| Name of Subsidiary | Jurisdiction of Incorporation |
| Diamondback E&P LLC | Delaware |
| Diamondback O&G LLC | Delaware |
| Energen Corporation | Alabama |
| Energen Resources Corporation | Alabama |
| EGN Services, Inc. | Alabama |
| Rattler Midstream GP LLC | Delaware |
| Rattler Midstream Operating LLC | Delaware |
| Rattler Midstream LP | Delaware |
| Tall City Towers LLC | Delaware |
| Viper Energy Partners GP | Delaware |
| Viper Energy Partners LP | Delaware |
| Viper Energy Partners LLC | Delaware |
