COPT DEFENSE PROPERTIES — Director's Dealing 2021

May 17, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CORPORATE OFFICE PROPERTIES TRUST (OFC)
CIK: 0000860546
Period of Report: 2021-05-13

Reporting Person: Trimberger Lisa G (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-13	Common shares	A	3416	—	Acquired	15756	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares	3000	Indirect

Footnotes

F1: These restricted shares were granted as part of annual trustee compensation and will vest in one year from the grant date.

F2: Shares owned by limited liability company controlled by the reporting person and her spouse.