| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Tospring Technology Limited | 1.9% | 5.37M | 5.37M | 0 | /s/ Ketuan Zhan | Ketuan Zhan/Director | |
| Bitmain Technologies Holding Limited | 1.9% | 5.37M | 5.37M | 0 | /s/ Ketuan Zhan | Ketuan Zhan/Director | |
| Ketuan Zhan | 1.9% | 5.37M | 5.37M | 0 | /s/ Ketuan Zhan | Ketuan Zhan |