COLUMBIA, Md.–(BUSINESS WIRE)–COPT Defense Properties (NYSE: CDP) (“COPT Defense” or the “Company”) provided an update on vacancy leasing, investment leasing, and capital commitments to new investments, in advance of the Company’s participation in the following conferences: Evercore Real Estate Conference on September 10-11, 2026 BofA Global Real Estate Conference on September 15, 2026 The Company executed 177,000 square feet of vacancy leasing in 3Q26 to date and 408,000 square feet year-to-