| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| CVI Investments, Inc. | 5.1% | 1M | 0 | 1M | /s/ Brian Sopinsky | Brian Sopinsky, Secretary of Heights Capital Management, Inc. | |
| Heights Capital Management, Inc. | 5.1% | 1M | 0 | 1M | /s/ Brian Sopinsky | Brian Sopinsky, Secretary |