Pharmaron Beijing Co., Ltd. announced that Ms. Mak Po Man Cherie ("Ms. Mak") has tendered her resignation as the company secretary of the Company (the "Company Secretary") and has ceased to act as an authorised representative of the Company (the "Authorised Representative") under Rule 3.05 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Stock Exchange") and the process agent for the acceptance of service of process and notices on behalf of the Company in Hong Kong under Part 16 of the Companies Ordinance (Chapter 622 of the Laws of Hong Kong) (the "Process Agent") with effect from April 25, 2024. The Board further announces that Mr. Yim Lok Kwan ("Mr. Yim") has been appointed as the Company Secretary, the Authorised Representative and the Process Agent with effect from April 25, 2024. Mr. Yim is an assistant vice president of SWCS Corporate Services Group (Hong Kong) Limited and has over 10 years of experience in the corporate secretarial field.

He is a fellow member of both The Hong Kong Chartered Governance Institute and The Chartered Governance Institute in the United Kingdom, and he holds a bachelor's degree in accounting from Hong Kong Shue Yan University and a master's degree in corporate governance from The Hong Kong Polytechnic University.