| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Octagon Capital Advisors LP | 7.8% | 1M | 0 | 1M | /s/ Ting Jia | Managing Member | |
| Octagon Investments Master Fund LP | 5.1% | 650K | 0 | 650K | /s/ Ting Jia | Managing Member, Octagon Investments GP, LLC, its general partner | |
| Octagon Private Opportunities Fund II LP | 2.7% | 350K | 0 | 350K | /s/ Ting Jia | Managing Member, Octagon Investments GP, LLC, its general partner | |
| Ting Jia | 7.8% | 1M | 0 | 1M | /s/ Ting Jia | Ting Jia |