| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| General Motors Ventures LLC | 0.8% | 2,385,124 | 0 | 2,385,124 | /s/ Todd Miller | Assistant Secretary | |
| General Motors Holdings LLC | 1.2% | 3,921,950 | 0 | 3,921,950 | /s/ John S. Kim | Assistant Secretary | 0001497345 |
| General Motors Company | 1.2% | 3,921,950 | 0 | 3,921,950 | /s/ John S. Kim | Assistant Corporate Secretary |