COPT Defense Properties is a self-managed real estate investment trust (REIT). The Company is focused on owning, operating and developing properties in locations proximate to, or sometimes containing, key United States Government (USG) defense installations and missions (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. Its Defense/IT Portfolio includes approximately 199 operating properties totaling 22.7 million square feet comprised of 16.8 million square feet in 168 office properties and 5.9 million square feet in 31 single-tenant data center shells. It owns approximately 24 of these data center shells totaling 4.3 million square feet through unconsolidated real estate joint ventures. It also owns around 50 acres of other developable land in the Greater Washington, DC/Baltimore region.