----

| Subsidiary                               |   | State of Incorporation or Organization |
|------------------------------------------|--------|------------------------------------------------------------|
|                                     |   |                                                       |
| 1      COMMERCE REALTY L.L.C.            |   | NJ                                                         |
| 1      EXECUTIVE REALTY L.L.C.           |   | NJ                                                         |
| 1      JEFFERSON REALTY L.L.C.           |   | NJ                                                         |
| 2      COMMERCE REALTY L.L.C.            |   | NJ                                                         |
| 2      EXECUTIVE REALTY L.L.C.           |   | NJ                                                         |
| 2      PARAGON REALTY L.L.C.             |   | DE                                                         |
| 2      TWOSOME REALTY L.L.C.             |   | NJ                                                         |
| 3      CAMPUS REALTY LLC                 |   | DE                                                         |
| 3      ODELL REALTY L.L.C.               |   | NY                                                         |
| 3      PARAGON REALTY L.L.C.             |   | DE                                                         |
| 4      GATEHALL REALTY L.L.C.            |   | NJ                                                         |
| 4      PARAGON REALTY L.L.C.             |   | NJ                                                         |
| 4      SENTRY HOLDING L.L.C.             |   | DE                                                         |
| 4      SENTRY REALTY L.L.C.              |   | DE                                                         |
| 5      WOOD HOLLOW REALTY, L.L.C.        |   | NJ                                                         |
| 5/6      SKYLINE REALTY L.L.C.           |   | NY                                                         |
| 9      CAMPUS REALTY L.L.C.              |   | NJ                                                         |
| 11      COMMERCE DRIVE ASSOCIATES L.L.C. |   | NJ                                                         |
| 12      SKYLINE ASSOCIATES L.L.C.        |   | NY                                                         |
| 12      VREELAND REALTY L.L.C.           |   | DE                                                         |
| 14/16      SKYLINE REALTY L.L.C.         |   | NY                                                         |
| 14      COMMERCE REALTY L.L.C.           |   | NJ                                                         |
| 20      COMMERCE DRIVE ASSOCIATES L.L.C. |   | NJ                                                         |
| 25      COMMERCE REALTY, L.L.C.          |   | NJ                                                         |
| 30      TWOSOME REALTY L.L.C.            |   | NJ                                                         |
| 31      TWOSOME REALTY L.L.C.            |   | NJ                                                         |
| 35      WATERVIEW HOLDING L.L.C.         |   | DE                                                         |
| 35      WATERVIEW SPE LLC                |   | DE                                                         |
| 40      TWOSOME REALTY L.L.C.            |   | NJ                                                         |
| 41      TWOSOME REALTY L.L.C.            |   | NJ                                                         |
| 50      TWOSOME REALTY L.L.C.            |   | NJ                                                         |
| 55      CORPORATE REALTY L.L.C.          |   | DE                                                         |
| 78/PINSON      PARTNERS L.L.C.           |   | NJ                                                         |
| 97      FORSTER REALTY L.L.C.            |   | NJ                                                         |
| 100      KIMBALL REALTY L.L.C.           |   | NJ                                                         |
| 100      WILLOWBROOK REALTY L.L.C.       |   | DE                                                         |
| 101      COMMERCE REALTY L.L.C.          |   | NJ                                                         |
| 101      EXECUTIVE REALTY L.L.C.         |   | NJ                                                         |
| 102      EXECUTIVE REALTY L.L.C.         |   | NJ                                                         |
| 105      CHALLENGER HOLDING L.L.C.       |   | DE                                                         |
| 105      CHALLENGER OWNER LLC            |   | NJ                                                         |
| 120      PASSAIC STREET L.L.C.           |   | NJ                                                         |
| 201      COMMERCE REALTY L.L.C.          |   | NJ                                                         |
| 201      WILLOWBROOK FUNDING L.L.C.      |   | NJ                                                         |
| 225      CORPORATE REALTY L.L.C.         |   | NY                                                         |
| 225      EXECUTIVE REALTY L.L.C.         |   | NJ                                                         |
| 232      STRAWBRIDGE REALTY L.L.C.       |   | NJ                                                         |
| 300      HORIZON REALTY L.L.C.           |   | NJ                                                         |
| 300      TICE REALTY ASSOCIATES L.L.C.   |   | NJ                                                         |
| 343      THORNALL HOLDING L.L.C.         |   | DE                                                         |

----

| 343      THORNALL SPE LLC                                       |   | DE |
|-----------------------------------------------------------------|--------|----|
| 395      W. PASSAIC L.L.C.                                      |   | NJ |
| 400      CHESTNUT REALTY L.L.C.                                 |   | NJ |
| 400      RELLA REALTY ASSOCIATES L.L.C.                         |   | NY |
| 461      FROM REALTY L.L.C.                                     |   | NJ |
| 470      CHESTNUT REALTY L.L.C.                                 |   | NJ |
| 500      COLUMBIA TURNPIKE ASSOCIATES L.L.C.                    |   | NJ |
| 500      WEST PUTNAM L.L.C.                                     |   | CT |
| 530      CHESTNUT REALTY L.L.C.                                 |   | NJ |
| 600      HORIZON CENTER L.L.C.                                  |   | NJ |
| 600      PARSIPPANY ASSOCIATES L.L.C.                           |   | NJ |
| 800      MAIN STREET, L.L.C.                                    |   | DE |
| 1256      N. CHURCH REALTY L.L.C.                               |   | NJ |
| 1266      SOUNDVIEW REALTY L.L.C.                               |   | CT |
| 1507      LANCER REALTY L.L.C.                                  |   | NJ |
| 1717      REALTY ASSOCIATES L.L.C.                              |   | NJ |
| A-B      OFFICE MEADOWLANDS MACK-CALI LIMITED PARTNERSHIP       |   | DE |
| AIRPORT      PROPERTIES ASSOCIATES L.L.C.                       |   | NJ |
| BELMAR      REALTY PARTNERS, LLC                                |   | DE |
| BMP      MOORESTOWN REALTY L.L.C.                               |   | NJ |
| BMP      SOUTH REALTY L.L.C.                                    |   | NJ |
| BRIDGE      PLAZA REALTY ASSOCIATES L.L.C.                      |   | NJ |
| C.W.      ASSOCIATES L.L.C.                                     |   | NJ |
| C-D      OFFICE MEADOWLANDS MACK-CALI LIMITED PARTNERSHIP       |   | DE |
| CAL-HARBOR      II & III URBAN RENEWAL ASSOCIATES L.P. |   | NJ |
| CAL-HARBOR      IV URBAN RENEWAL ASSOCIATES L.P.                |   | NJ |
| CAL-HARBOR      V LEASING ASSOCIATES L.L.C.                     |   | NJ |
| CAL-HARBOR      V URBAN RENEWAL ASSOCIATES L.P.                 |   | NJ |
| CAL-HARBOR      VI URBAN RENEWAL ASSOCIATES L.P.                |   | NJ |
| CAL-HARBOR      VII LEASING ASSOCIATES L.L.C.                   |   | NJ |
| CAL-HARBOR      VII URBAN RENEWAL ASSOCIATES L.P.               |   | NJ |
| CAL-HARBOR      SO. PIER URBAN RENEWAL ASSOCIATES L.P.          |   | NJ |
| CALI      HARBORSIDE (FEE) ASSOCIATES L.P.                      |   | NJ |
| CAMPUS      CONSERVATION AND MANAGEMENT, INC.                   |   | NJ |
| CENTURY      PLAZA ASSOCIATES L.L.C.                            |   | NJ |
| CLEARBROOK      ROAD ASSOCIATES L.L.C.                          |   | NY |
| COLLEGE      ROAD REALTY L.L.C.                                 |   | NJ |
| COMMERCENTER      REALTY ASSOCIATES L.L.C.                      |   | NJ |
| CROSS      WESTCHESTER REALTY ASSOCIATES L.L.C.                 |   | NY |
| CWLT      ROSELAND EXCHANGE L.L.C.                              |   | NJ |
| D.B.C.      REALTY L.L.C.                                       |   | NJ |
| ELEVENTH      SPRINGHILL LAKE ASSOCIATES, LLC                   |   | MD |
| ELMSFORD      REALTY ASSOCIATES L.L.C.                          |   | NY |
| EMPIRE      STATE VEHICLE LEASING L.L.C.                        |   | NY |
| FIVE      SENTRY REALTY ASSOCIATES L.P.                         |   | PA |
| FOURTEENTH      SPRINGHILL LAKE ASSOCIATES L.L.C.               |   | DE |
| GMW      VILLAGE ASSOCIATES, L.L.C.                             |   | DE |
| GALE      CONSTRUCTION COMPANY, INC.                            |   | PA |
| GARDEN      STATE VEHICLE LEASING L.L.C.                        |   | NJ |
| GREENBELT/SPRINGHILL      LAKE ASSOCIATES L.L.C.                |   | MD |
| HARBORSIDE      HOSPITALITY CORP.                               |   | NJ |
| HORIZON      CENTER REALTY ASSOCIATES L.L.C.                    |   | NJ |
| JUMPING      BROOK REALTY ASSOCIATES L.L.C.                     |   | NJ |
| KEMBLE      PLAZA II REALTY L.L.C.                              |   | NJ |
| KEYSTONE      VEHICLE LEASING L.L.C.                            |   | PA |
| KNIGHTSBRIDGE      REALTY L.L.C.                                |   | NJ |

----

| LINWOOD      REALTY L.L.C.                      |   | NJ |
|-------------------------------------------------|--------|----|
| LITTLETON      REALTY ASSOCIATES L.L.C.         |   | NJ |
| M-C      2 SOUTH GOLD L.L.C.                    |   | NJ |
| M-C      3 AAA L.L.C.                           |   | NJ |
| M-C      3 CAMPUS, LLC                          |   | DE |
| M-C      5 AAA L.L.C.                           |   | NJ |
| M-C      6 AAA L.L.C.                           |   | NJ |
| M-C      125 BROAD A L.L.C.                     |   | DE |
| M-C      125 BROAD C L.L.C.                     |   | DE |
| M-C      BELMAR, LLC                            |   | DE |
| M-C      CALIFORNIA SERVICES, INC.              |   | DE |
| M-C      CAPITOL ASSOCIATES L.L.C.              |   | DE |
| M-C      CHURCH REALTY L.L.C.                   |   | NJ |
| M-C      HARBORSIDE PROMENADE LLC               |   | NJ |
| M-C      HARSIMUS PARTNERS L.L.C.               |   | NJ |
| M-C      HUDSON LLC                             |   | NJ |
| M-C      HUDSON STREET LLC                      |   | NJ |
| M-C      KIMBALL, LLC                           |   | DE |
| M-C      LENOLA REALTY L.L.C.                   |   | NJ |
| M-C      METROPOLITAN REALTY L.L.C.             |   | NJ |
| M-C      NEWARK L.L.C.                          |   | DE |
| M-C      PENN MANAGEMENT TRUST                  |   | MD |
| M-C      PLAZA II & III LLC            |   | NJ |
| M-C      PLAZA IV LLC                           |   | NJ |
| M-C      PLAZA V LLC                            |   | NJ |
| M-C      PLAZA VI & VII LLC            |   | NJ |
| M-C      PROPERTIES CO. REALTY L.L.C.           |   | NJ |
| M-C      RED BANK REALTY L.L.C.                 |   | NJ |
| M-C      ROCKLAND PARTNERS L.P.                 |   | NY |
| M-C      ROSETREE REALTY, LLC                   |   | PA |
| M-C      ROUTE 93 REALTY L.L.C.                 |   | DE |
| M-C      TRANSIT, LLC                           |   | DE |
| M-C      VREELAND, LLC                          |   | DE |
| M-C      WASHINGTON STREET L.L.C.               |   | DE |
| MACK-CALI      ADVANTAGE SERVICES CORPORATION   |   | DE |
| MACK-CALI      AIRPORT REALTY ASSOCIATES L.P.   |   | PA |
| MACK-CALI      B PROPERTIES, L.L.C.             |   | NJ |
| MACK-CALI      BRIDGEWATER CO., L.P.            |   | NJ |
| MACK-CALI      BUILDING V ASSOCIATES L.L.C.     |   | NJ |
| MACK-CALI      BUSINESS CAMPUS ASSOCIATES, INC. |   | NJ |
| MACK-CALI      CALIFORNIA PARTNERS L.P.         |   | CA |
| MACK-CALI      CAMPUS REALTY L.L.C.             |   | NJ |
| MACK-CALI      CHESTNUT RIDGE, L.L.C.           |   | NJ |
| MACK-CALI      CW REALTY ASSOCIATES L.L.C.      |   | NY |
| MACK-CALI      D.C. MANAGEMENT CORP             |   | DE |
| MACK-CALI      E-COMMERCE L.L.C.                |   | DE |
| MACK-CALI      EAST LAKEMONT L.L.C.             |   | NJ |
| MACK-CALI      F PROPERTIES L.P.                |   | NJ |
| MACK-CALI      FACILITY, LLC                    |   | NJ |

----

| MACK-CALI      FREEHOLD L.L.C.                     |   | NJ |
|----------------------------------------------------|--------|----|
| MACK-CALI      GLENDALE LIMITED PARTNERSHIP        |   | AZ |
| MACK-CALI      HAMILTON, L.L.C.                    |   | NJ |
| MACK-CALI      HOLMDEL L.L.C.                      |   | DE |
| MACK-CALI      JOHNSON ROAD L.L.C.                 |   | NJ |
| MACK-CALI      MANAGEMENT L.L.C.                   |   | DE |
| MACK-CALI      MATAWAN L.L.C.                      |   | NJ |
| MACK-CALI      MEADOWLANDS ENTERTAINMENT L.L.C.    |   | NJ |
| MACK-CALI      MEADOWLANDS SPECIAL L.L.C.          |   | NJ |
| MACK-CALI      MID-WEST REALTY ASSOCIATES L.L.C.   |   | NY |
| MACK-CALI      MORRIS REALTY L.L.C.                |   | NJ |
| MACK-CALI      PENNSYLVANIA REALTY ASSOCIATES L.P. |   | PA |
| MACK-CALI      PLAZA I L.L.C.                      |   | NJ |
| MACK-CALI      PROPERTY TRUST                      |   | MD |
| MACK-CALI      REALTY ACQUISITION CORP.            |   | DE |
| MACK-CALI      REALTY CONSTRUCTION CORPORATION     |   | NJ |
| MACK-CALI      SERVICES, INC.                      |   | NJ |
| MACK-CALI      SHORT HILLS L.L.C.                  |   | NJ |
| MACK-CALI      SO. WEST REALTY ASSOCIATES L.L.C.   |   | NY |
| MACK-CALI      SPRINGING L.L.C.                    |   | DE |
| MACK-CALI      SUB I, INC.                         |   | DE |
| MACK-CALI      SUB III, INC.                       |   | DE |
| MACK-CALI      SUB X, INC.                         |   | DE |
| MACK-CALI      SUB XI, INC.                        |   | DE |
| MACK-CALI      SUB XIV, INC.                       |   | DE |
| MACK-CALI      SUB XV, TRUST                       |   | MD |
| MACK-CALI      SUB XVII, INC.                      |   | DE |
| MACK-CALI      SUB XXII, INC.                      |   | DE |
| MACK-CALI      TAXTER ASSOCIATES L.L.C.            |   | NY |
| MACK-CALI      TEXAS PROPERTY L.P.                 |   | TX |
| MACK-CALI      TRANSIT VILLAGE LLC                 |   | DE |
| MACK-CALI      TRS HOLDING CORPORATION             |   | DE |
| MACK-CALI      VENTURES L.L.C.                     |   | DE |
| MACK-CALI      WOODBRIDGE L.L.C.                   |   | NJ |
| MACK-CALI      WP REALTY ASSOCIATES L.L.C.         |   | NY |
| MACK-CALI-R      COMPANY NO. 1 L.P.                |   | NJ |
| MAIN-MARTINE      MAINTENANCE CORP.                |   | NY |
| MAPLE      4 CAMPUS REALTY L.L.C.                  |   | NJ |
| MAPLE      6 CAMPUS REALTY L.L.C.                  |   | NJ |
| MC      HUDSON HOLDING L.L.C.                      |   | NJ |
| MC      HUDSON REALTY L.L.C.                       |   | NJ |
| MC      ONE RIVER GENERAL L.L.C.                   |   | NJ |
| MC      ONE RIVER LIMITED L.L.C.                   |   | NJ |
| MCPT      TRS HOLDING CORPORATION                  |   | DE |
| MCPT      TRUST                                    |   | DE |
| MCRC      TRUST                                    |   | DE |
| MC-SJP      PINSON DEVELOPMENT, L.L.C.             |   | DE |
| MID-WEST      MAINTENANCE CORP.                    |   | NY |
| MID-WESTCHESTER      REALTY ASSOCIATES L.L.C.      |   | NY |
| MONMOUTH/ATLANTIC      REALTY ASSOCIATES L.L.C.    |   | NJ |

----

| MONUMENT      150 REALTY L.L.C.                              |   | DE |
|--------------------------------------------------------------|--------|----|
| MONUMENT      HOLDING L.L.C.                                 |   | DE |
| MOORESTOWN      REALTY ASSOCIATES L.L.C.                     |   | NJ |
| MOUNT      AIRY REALTY ASSOCIATES L.L.C.                     |   | NJ |
| MOUNTAINVIEW      REALTY L.L.C.                              |   | NJ |
| OFFICE      ASSOCIATES L.L.C.                                |   | NJ |
| ONE      RIVER ASSOCIATES                                    |   | NJ |
| ONE      SYLVAN REALTY, L.L.C.                               |   | NJ |
| NEWARK      CENTER HOLDING L.L.C.                            |   | DE |
| PALLADIUM      REALTY L.L.C.                                 |   | NJ |
| PARSIPPANY      4/5 REALTY L.L.C.                            |   | NJ |
| PARSIPPANY      CAMPUS REALTY ASSOCIATES L.L.C.              |   | NJ |
| PHELAN      REALTY ASSOCIATES L.P.                           |   | CA |
| PLAZA      VIII & IX ASSOCIATES L.L.C.              |   | NJ |
| PRINCETON      CORPORATE CENTER REALTY ASSOCIATES L.L.C.     |   | NJ |
| PRINCETON      JUNCTION METRO OFFICE CENTER ASSOCIATES, INC. |   | NJ |
| PRINCETON      OVERLOOK REALTY L.L.C.                        |   | NJ |
| RAMLAND      REALTY ASSOCIATES L.L.C.                        |   | NY |
| ROSELAND      II L.L.C.                                      |   | NJ |
| ROSELAND      OWNERS ASSOCIATES L.L.C.                       |   | NJ |
| SENTRY      PARK WEST L.L.C.                                 |   | PA |
| SIX      COMMERCE DRIVE ASSOCIATES L.L.C.                    |   | NJ |
| SIXTEENTH      SPRINGHILL LAKES ASSOCIATES L.L.C.            |   | MD |
| SKYLINE      REALTY L.L.C.                                   |   | NY |
| SO.      WESTCHESTER REALTY ASSOCIATES L.L.C.                |   | NY |
| SOUTH-WEST      MAINTENANCE CORP.                            |   | NY |
| STEVENS      AIRPORT REALTY ASSOCIATES L.P.                  |   | PA |
| SYLVAN/CAMPUS      REALTY L.L.C.                             |   | NJ |
| TALLEY      MAINTENANCE CORP.                                |   | NY |
| TALLEYRAND      REALTY ASSOCIATES L.L.C.                     |   | NY |
| TENTH      SPRINGHILL LAKE ASSOCIATES, LLC                   |   | DE |
| TERRI      REALTY ASSOCIATES L.L.C.                          |   | NJ |
| THE      GALE COMPANY, L.L.C.                                |   | NJ |
| THE      GALE CONSTRUCTION COMPANY, L.L.C.                   |   | DE |
| THE      GALE CONSTRUCTION SERVICES COMPANY, L.L.C.          |   | DE |
| THE      GALE CONTRACTING COMPANY, L.L.C.                    |   | DE |
| THE      GALE INVESTMENT SERVICES COMPANY, L.L.C.            |   | DE |
| THE      GALE MANAGEMENT COMPANY, L.L.C.                     |   | DE |
| THE      GALE REAL ESTATE ADVISORS COMPANY, L.L.C.           |   | DE |
| THE      GALE REAL ESTATE SERVICES COMPANY L.L.C.            |   | DE |
| THE      GALE SERVICES COMPANY, L.L.C.                       |   | DE |
| THE      HORIZON CENTER PROPERTY OWNERS ASSOCIATION, INC.    |   | NJ |
| TRIAD      REALTY ASSOCIATES L.L.C.                          |   | DE |
| TRIAD      REALTY HOLDINGS L.L.C.                            |   | DE |
| TWELFTH      SPRINGHILL LAKE ASSOCIATES, LLC                 |   | MD |
| VAUGHN      PARTNERS L.L.C.                                  |   | NJ |
| VAUGHN      PRINCETON ASSOCIATES L.L.C.                      |   | NJ |
| WEST      AVENUE REALTY ASSOCIATES L.L.C.                    |   | CT |
| WEST-AVE.      MAINTENANCE CORP.                             |   | CT |
| WHITE      PLAINS REALTY ASSOCIATES L.L.C.                   |   | NY |

----