| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Kopernik Global Investors, LLC | 4.5% | 18,694,469 | 0 | 18,142,935 | /s/ Sarah L. Bertrand | Sarah L. Bertrand | |
| David B. Iben | 4.5% | 18,694,469 | 0 | 18,142,935 | /s/ David B. Iben by Sarah L. Bertrand, power of attorney | David B. Iben by Sarah L. Bertrand, power of attorney |