| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| CVI Investments, Inc. | 3.3% | 1,285,410 | 0 | 1,285,410 | /s/ Brian Sopinsky | Brian Sopinsky, Secretary of Heights Capital Management, Inc. | |
| Heights Capital Management, Inc. | 3.3% | 1,285,410 | 0 | 1,285,410 | /s/ Brian Sopinsky | Brian Sopinsky, Secretary |