COLUMBIA, Md.–(BUSINESS WIRE)–COPT Defense Properties (NYSE: CDP) (“COPT Defense” or the “Company”) announces the release date and conference call details in which management will discuss second quarter 2026 results. Details: Results Release Date: Monday, July 27, 2026 after the market closes Conference Call Date: Tuesday, July 28, 2026 Time: 12:00 p.m. Eastern Participants must register for the conference call at the link below to receive the dial-in number and personal pin. Registering

