King Stone Energy Group Limited announced that Mr. Lee Tao Wai has tendered his resignation as the company secretary of the Company, and ceased to act as the authorised representative
of the Company under Rule 3.05 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Stock Exchange") with effect from 28 April 2023 due to
his desire to devote more time to his career development and personal affairs. Mr. Lee confirmed that he has no disagreement with the Board and there is no matter relating to his resignation that needs to be brought to the attention of the shareholders of the Company or the Stock Exchange. Following the resignation of Mr. Lee, the Board announced that Mr. Tse Fung Chun has been appointed as the Company Secretary and Authorised Representative with effect from 28 April 2023. Mr. Tse, aged 34, graduated with a Bachelor's degree in Accounting from University of Queensland in Australia in 2011. Mr. Tse is a certified public accountant of The Hong Kong Institute of Certified Public Accountants and CPA Australia and a chartered management accountant of the Chartered Institute of Management Accountants. Mr. Tse has over ten years of experience in auditing, accounting and corporate governance. He is currently an executive director, the company secretary, the compliance officer, an authorised representative and the process agent of WLS Holdings Limited, a company whose shares are listed on GEM of the Stock Exchange since August 2020. He is also currently the company secretary, an authorised representative and the process agent of Trendzon Holdings Group Limited, a company whose shares are listed on the Main Board of Stock Exchange since September 2020 and the company secretary and an authorised representative of Mansion International Holdings Limited, a company whose shares are listed on GEM of the Stock Exchange since April 2022.