COPT Defense, an S&P MidCap 400 Company, is a self-managed REIT focused on owning, operating and developing properties in locations proximate to, or sometimes containing, key U.S. Government ("USG") defense installations and missions (referred to as its Defense/IT Portfolio). The Company's tenants include the USG and their defense contractors, who are primarily engaged in priority national security activities, and who generally require mission-critical and high security property enhancements. As of December 31, 2023, the Company's Defense/IT Portfolio of 190 properties, including 24 owned through unconsolidated joint ventures, encompassed 21.7 million square feet and was 97.2% leased.