| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Octagon Capital Advisors LP | 6.1% | 2,416,667 | 0 | 2,416,667 | /s/ Ting Jia | Managing Member | |
| Octagon Investments Master Fund LP | 5.3% | 2,125,000 | 0 | 2,125,000 | /s/ Ting Jia | Managing Member, Octagon Investments GP, LLC, its general partner | |
| Octagon Private Opportunities Fund II LP | 0.7% | 291,667 | 0 | 291,667 | /s/ Ting Jia | Managing Member, Octagon Investments GP, LLC, its general partner | |
| Ting Jia | 6.1% | 2,416,667 | 0 | 2,416,667 | /s/ Ting Jia | Ting Jia |