The board of directors of AIM Vaccine Co., Ltd. at its EGM held on February 29, 2024, approved election of Mr. Xin ZHOU (currently a non-executive Director) as the executive vice-chairman of the Board and Mr. Wen GUAN (currently an executive Director and an executive president of the Company) has been elected as the vice-chairman of the Board, each effective from the date of passing of a special resolution at the EGM approving the proposed amendments to the Articles of Association to set up the positions of executive vice-chairman and vice-chairman in the Board. As a special resolution was passed by the Shareholders at the EGM to approve the aforesaid proposed amendments to the Articles of Association, the appointments of Mr. Xin ZHOU as the executive vice-chairman of the Board and Mr. Wen GUAN as the vice- chairman of the Board shall become effective from the date of the EGM.