| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Simcere Zaiming, Inc. | 12.7% | 338,636 | 338,636 | 0 | /s/ Renhong Tang | Renhong Tang/Chief Executive Officer | |
| Jiangsu Simcere Zaiming Pharmaceutical Co., Ltd. | 12.7% | 338,636 | 338,636 | 0 | /s/ Renhong Tang | Renhong Tang/Director and Attorney-in-Fact | |
| Hainan Simcere Zaiming Pharmaceutical Co., Ltd. | 12.7% | 338,636 | 338,636 | 0 | /s/ Renhong Tang | Renhong Tang/Chief Executive Officer and Chairman of the Board of Directors | |
| Simcere Pharmaceutical Group Limited | 12.7% | 338,636 | 338,636 | 0 | /s/ Jinsheng Ren | Jinsheng Ren / Chief Executive Officer and Chairman of the Board of Directors | |
| Ren Jinsheng | 12.7% | 338,636 | 0 | 338,636 | /s/ Jinsheng Ren | Jinsheng Ren | |
| Tang Renhong | 12.7% | 338,636 | 0 | 338,636 | /s/ Renhong Tang | Renhong Tang |