| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Kopernik Global Investors, LLC | 5% | 5,161,700 | 0 | 4,643,600 | /s/Sarah L. Bertrand | Sarah L. Bertrand General Counsel and Chief Compliance Officer | |
| David B. Iben | 5% | 5,161,700 | 0 | 4,643,600 | /s/ David B. Iben by Sarah L. Bertrand, power of attorney | David B. Iben by Sarah L. Bertrand, power of attorney |