| Name                                                     | Jurisdiction      of Organization |
|----------------------------------------------------------|-----------------------------------|
| FSP      380 Interlocken Corp.                           | Delaware                          |
| FSP      390 Interlocken LLC                             | Delaware                          |
| FSP      Addison Circle Corp.                            | Delaware                          |
| FSP      Addison Circle Limited Partnership              | Texas                             |
| FSP      Addison Circle LLC                              | Delaware                          |
| FSP      Austin N.W. Limited Partnership                 | Massachusetts                     |
| FSP      Blue Lagoon Drive Corp.                         | Delaware                          |
| FSP      Blue Lagoon Drive LLC                           | Delaware                          |
| FSP      Bollman Place Limited Partnership               | Massachusetts                     |
| FSP      Collins Crossing Corp.                          | Delaware                          |
| FSP      Collins Crossing Limited Partnership            | Texas                             |
| FSP      Collins Crossing LLC                            | Delaware                          |
| FSP      East Baltimore Street LLC                       | Delaware                          |
| FSP      Eldridge Green Corp.                            | Delaware                          |
| FSP      Eldridge Green Limited Partnership              | Texas                             |
| FSP      Eldridge Green LLC                              | Delaware                          |
| FSP      Forest Park IV LLC                              | Delaware                          |
| FSP      Forest Park IV NC Limited Partnership           | North      Carolina               |
| FSP      Goldentop Technology Center Limited Partnership | California                        |
| FSP      Greenwood Plaza Corp.                           | Delaware                          |
| FSP      Hillview Center Limited Partnership             | Massachusetts                     |
| FSP      Holdings LLC                                    | Delaware                          |
| FSP      Innsbrook Corp.                                 | Delaware                          |
| FSP      Investments LLC                                 | Massachusetts                     |
| FSP      Liberty Plaza Limited Partnership               | Texas                             |
| FSP      Lyberty Way Limited Partnership                 | Massachusetts                     |
| FSP      Merrywood Apartments Limited Partnership        | Texas                             |
| FSP      Montague Business Center Corp.                  | Delaware                          |
| FSP      Northwest Point LLC                             | Delaware                          |
| FSP      One Overton Park LLC                            | Delaware                          |
| FSP      Park Seneca Limited Partnership                 | Massachusetts                     |
| FSP      Park Ten Limited Partnership                    | Texas                             |
| FSP      Park Ten LLC                                    | Delaware                          |
| FSP      Property Management LLC                         | Massachusetts                     |
| FSP      Protective TRS Corp.                            | Massachusetts                     |
| FSP      River Crossing LLC                              | Delaware                          |
| FSP      Southfield Centre Limited Partnership           | Massachusetts                     |
| FSP      Willow Bend Office Center Corp.                 | Delaware                          |
| FSP      Willow Bend Office Center Limited Partnership   | Texas                             |
| FSP      Willow Bend Office Center LLC                   | Delaware                          |