| Name | State of Formation, Organization or Incorporation | |||||||
| EQC 17th Street Plaza LLC | Delaware | |||||||
| EQC Capitol Tower Property LLC | Delaware | |||||||
| EQC Capitol Tower QRS, Inc. | Delaware | |||||||
| EQC Herald Square Property LLC | Delaware | |||||||
| EQC Operating Trust | Maryland | |||||||
| EQC Securities LLC | Delaware | |||||||
| EQC TRS LLC | Delaware | |||||||
| Equity Commonwealth LLC | Delaware | |||||||
| Equity Commonwealth Management LLC | Delaware | |||||||