| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| CVI Investments, Inc. | 9.9% | 5,834,871 | 0 | 5,834,871 | /s/ Sarah Travis | Sarah Travis, Assistant General Counsel and Assistant Secretary of Heights Capital Management, Inc. | |
| Heights Capital Management, Inc. | 9.9% | 5,834,871 | 0 | 5,834,871 | /s/ Sarah Travis | Sarah Travis, Assistant General Counsel and Assistant Secretary |