UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): FEBRUARY 27, 2002 CORPORATE OFFICE PROPERTIES TRUST (Exact Name of Registrant Specified in Charter) Maryland 001-14023 23-2947217 (State or Other (Commission (IRS Employer Jurisdiction of File Number) Identification No.) Incorporation) 8815 Centre Park Drive Suite 400 Columbia, Maryland 20145 (Address of Principal Executive Offices) (Zip Code) REGISTRANT'S TELEPHONE, INCLUDING AREA CODE: (410) 992-7324 (not applicable) (Former Name and Former Address, if Changed Since Last Report) ITEM 5. OTHER EVENTS. On February 27, 2002, Corporate Office Properties Trust (the "Company") entered into an Underwriting Agreement (the "Underwriting Agreement") with Corporate Office Properties, L.P. (the "Operating Partnership"), Constellation Real Estate, Inc. ("Constellation"), Credit Suisse First Boston Corporation, A.G. Edwards & Sons, Inc., Legg Mason Wood Walker, Incorporated, and McDonald Investments Inc. (collectively, the "Underwriters") in connection with an underwritten public offering of (i) 823,828 of the Company's common shares of beneficial interest, par value $0.01 per share (the "Common Shares") to be sold by the Company; (ii) 1,261,000 additional Common Shares to be sold by the Company at the initial closing contemplated by the Underwriting Agreement pursuant to the exercise in full, as of March 4, 2002, of the Underwriters' over-allotment option; and (iii) 8,876,172 Common Shares to be sold by Constellation (collectively with the Common Shares to be sold by the Company, the "Shares") at a price of $12.04 per Common Share. The sale of the Shares will result in gross aggregate proceeds before underwriter's discount of approximately $25,101,329 to the Company and approximately $106,869,110 to Constellation. The Shares to be sold by the Company have been registered under the Securities Act of 1933, as amended (the "Securities Act") pursuant to a Registration Statement on Form S-3 (File No. 333-71807), filed with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Act, and the Shares to be sold by Constellation have been registered under the Securities Act on a Registration Statement on Form S-3 (Registration No. 333-59766), filed with the Commission pursuant to the Securities Act. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS. (c) EXHIBITS. 1.1 Form of Underwriting Agreement, dated February 27, 2002, by and among the Company, the Operating Partnership, Constellation and the Underwriters. 4.1 Form of Stock Certificate relating to the Shares. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. CORPORATE OFFICE PROPERTIES TRUST By: /s/ JOHN H. GURLEY ---------------------------- Name: John H. Gurley Title: Senior Vice-President & General Counsel March 4, 2002 INDEX TO EXHIBITS EXHIBIT NO. EXHIBIT ----------- ------- 1.1 Form of Underwriting Agreement, dated February 27, 2002, by and among the Company, the Operating Partnership, Constellation and the Underwriters 4.1 Form of certificate for the Registrant's Common Shares of Beneficial Interest, $0.01 par value per share (filed with the Registrant's Registration Statement on Form S-4 Commission File No. 333-45649) and incorporated herein by reference.