| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Darwin Global Management, Ltd. | 7% | 2.62M | 0 | 2.62M | /s/ John Legge | John Legge, Director and Chief Financial Officer | |
| Dr. Abhishek Trehan | 7% | 2.62M | 0 | 2.62M | /s/ Dr. Abhishek Trehan | Dr. Abhishek Trehan, individually | |
| Darwin Global Master Fund, Ltd. | 6.7% | 2.53M | 0 | 2.53M | /s/ John Legge | By: Darwin Global Management, Ltd, its Investment Manager, By: John Legge, Director and Chief Financial Officer |