| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Rio Tinto plc | 9.5% | 19,004,925 | 19,004,925 | 0 | /s/ Andy Hodges | Andy Hodges, Company Secretary | 0000863064 |
| Rio Tinto Canada Inc. | 9.5% | 19,004,925 | 0 | 19,004,925 | /s/ Julie Parent | Julie Parent, Director |