| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| SUVRETTA CAPITAL MANAGEMENT, LLC | 0% | 0 | 0 | 0 | ___________________________________________ | Andrew Nathanson, General Counsel and Chief Compliance Officer | |
| AVERILL MASTER FUND, LTD. | 0% | 0 | 0 | 0 | ___________________________________________ | Andrew Nathanson, Authorized Signatory | |
| AARON COWEN | 0% | 0 | 0 | 0 | ___________________________________________ | Aaron Cowen |