| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Perceptive Advisors LLC | 16% | 255,750 | 0 | 255,750 | /s/ Joseph Edelman | Joseph Edelman, Managing Member | 0001224962 |
| Joseph Edelman | 16% | 255,750 | 0 | 255,750 | /s/ Joseph Edelman | Joseph Edelman | 0001164426 |
| Perceptive Life Sciences Master Fund, Ltd. | 14% | 229,982 | 0 | 229,982 | /s/ Joseph Edelman | Joseph Edelman, Managing Member | 0001249675 |
| Perceptive LS (A), LLC | 1.6% | 25,768 | 0 | 25,768 | Perceptive LS GP, LLC | Joseph Edelman, Member | 0001797811 |