| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Fairmount Funds Management LLC | 9.9% | 5,869,037 | 0 | 5,869,037 | /s/ Peter Harwin | Peter Harwin, Managing Member | |
| Fairmount Healthcare Fund II GP LLC | 9.9% | 5,869,037 | 0 | 5,869,037 | /s/ Peter Harwin | Peter Harwin, Managing Member |