| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Deep Track Capital, LP | 10% | 10,012,958 | 0 | 10,012,958 | /s/ David Kroin | David Kroin, Managing Member of the General Partner of the Investment Adviser | |
| Deep Track Biotechnology Master Fund, Ltd. | 6.5% | 6,509,387 | 0 | 6,509,387 | /s/ David Kroin | David Kroin, Director | |
| David Kroin | 10% | 10,012,958 | 0 | 10,012,958 | /s/ David Kroin | David Kroin | |
| Deep Track Special Opportunities Fund, LP. | 3.5% | 3,503,571 | 0 | 3,503,571 | /s/ David Kroin | David Kroin, Managing Member of the General Partner of the Investment Adviser of Deep Track Special Opportunities Fund, LP |