| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Gates Frontier, LLC | 1.4% | 2.37M | 2.37M | /s/ Alan Heuberger | Attorney-in-fact for Michael Larson, Manager | ||
| William H. Gates III | 1.4% | 2.37M | 2.37M | /s/ Alan Heuberger | Attorney-in-fact |