------------------------------ OMB APPROVAL ------------------------------ OMB Number 3235-0104 Expires: September 30, 1998 Estimated average burden hours per response ....... 0.5 ------------------------------ U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 3 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940 ================================================================================ 1. Name and Address of Reporting Person* BALTIMORE GAS AND ELECTRIC COMPANY ("BGE") - -------------------------------------------------------------------------------- (Last) (First) (Middle) 39 WEST LEXINGTON STREET - -------------------------------------------------------------------------------- (Street) BALTIMORE, MD 21201 - -------------------------------------------------------------------------------- (City) (State) (Zip) ================================================================================ 2. Date of Event Requiring Statement (Month/Day/Year) 9/28/98 ================================================================================ 3. IRS or Social Security Number of Reporting Person (Voluntary) 52-0280210 ================================================================================ 4. Issuer Name and Ticker or Trading Symbol CORPORATE OFFICE PROPERTIES TRUST (OFC) ================================================================================ 5. Relationship of Reporting Person to Issuer (Check all applicable) [ ] Director [ X ] 10% Owner [ ] Officer (give title below) [ ] Other (specify below) -------------------------------------------------------------------- ================================================================================ 6. If Amendment, Date of Original (Month/Year) ================================================================================ 7. Individual or Joint/Group Filing (Check applicable line) [ ] Form Filed by One Reporting Person [ X ] Form Filed by More than One Reporting Person ================================================================================ Table I -- Non-Derivative Securities Beneficially Owned ================================================================================
3. Ownership Form: 2. Amount of Securities Direct (D) or 1. Title of Security Beneficially Owned Indirect (I) 4. Nature of Indirect Beneficial Ownership (Instr. 4) (Instr. 4) (Instr. 5) (Instr.5) - ------------------------------------------------------------------------------------------------------------------------------------ COMMON SHARES OF BENEFICIAL INTEREST 6,182,634 I (a) - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ ====================================================================================================================================
* If the Form is filed by more than one Reporting Person, see Instruction 5(b)(v) Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. Page 1 of 4 FORM 3 (continued) Table II -- Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) ================================================================================
5. Owner- 3. Title and Amount of Securities ship Underlying Derivative Security Form of 2. Date Exercisable (Instr. 4) Derivative and Expiration Date --------------------------------- 4. Conver- Security: (Month/Day/Year) Amount sion or Direct 6. Nature of ---------------------- or Exercise (D) or Indirect Date Expira- Number Price of Indirect Beneficial 1. Title of Derivative Exer- tion of Derivative (I) Ownership Security (Instr. 4) cisable Date Title Shares Security (Instr.5) (Instr. 5) - ------------------------------------------------------------------------------------------------------------------------------------ Series A Convertible Common Shares of Preferred Shares 9/28/00 Beneficial Interest 865,566 I (a) - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ ====================================================================================================================================
Explanation of Responses:(a) The Common Shares of Beneficial Interest and the Series A Convertible Preferred Shares of Beneficial Interest are held by Constellation Properties, Inc., a wholly-owned subsidiary of Constellation Real Estate Group, Inc.,which is a wholly-owned subsidiary of Constellation Holdings, which is a wholly-owned subsidiary of Constellation Enterprises, Inc., which is a wholly-owned subsidiary of BGE. /s/David A. Brune 11/10/98 - --------------------------------------------- ----------------------- **Signature of Reporting Person Date David A. Brune Vice President, Chief Financial Officer and Secretary Baltimore Gas and Electric Company Vice President, Chief Financial Officer and Secretary Constellation Enterprises, Inc. ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient. See Instruction 6 for procedure. Alternatively, this form is permitted to be submitted to the Commission in electronic format at the option of the reporting person pursuant to Rule 101(b)(4) of Regulation S-T. Page 2 of 4
5. Owner- 3. Title and Amount of Securities ship Underlying Derivative Security Form of 2. Date Exercisable (Instr. 4) Derivative and Expiration Date --------------------------------- 4. Conver- Security: (Month/Day/Year) Amount sion or Direct 6. Nature of ---------------------- or Exercise (D) or Indirect Date Expira- Number Price of Indirect Beneficial 1. Title of Derivative Exer- tion of Derivative (I) Ownership Security (Instr. 4) cisable Date Title Shares Security (Instr.5) (Instr. 5) - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ ====================================================================================================================================
Explanation of Responses: /s/Dan R. Skowronski 11/10/98 - --------------------------------------------- ----------------------- **Signature of Reporting Person Date Dan R. Skowronski General Counsel and Secretary Constellation Properties, Inc. ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient. See Instruction 6 for procedure. Alternatively, this form is permitted to be submitted to the Commission in electronic format at the option of the reporting person pursuant to Rule 101(b)(4) of Regulation S-T. Page 3 of 4 JOINT FILING LISTING OF OTHER REPORTING PERSONS REPORTING PERSONS: IRS NUMBER: ------------------ ----------- a) Constellation Properties, Inc. 52-1237835 b) Constellation Enterprises, Inc. 52-2080643 Page 4 of 4