| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Deep Track Capital, LP | 4.5% | 2,161,510 | 0 | 2,161,510 | /s/ David Kroin | David Kroin, Managing Member of the General Partner of the Investment Adviser | |
| Deep Track Biotechnology Master Fund, Ltd. | 3.9% | 1,899,455 | 0 | 1,899,455 | /s/ David Kroin | David Kroin, Director | |
| David Kroin | 4.5% | 2,161,510 | 0 | 2,161,510 | /s/ David Kroin | David Kroin | |
| Deep Track Special Opportunities Fund, LP. | 0.54% | 262,055 | 0 | 262,055 | /s/ David Kroin | David Kroin, Managing Member of the General Partner of the Investment Adviser of Deep Track Special Opportunities Fund, LP |