| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Deep Track Capital, LP | 7.21% | 5.5M | 0 | 5.5M | /s/ David Kroin | David Kroin, Managing Member of the General Partner of the Investment Adviser | |
| Deep Track Biotechnology Master Fund, Ltd. | 7.21% | 5.5M | 0 | 5.5M | /s/ David Kroin | David Kroin, Director | |
| David Kroin | 7.21% | 5.5M | 0 | 5.5M | /s/ David Kroin | David Kroin |