| Wong Wai Chiu | | 30-Mar-26 | J-CoSec | | Mr. Wong tendered his resignation |
| Richard James Gregory | | 30-Jun-25 | Member of the Nomination and Corporate Governance Committee | | Resigned as a member of the Nomination and Corporate Governance Committee to comply with the requirement to have one director of a different gender in the committee under the revised Corporate Governance Code. |
| Fangxin Li | | 25-Jun-25 | NED | | Resigned due to changes in his work arrangements. Dr. Li confirmed that he had no disagreement with the Board and there were no matters relating to his resignation that should be brought to the attention of the shareholders or The Stock Exchange of Hong Kong Limited. |
| Mr. Glenn Hassan | | 30-Sep-24 | CFO | | Due to personal reasons. Mr. Hassan has confirmed that he has no disagreement with the Board and there are no matters in respect of his resignation that need to be brought to the attention of the shareholders of the Company or The Stock Exchange of Hong Kong Limited. |
| Mr. Edward Hu | | 30-Sep-24 | NED | | Due to changes in his work arrangements. |
| Dr. Kan Chen | | 02-Sep-24 | NED | | He would like to devote more time to his personal engagement |
| Dr. Derek Paul Di Rocco | | 23-Nov-23 | NED | | He would like to devote more time to his personal engagement |
| Xiao Le | | 05-Jul-22 | NED | | He intends to focus and devote more time to his other work commitments |
| Keith Shing Cheung Wong | | 01-Apr-22 | J-CoSec | | No reasons provided |
| James Arthur Geraghty | | 16-Feb-22 | MbCC | | No reasons provided |
| Richard James Gregory | | 16-Feb-22 | MbAC | | No reasons provided |
