CStone Pharmaceuticals announced that SWCS Corporate Services Group (Hong Kong) Limited has nominated Ms. Ho Yin Kwan (?Ms. Ho?) to assume the offices of the joint company secretary of the Company, the process agent of the Company in Hong Kong for the purpose of accepting service of process in Hong Kong under Part 16 of the Companies Ordinance (Chapter 622 of the Laws of Hong Kong) and for the purpose of accepting services of process and notices on the Company's behalf in Hong Kong under Rule 19.05(2) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited, and an authorized representative of the Company for the purpose of Rule 3.05 of the Listing Rules with effect from July 28, 2022. The Board announced that Ms. Ho has tendered her resignation as the Joint Company Secretary, the Process Agent and the Authorized Representative with effect from June 18, 2024, and SWCS has re-nominated Ms. Yung Mei Yee (?Ms. Yung?) in place of Ms. Ho to act as one of the Joint Company Secretaries, the Process Agent, and the Authorized Representative with effect from June 18, 2024. Ms. Ni Weicong (?Ms. Ni?) will remain as the other Joint Company Secretary.

Ms. Ni joined the Company in August 2018 and currently serves as Chief Financial Officer and one of the Joint Company Secretaries. In her role, she has overall responsibilities for financial management and control, corporate finance, investor relations and Board related matters. Prior to her current roles, Ms. Ni served various roles within the Company including head of capital markets and chief of staff to CEO, reporting directly to chief executive officer.

Ms. Ni also acts as a director in one of the subsidiaries of the Company. Ms. Ni has more than 10 years of experience in capital markets and corporate financial management with exposure in both sell side and buy side in public and private markets. Prior to joining the Company, from July 2013 to May 2016, Ms. Ni worked at Deutsche Bank Hong Kong branch as an investment banker advising public and private companies in Asia on equity and debt financing, investments, and merger and acquisition, across a few industries from healthcare to internet and technology.

Ms. Ni also gained experience as a public market investor in the United States in 2017. Ms. Ni received her bachelor's degree in finance and economics from Hong Kong University of Science and Technology in 2013 and an MBA degree from Harvard Business School in 2018. Ms. Ni is a Chartered Financial Analyst.

Ms. Yung is a vice president of SWCS. She has over 20 years of experience in handling company secretarial, corporate governance and compliance affairs of listed companies. She has held various senior company secretarial positions in and acted as the company secretary or joint company secretary of a number of companies listed on the Stock Exchange.

She is currently the joint company secretary of a few listed companies on the Stock Exchange. She is a fellow of The Hong Kong Chartered Governance Institute and The Chartered Governance Institute in the United Kingdom. She obtained a bachelor's degree of arts in accountancy and a master's degree of arts in language and law from the City University of Hong Kong, and a bachelor's degree of laws from the University of London.

Ms. Yung possesses the professional qualification as required under note 1 of the Rule 3.28 of the Listing Rules.