| Armstrong Operating, Inc. |
2608500 |
| Bta Oil Producers, LLC |
21784100 |
| Continental Resources, Inc. |
5782500 |
| Core 54 Oil And Gas, LLC |
27194200 |
| Denbury Onshore, LLC |
28073000 |
| Earthstone Operating, LLC |
39996700 |
| Energy Equity Company |
22657300 |
| Energyquest II, LLC |
35637300 |
| Hess Bakken Investments II, LLC |
25388500 |
| Kaiser-Francis Oil Company |
|
| KRB Enterprise, Inc. |
|
| Medora Minerals, LLC |
32006100 |
| Murex Petroleum Corporation |
|
| New Millennium Resources, Inc. |
14895800 |
| Petro-Hunt Dakota, LLC |
|
| Scout Energy Management LLC |
39919200 |
| SM Energy Company |
8968600 |
| Thunderbird Resources LP |
35973700 |
| True Oil LLC |
|
| Wesco Operating, Inc. |
11258900 |
| White Rock Oil & Gas, LLC |
38891000 |
| Whiting Oil And Gas Corporation |
|