| Name of Subsidiary | Jurisdiction of Incorporation or Organization | |||||||
| 7N, LLC | Delaware | |||||||
| 8 North, LLC | Delaware | |||||||
| Axis Exploration, LLC | Delaware | |||||||
| Extraction Finance Corp. | Delaware | |||||||
| Mountaintop Minerals, LLC | Delaware | |||||||
| Northwest Corridor Holdings, LLC | Delaware | |||||||
| Table Mountain Resources, LLC | Delaware | |||||||
| XOG Services, LLC | Delaware | |||||||
| XTR Midstream, LLC | Delaware | |||||||