| Leung Sharon Wing Han | 09-Sep-24 | | CoSec | | |
| Lau Ricky Ngai Kee | 08-Apr-24 | | INED | | |
| Kong Jiangnan | 01-Oct-24 | 08-Aug-25 | INED | | To devote more time to her other commissions and support an orderly transition of the Company. |
| Mr. Lau Ngai Kee Ricky | | 14-Apr-25 | INED | | His belief that there is no longer room for him to fully fulfill his role effectively as an independent non-executive Director and the chairman of the Independent Special Committee, and to properly safeguard the interests of the Company and its minority shareholders; and his desire to devote more time to other engagements. |
| Ms. Ng Weng Sin | | 14-Apr-25 | INED | | Her belief that there is no longer room for her to fully fulfill her role effectively as an independent non-executive Director and a member of the Independent Special Committee, and to properly safeguard the interests of the Company and its minority shareholders; and her desire to devote more time to other engagements. |
| Zhu Yeqing | 07-Jun-18 | 12-Feb-25 | Co-Fdr | | Removed as Director by ordinary resolution passed by the Shareholders at the EGM. |
| Zhu Yeqing | 20-Jun-22 | 12-Feb-25 | Ch | | Removed as Director by ordinary resolution passed by the Shareholders at the EGM. |
| Zhu Yeqing | 30-Dec-24 | 12-Feb-25 | ED | | Removed as Director by ordinary resolution passed by the Shareholders at the EGM. |
| Li Donald Kwok Tung | 05-Feb-21 | 03-Jan-25 | INED | | |
| Dr. Donald Kwok Tung Li | | 03-Jan-25 | INED | | Due to his other professional business commitments which require more of his time and devotion. |
| Yao Naxin | 26-Jul-18 | 30-Dec-24 | Non-Executive Director | | |
| Zhu Yeqing | 07-Jun-18 | 30-Dec-24 | CEO | | Resigned from the positions of Chairman and Chief Executive Officer due to personal health reasons. Proposed removal from the position of Executive Director due to differing management style and philosophy from other Board members. Removed from any other positions within the Group with immediate effect. |
| Wu Hong | 05-Feb-21 | 01-Oct-24 | INED | | Personal health reason |
| Gao Yu | 09-Oct-20 | 09-Sep-24 | CFO, CoSec | | No reasons provided |
| Mok Mandy Ming Wai | 11-Jun-21 | 09-Sep-24 | CoSec | | |
| Mok Ming Wai | | 09-Sep-24 | J-CoSec, AuRep, Proc Agt | | No reasons provided |
| Ng Stella Weng Sin | 08-Apr-24 | 15-Sep-22 | INED | | |
| Chen Yiyou | 07-Jun-18 | 20-Jun-22 | Ch, Co-Fdr | | Due to Company’s transition from clinical stage to commercial stage biotech with the successful launches and commercialization of both ColoClear and UU Tube |
| Chen Yiyou | 20-Jun-22 | 20-Jun-22 | ED | | Due to Company’s transition from clinical stage to commercial stage biotech with the successful launches and commercialization of both ColoClear and UU Tube |
| Leung Nisa Bernice Wing Yu | 26-Jul-18 | 28-Feb-22 | Non-Executive Director | | |
| Nisa Bernice Wing-Yu Leung | | 28-Feb-22 | Non-Executive Director | | Due to her other business commitments |
| Yu Danke | 05-Feb-21 | 19-Jul-21 | INED | | |
| Ng Siu Wai | 14-May-19 | 18-Jun-21 | Non-Executive Director | | |
| Zhou Quan | 26-Jul-18 | 18-Jun-21 | Non-Executive Director | | |
| Yeung Ching Man | 09-Oct-20 | 11-Jun-21 | CoSec | | |
| Yao Naxin | 30-Dec-24 | 18-May-21 | Ch | | |
| Wang Yang | 10-Mar-25 | 16-Sep-16 | INED | | |
| Choi Yiau Chong | 01-Nov-24 | 20-Mar-14 | CFO | | |
