLUME 344,368 *As of November 23, 2021 Close Minimum 20 minute delay. Founded September 1998 Key Facts 2.5M SF Class A office properties $0.7.0B Total market capitalization 23 Properties owned & operated 4 Non-confidential Data center facilities COPT.com Join Our Team COPTData Copyright 2021, © Powered By Q4 Inc. COPT.COM CAREERS COPTDATA CORPORATE OFFICE PROPERTIES TRUST 6711 Columbia Gateway Drive Suite 300 Columbia, MD 21046 P: 443.285.5400 TRANSFER AGENT EQ Shareowner Services 1110 Centre Pointe Curve Suite 101 Mendota Heights, MN 55075 P: 1-800-468-9716 www.shareowneronline.com INVESTOR RELATIONS CONTACTS Stephanie Krewson-Kelly VP, Investor Relations Michelle Layne Manager, Investor Relations P: 443.285.5400 F: 443.285.7650 E: ir@copt.com CONNECT WITH US © Corporate Office Properties Trust 2020