| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Beijing Qiushi Chenxing Consulting Center (Limited Partnership) | 8.5% | 10,243,145 | 10,243,145 | 0 | /s/ Yang Zhou | Yang Zhou / Authorized Signatory of General Partner | |
| Qingdao Qiushi Chenxing Venture Capital Fund II (Limited Partnership) | 6.3% | 7,594,160 | 7,594,160 | 0 | /s/ Yang Zhou | Yang Zhou / Authorized Signatory of General Partner | |
| Yang Zhou | 15% | 17,837,305 | 17,837,305 | 0 | /s/ Yang Zhou | Yang Zhou |