The board of directors of the China Oral Industry Group Holdings Limited announced that with effect from 30 June 2023, Ms. Chan Sze Ting (Ms. Chan) has resigned as the company secretary of the Company (Company Secretary) and an authorised representative of the Company (Authorised Representative) under Rule 5.24 of the Rules Governing the Listing of Securities on GEM of The Stock Exchange of Hong Kong Limited ("Stock Exchange") due to pursuit of other business opportunities. Ms. Chan has confirmed that she has no disagreement with the Board and there are no matters relating to her resignation of the above positions that need to be brought to the attention of the shareholders of the Company or the Stock Exchange. The Board further announced that, upon the resignation of Ms. Chan, Ms. Chim Lai Kuen ("Ms. Chim") has been appointed as the Company Secretary and Authorised Representative with effect from 30 June 2023.

The biographical details of Ms. Chim are as follows: Ms. Chim is a manager at Bonafida Corporate Advisory Limited. She has over 18 years of experience in company secretarial, corporate governance and auditing services. She holds a Bachelor's Degree of Commerce from The University of Melbourne and a Postgraduate Diploma in Professional Accounting from Hong Kong Polytechnic University.

She is a member of The Hong Kong Institute of Certified Public Accountants. The Board would like to take this opportunity to express its gratitude to Ms. Chan for her contribution during her tenure of office and welcome Ms. Chim on her new appointment.