The board of directors of Touyun Biotech Group Limited announced that Ms. Wong Nga Yan has tendered her resignation as the company secretary of the Company with effect from 2 August 2022. Ms. Wong has confirmed that she has no disagreement with the Board and there is no other matter regarding her resignation that needs to be brought to the attention of the shareholders of the Company. Following the resignation of Ms. Wong, the Board announced that Ms. Li On Lok has been appointed as the company secretary of the Company with effect from 2 August 2022.

Ms. Li is a member of the Hong Kong Institute of Certified Public Accountants and a fellow member of the Association of Chartered Certified Accountants. She worked as financial controller and company secretary in a listed company for many years and had over 15 years of experience in auditing, accounting and financial management.