5 0000860546 CORPORATE OFFICE PROPERTIES TRUST, INC. YEAR DEC-31-1997 DEC-31-1997 3,395 0 78 0 0 1,436 191,849 (3,224) 193,534 2,633 114,315 0 0 23 76,503 193,534 0 6,618 0 0 4,730 0 2,855 0 0 0 0 0 0 (967) (0.60) (0.60) Reflects a non-recurring termination expense of $1,353 for the year ended December 31, 1997 associated with the termination of the Advisory Agreement, which was paid in the form of Common Stock.