| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Potomac Capital Management Inc. | 8.6% | 408K | 408K | 0 | /s/ Paul J. Solit | Paul J. Solit / Authorized Signatory | |
| Paul J. Solit | 8.6% | 409K | 409K | 0 | /s/ Paul J. Solit | N/A | |
| Potomac Capital Management V LLC | 8.6% | 408K | 408K | 0 | /s/ Paul J. Solit | Paul J. Solit / Authorized Signatory | |
| Potomac Capital Partners V, LP | 8.6% | 408K | 408K | 0 | /s/ Paul J. Solit | Paul J. Solit / Authorized Signatory |