- -------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION ----------------------------- FORM 5 WASHINGTON, D.C. 20549 OMB APPROVAL - -------- ----------------------------- / / CHECK BOX IF NO LONGER ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OMB NUMBER: SUBJECT TO SECTION 16. EXPIRES: FORM 4 OR FORM 5 OBLI- Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, ESTIMATED AVERAGE BURDEN GATIONS MAY CONTINUE. Section 17(a) of the Public Utility Holding Company Act of 1935 or HOURS PER RESPONSE .... 1.0 SEE INSTRUCTION 1(b). Section 30(f) of the Investment Company Act of 1940 ----------------------------- / / FORM 3 HOLDINGS REPORTED / / FORM 4 TRANSACTIONS REQUIRED - ------------------------------------------------------------------------------------------------------------------------------------ 1. Name and Address of Reporting Person* 2. Issuer Name and Ticker or Trading Symbol 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) Reid Irvin D. Mack-Cali Realty Corporation (CLI) X Director 10% Owner ---- ---- - ------------------------------------------------------------------------------------------- Officer (give Other (specify (Last) (First) (Middle) 3. IRS or Social Security 4. Statement for ---- title ---- below) Number of Reporting Month/Year below) c/o Mack-Cali Realty Corporation Person (Voluntary) 11 Commerce Drive December 2001 -------------------------- - ------------------------------------------- ------------------------------------------------------------- (Street) 5. If Amendment, 7. Individual or Joint/Group Reporting Date of Original (check applicable line) (Month/Year) X Form Filed by One Reporting Person --- Form filed by More than One Cranford, New Jersey 07016 Reporting Person --- - ------------------------------------------------------------------------------------------------------------------------------------ (City) (State) (Zip) TABLE I -- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED - ------------------------------------------------------------------------------------------------------------------------------------ 1. Title of Security 2. Trans- 3. Transac- 4. Securities Acquired (A) or 5. Amount of 6. Owner- 7. Nature of (Instr. 3) action tion Disposed of (D) Securities ship Indirect Date Code (Instr. 3, 4 and 5) Beneficially Form: Beneficial (Instr. 8) Owned at Direct Ownership (Month/ end of (D) or (Instr. 4) Day/ ------------------------------ Issuer's Indirect Year) Code V Amount (A) or Price Fiscal Year (I) (D) (Instr. 3 (Instr. 4) and 4) - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ *If the form is filed by more than one reporting person, see instruction 4(b)(v). (Over) SEC 2270 (7/97)

FORM 5 (CONTINUED) TABLE II - DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED (e.g., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES) - ------------------------------------------------------------------------------------------------------------------------ 1. Title of Derivative Security 2. Conver- 3. Trans- 4. Trans- 5. Number of 6. Date Exer- (Instr. 3) sion of action action Derivative cisable and Exercise Date Code Securities Ac- Expiration Price of (Month/ (Instr. 8) quired (A) or Date Deriv- Day/ Disposed of (Month/Day/ ative Year) (D) Year) Security (Instr. 3, 4, and 5) -------------------- Date Expir- ---------------------- Exer- ation cisable Date Code V (A) (D) - ------------------------------------------------------------------------------------------------------------------------ Phantom Stock Units 1 for 1 3/31/01 A V 223.294 (1) (1) - ------------------------------------------------------------------------------------------------------------------------ Phantom Stock Units 1 for 1 6/30/01 A V 213.566 (1) (1) - ------------------------------------------------------------------------------------------------------------------------ Phantom Stock Units 1 for 1 9/30/01 A V 201.816 (1) (1) - ------------------------------------------------------------------------------------------------------------------------ Phantom Stock Units 1 for 1 12/31/01 A V 205.313 (1) (1) - ------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------

- ------------------------------------------------------------------------------------------ 7. Title and Amount of Under- 8. Price 9. Number 10. Owner- 11. Na- lying Securities of of Deriv- ship ture of (Instr. 3 and 4) Deriv- ative of Indirect ative Secur- Deriv- Bene- Secur- ities ative ficial ity Bene- Secur- Owner- (Instr. ficially ity: ship 5) Owned Direct (Instr. 4) - ------------------------------------ at End (D) of Year or In- Amount or (Instr. 4) direct Title Number of (I) Shares (Instr. 4) - ------------------------------------------------------------------------------------------ Common Stock 223.294 $26.28 1,456.244 D - ------------------------------------------------------------------------------------------ Common Stock 213.566 $28.08 1,669.810 D - ------------------------------------------------------------------------------------------ Common Stock 201.816 $30.41 1,871.626 D - ------------------------------------------------------------------------------------------ Common Stock 205.313 $30.50 2,076.939 D - ------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------ Explanation of Responses: (1) The phantom stock units were accrued under the Mack-Cali Realty Corporation Deferred Compensation Plan for Directors and are to be settled 100% in Mack-Cali Realty Corporation common stock upon the termination of the reporting person's service on the Board of Directors of Mack-Cali Realty Corporation or upon a change in control of Mack-Cali Realty Corporation. /s/ Irvin D. Reid 2/14/02 ----------------------------------- ----------- **Intentional misstatements or omissions of facts constitute **Signature of Reporting Person Date 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. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number. Page 2 SEC 2270 (7-97)