| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Deep Track Capital, LP | 7.3% | 13,486,400 | 0 | 13,486,400 | /s/ David Kroin | David Kroin, Managing Member of the General Partner of the Investment Adviser | |
| Deep Track Biotechnology Master Fund, Ltd. | 5.8% | 10,609,008 | 0 | 10,609,008 | /s/ David Kroin | David Kroin, Director | |
| David Kroin | 7.3% | 13,486,400 | 0 | 13,486,400 | /s/ David Kroin | David Kroin | |
| Deep Track Special Opportunities Fund, LP. | 1.6% | 2,877,392 | 0 | 2,877,392 | /s/ David Kroin | David Kroin, Managing Member of the General Partner of the Investment Adviser of Deep Track Special Opportunities Fund, LP |