The board of directors of Alphamab Oncology announced that Ms. WONG Yee Man tendered her resignation as a joint company secretary of the Company with effect from July 20, 2020 and appointed Ms. CHAN Lok Yee as a Joint Company Secretary and the Process Agent of the Company with effect from July 20, 2020. Ms. CHAN Lok Yee is currently a manager of Corporate Services of Vistra Corporate Services Limited.