COPT DEFENSE PROPERTIES — Director's Dealing 2011

Oct 3, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CORPORATE OFFICE PROPERTIES TRUST (OFC)
CIK: 0000860546
Period of Report: 2011-09-29

Reporting Person: BUDORICK STEPHEN E (EVP & COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-09-29	Restricted Common Shares	A	25000	—	Acquired	25000	Direct

Footnotes

F1: The restrictions on the shares shall vest equally over a 5 year period.