| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Hudson Executive Capital LP | 12.76% | 9.32M | 48.7K | 9.27M | /s/ Douglas L. Braunstein | Douglas L. Braunstein, Managing Member | 0001652522 |
| HEC Management GP LLC | 12.76% | 9.32M | 0 | 9.32M | /s/ Douglas L. Braunstein | Douglas L. Braunstein, Managing Member | |
| Douglas L. Braunstein | 12.78% | 9.34M | 20.2K | 9.32M | /s/ Douglas L. Braunstein | Douglas L. Braunstein |