| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Diamondback Energy, Inc. | 0% | 0 | 0 | 0 | /s/ Teresa L. Dick | Teresa L. Dick/Executive Vice President, Chief Accounting Officer and Assistant Secretary | 0001539838 |
| Diamondback E&P LLC | 0% | 0 | 0 | 0 | /s/ Teresa L. Dick | Teresa L. Dick/Executive Vice President, Chief Accounting Officer and Assistant Secretary | |
| Endeavor Energy Resources, L.P. | 0% | 0 | 0 | 0 | /s/ Teresa L. Dick | Teresa L. Dick/Executive Vice President, Chief Accounting Officer and Assistant Secretary |