The board of directors of Giant Biogene Holding Co., Ltd. (the Company) announced that Mr. Chen Jinhao (Mr. Chen) has tendered his resignation as a non-executive Director with effect from 3 October 2023 due to work arrangements. Mr. Chen has confirmed that he has no disagreement with the Board and there are no matters relating to his resignation that need to be brought to the attention of the shareholders of the Company (the Shareholders) and The Stock Exchange of Hong Kong Limited (the Stock Exchange). The Board announced that Ms. Zhang Huijuan (Ms. Zhang) was appointed as an executive Director, and Ms. Yan Yubo (Ms. Yan) was appointed as an executive Director and the chief product officer of the Company with effect from 3 October 2023.

Ms. Zhang Huijuan, aged 37, is currently the chief financial officer of the Company. Ms. Zhang has approximately 15 years of experience in accounting and financial management. Prior to joining the Group, she was a senior auditor in Tianjin Branch of Deloitte Touche Tohmatsu Certified Public Accountants LLP from July 2008 to December 2010.

She then joined Xi'an Branch of PricewaterhouseCoopers Zhong Tian LLP as an audit manager from January 2011 to September 2018. She served as the director of financial department at Easy Click Worldwide Network Technology Co., Ltd. from April 2019 to January 2022. Ms. Zhang obtained the certificate of certified public accountant from the PRC Ministry of Finance in December 2017, the certificate of certified internal auditor from the Institute of Internal Auditors in March 2015, and the certificate of intermediate accountant from the PRC Ministry of Human Resources and Social Security and the PRC Ministry of Finance in October 2013.

Ms. Zhang obtained a bachelor's degree in Japanese (international business) from Tianjin Foreign Studies University in July 2008. Ms. Yan Yubo, aged 28, is currently a joint company secretary and the Board secretary of the Company. Ms. Yan joined Xi'an Giant Biogene Technology Co., Ltd. in October 2018 as the board secretary and has been responsible for the affairs related to the Group's financing, investor relationship management and corporate governance since then.

Ms. Yan obtained the certificate of Financial Risk Manager (FRM) from the Global Association of Risk Professionals in March 2021, the securities qualification certificate from the Securities Association of China in April 2021, the certificate of board secretary from Shanghai Stock Exchange in September 2020, the certificate of board secretary from Shenzhen Stock Exchange in July 2020, and the qualification certificate of fund practitioner from the Asset Management Association of China in November 2019. Ms. Yan obtained a bachelor's degree from the University of Toronto in Canada in June 2017, double majoring in financial economics and statistics. Ms. Yan obtained a master's degree in applied economics from the University of California, Los Angeles in the United States in June 2018.

Ms. Yan is (i) the daughter of Mr. Yan Jianya, the chairman of the Board, executive Director and chief executive officer, and Dr. Fan Daidi, the controlling Shareholder; and (ii) a niece of Ms. Yan Yajuan, a senior vice president of the Company.