| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| BVCF IV, L.P. | 5% | 2,191,810 | 0 | 2,191,810 | By: BVCF IV GP, Ltd., its general partner /s/ Zhi Yang | Zhi Yang/Director | |
| BEYEOTECH | 5% | 2,191,810 | 0 | 2,191,810 | /s/ Bernard Yang Feng | Bernard Yang Feng/Director | |
| BVCF IV GP, Ltd. | 5% | 2,191,810 | 0 | 2,191,810 | /s/ Zhi Yang | Zhi Yang/Director | |
| Zhi Yang | 5% | 2,191,810 | 0 | 2,191,810 | /s/ Zhi Yang | Zhi Yang |