| | | | | | | | |
| Subsidiary | | State of Organization |
| Piedmont Operating Partnership, LP | | Delaware |
| Piedmont Government Services, LLC | | Georgia |
| Piedmont Leasing, LLC | | Delaware |
| Piedmont Lending II, LLC | | Delaware |
| Piedmont Office Holdings, Inc. | | Georgia |
| Piedmont Office Holdings II, Inc. | | Georgia |
| Piedmont Office Management, LLC | | Georgia |
| Piedmont Washington Properties, Inc. | | Maryland |
| 1201 Equity LLC | | Delaware |
| 1201 Eye Street, N.W. Associates LLC | | Delaware |
| 1215 ESDI, LLC | | Delaware |
| 1225 Equity LLC | | Delaware |
| 1225 Eye Street, N.W. Associates LLC | | Delaware |
| 400 TownPark, LLC | | Delaware |
| 400 Virginia Avenue LLC | | Delaware |
| 4250 N. Fairfax Owner, LLC | | Delaware |
| 4250 North Fairfax Property LLC | | Delaware |
| Enclave Place, GP, LLC | | Delaware |
| Enclave Place, LP | | Delaware |
| Gavitello Atlanta, LLC | | Delaware |
| Glenridge Highlands III, LLC | | Delaware |
| Medici Atlanta, LLC | | Delaware |
| Meridian Crossings, LLC | | Delaware |
| Piedmont - 1430 Enclave Parkway, GP, LLC | | Delaware |
| Piedmont - 1430 Enclave Parkway, L.P. | | Delaware |
| Piedmont - 3100 Clarendon LLC | | Delaware |
| Piedmont - 800 Nicollet Avenue Owner, LLC | | Delaware |
| Piedmont - 800 Nicollet Avenue Springing Member, LLC | | Delaware |
| Piedmont - 800 Nicollet Avenue, LLC | | Delaware |
| Piedmont – 901 N. Glebe, LLC | | Delaware |
| Piedmont - Las Colinas Corporate Center I, GP, LLC | | Delaware |
| Piedmont - Las Colinas Corporate Center I, LP | | Delaware |
| Piedmont - Las Colinas Corporate Center II, GP, LLC | | Delaware |
| Piedmont - Las Colinas Corporate Center II, LP | | Delaware |
| Piedmont - Las Colinas Springing Member, LLC | | Delaware |
| Piedmont 100 Galleria, LLC | | Delaware |
| Piedmont 1155 PCW, LLC | | Delaware |
| Piedmont 1180 Peachtree, LLC | | Delaware |
| Upper Tier Piedmont 1180 Peachtree, LLC | | Delaware |
| Piedmont 1180 Land, LLC | | Delaware |
| Piedmont 161 Corporate Center GP, LLC | | Delaware |
| Piedmont 161 Corporate Center, LP | | Delaware |
| Piedmont 400 Galleria, LLC | | Delaware |
| Piedmont 500 Galleria Land, LLC | | Delaware |