The board of directors of CST Group Limited announced that: Mr. Wah Wang Kei, Jackie ("Mr. Wah") has tendered his resignation as an executive director ("Executive Director") and the company secretary (the "Company Secretary") of the Company with effect from 30 June 2023 in order to devote more time for his other business commitments. Following his resignation, Mr. Wah ceases to be a member of the Investment and Management Committee ("IMC"); Following the resignation of Mr. Wah, Mr. Han Xuyang ("Mr. Han"), an executive director and the chief executive officer of the Company, has been appointed as a member of the IMC with effect from 30 June 2023; and Ms. Li Man Ting ("Ms. Li") has been appointed as the Company Secretary with effect from 30 June 2023. Ms. Li is an associate member of both The Hong Kong Chartered Governance Institute and The
Chartered Governance Institute in the United Kingdom. She holds a Degree of Master of Science in Professional Accounting and Corporate Governance from the City University of Hong Kong. Ms. Li was the deputy company secretary of the Company prior to her appointment as the Company Secretary.