| Name of Subsidiary | State of Formation | |||||||
| Riley Exploration – Permian, LLC | DE | |||||||
| Riley Permian Operating Company, LLC | DE | |||||||
| RPC Power HoldCo, LLC | DE | |||||||
| Silverback Exploration II, LLC | DE | |||||||
| Silverback New Mexico, LLC | DE | |||||||
| Silverback Operating II, LLC | DE | |||||||
| Silverback Midstream II, LLC | DE | |||||||
| Silverback 0-1, LLC | DE | |||||||