| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Encompass Capital Advisors LLC | 7.1% | 7,103,284 | 0 | 7,103,284 | Todd J. Kantor | Todd J. Kantor | Managing Member | |
| Encompass Capital Partners LLC | 5.7% | 5,687,836 | 0 | 5,687,836 | Todd J. Kantor | Todd J. Kantor | Managing Member | |
| Todd J. Kantor | 5.7% | 7,103,284 | 0 | 7,103,284 | Todd J. Kantor | Todd J. Kantor | |
| Encompass Capital Master Fund L.P. | 4.1% | 4,129,164 | 0 | 4,129,164 | Todd J. Kantor | Todd J. Kantor | Director |