| Jurisdiction of Organization | ||||||||
| Earthstone Operating, LLC | Texas | |||||||
| Earthstone Energy Holdings, LLC | Delaware | |||||||
| Lynden Energy Corp. | British Columbia, Canada | |||||||
| Lynden USA Inc. | Utah | |||||||
| Earthstone Permian LLC | Texas | |||||||
| Sabine River Energy, LLC | Texas | |||||||
| Independence Resources Technologies, LLC | Delaware | |||||||