| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Robert Bosch GmbH | 0% | 0 | 0 | 0 | /s/ Wayne Zhang, Attorney in Fact | Stefan Hartung, Chief Executive Officer | |
| Robert Bosch Industrieteuhand KG | 0% | 0 | 0 | 0 | /s/ Wayne Zhang, Attorney in Fact | Stefan Asenkerschbaumer, General Partner |