| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Roche Finance Ltd | 6.9% | 2,569,115 | 0 | 2,569,115 | /s/ Carole Nuechterlein | Carole Nuechterlein, Authorized Signatory | |
| Roche Holding Ltd | 6.9% | 2,569,115 | 0 | 2,569,115 | /s/ Peter Trybus | Peter Trybus, Authorized Signatory |