EX-22.1 3 cdp03312026ex221.htm EX-22.1
EXHIBIT 22.1
List of Subsidiary Issuers of Guaranteed Securities
As of March 31, 2026, COPT Defense Properties was the guarantor of the outstanding guaranteed debt securities of its subsidiaries, as listed below:

Debt Instrument | Issuer |
2.000% Senior Notes due 2029 | COPT Defense Properties, L.P. |
4.500% Senior Notes due 2030 | COPT Defense Properties, L.P. |
2.750% Senior Notes due 2031 | COPT Defense Properties, L.P. |
2.900% Senior Notes due 2033 | COPT Defense Properties, L.P. |