| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| TCG Crossover GP II, LLC | 9.2% | 11,390,175 | 0 | 11,390,175 | /s/ Craig Skaling | Craig Skaling, Authorized Signatory | |
| TCG Crossover Fund II, L.P. | 9.2% | 11,390,175 | 0 | 11,390,175 | /s/ Craig Skaling | Craig Skaling, Authorized Signatory | |
| Chen Yu | 9.2% | 11,390,175 | 0 | 11,390,175 | /s/ Craig Skaling | Craig Skaling, as Attorney-in-Fact for Chen Yu |