The board of directors of Trio Industrial Electronics Group Limited announced the following changes of the Company with effect from 31 January 2023: Ms. Wan Mei Wa Ruby (Ms. Wan) will resign as the chief financial officer of the Company (the Chief Financial Officer) and Mr. Leung Tak Ho (Mr. Leung) will be appointed as the Chief Financial Officer. Ms. Wan has confirmed that she has no disagreement with the Board and there are no matters relating to her resignation that needs to be brought to the attention of the Stock Exchange and the Shareholders. Mr. Leung, aged 47, has over 25 years of experience in auditing, accounting, corporate governance and financial management.

He joined Trio Engineering Company Limited, a wholly-owned subsidiary of the Company, as the chief financial officer in December 2022. Prior to joining the Group, Mr. Leung was the chief financial officer, company secretary, and authorised representative of Perfectech from September 2018 to September 2021. Mr. Leung obtained a bachelor's degree of Accountancy from City University of Hong Kong in November 1997.

He is a fellow member of the Hong Kong Institute of Certified Public Accountants.