| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Octagon Capital Advisors LP | 7.1% | 2,110,167 | 0 | 2,110,167 | /s/ Ting Jia | Managing Member | |
| Octagon Investments Master Fund LP | 6.1% | 1,818,500 | 0 | 1,818,500 | /s/ Ting Jia | Managing Member, Octagon Investments GP, LLC, its general partner | |
| Octagon Private Opportunities Fund II LP | 1% | 291,667 | 0 | 291,667 | /s/ Ting Jia | Managing Member, Octagon Investments GP, LLC, its general partner | |
| Ting Jia | 7.1% | 2,110,167 | 0 | 2,110,167 | /s/ Ting Jia | Ting Jia |