ST International Holdings Company Limited announced that Mr. Sin Kin Hong, Edward has been appointed as the company secretary of the Company with effect from 28 August 2023. The biography of Mr. Sin is set out below: Mr. Sin, aged 39, has over 17 years of experience in financial accounting, corporate finance and private equity investment. Mr. Sin received his Bachelor's Degree of Economics and Finance from the Universityof Hong Kong in 2006.

Mr. Sin is a member of the Hong Kong Institute of Certified Public Accountants in Hong Kong, as well as a partner and director in a local audit firm. The Board would also like to announce that Mr. Li Jian has been appointed as an executive Director with effect from 28 August 2023. The biography of Mr. Li is set out below: Mr. Li, aged 43, has many years' experience in computer software, communications and Internet media industries.

He mainly engaged in research, development and manufacturing of mobile terminal products and Internet marketing and advertising. Mr. Li received his Associate Degree of Computer Science fromthe Department of Computer Science of Tianjin University of Technology and Education in 2003. Since 2015, Mr. Li has participated in the establishment of Beijing Jiangzhi Information Technology Co.

Ltd. (a listed company on the National SME Share Transfer System, Stock Code: 430443), and served as a shareholder of the company which is mainly engaged in Internet social media marketing, Internet advertising and other businesses.