| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Deep Track Capital, LP | 8.7% | 11,454,000 | 0 | 11,454,000 | /s/ David Kroin | David Kroin, Managing Member of the General Partner of the Investment Adviser | |
| Deep Track Biotechnology Master Fund, Ltd. | 6.8% | 8,953,630 | 0 | 8,953,630 | /s/ David Kroin | David Kroin, Director | |
| David Kroin | 8.7% | 11,454,000 | 0 | 11,454,000 | /s/ David Kroin | David Kroin | |
| Deep Track Special Opportunities Fund, LP. | 1.9% | 2,500,370 | 0 | 2,500,370 | /s/ David Kroin | David Kroin, Managing Member of the General Partner of the Investment Adviser of Deep Track Special Opportunities Fund, LP |