| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Encompass Capital Advisors LLC | 7% | 2,500,589 | 0 | 2,500,589 | Todd J. Kantor | Todd J. Kantor | Managing Member | |
| Todd J. Kantor | 7% | 2,500,589 | 0 | 2,500,589 | Todd J. Kantor | Todd J. Kantor | Self | |
| Encompass Capital Partners LLC | 5.5% | 1,974,464 | 0 | 1,974,464 | Todd J. Kantor | Todd J. Kantor | Managing Member |