| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Nantahala Capital Management, LLC | 14.4% | 1.09M | 0 | 1.09M | /s/ Taki Vasilakis | Taki Vasilakis, Chief Compliance Officer | 0001472322 |
| Harkey Wilmot B. | 14.4% | 1.09M | 0 | 1.09M | /s/ Wilmot B. Harkey | Wilmot B. Harkey | 0001775952 |
| Mack Daniel | 14.4% | 1.09M | 0 | 1.09M | /s/ Daniel Mack | Daniel Mack | 0001775831 |