The board of directors of Wai Chun Bio-Technology Limited announced the following: Resignation of executive director: Mr. Chan Cheuk Ho (Mr. Chan) has resigned as an executive director of the company with effect from 13 March 2023 in order to devote more time to his personal commitments. Mr. Chan has confirmed that he has no disagreement with the board and there is no matter that needs to be brought to the attention of the shareholders of the company or The Stock Exchange of Hong Kong Limited in respect of his resignation. Appointment Of Executive Director: Mr. Lam Ka Chun (Mr. Lam) has been appointed as an executive director of the company with effect from 13 March 2023.

Mr. Lam, aged 32, has been managing directors of the Company and Wai Chun Group Holdings Limited, since 2017 and is responsible for the investment and operation of the listed companies. Mr. Lam served as chief executive officer in various companies from 2011 to 2017 and has accumulated extensive experience in project investment and management. Mr. Lam studied chemistry at Imperial College London from 2009 to 2011.

Mr. Chan has ceased to act as an authorised representative of the company under Rule 3.05 of the Listing Rules and an authorised representative of the company pursuant to Part 16 of the Companies Ordinance for accepting service of process and notices in Hong Kong with effect from 13 March 2023. Mr. Chan has ceased to be a member of each of the nomination committee and remuneration committee of the company with effect from 13 March 2023. Mr. Lam has been appointed as a member of each of the nomination committee and remuneration committee of the company with effect from 13 March 2023.