The board of directors of Alphamab Oncology (Company) announced that Mr. QIU Yu Min ('Mr. Qiu') has tendered his resignation from the position as a non-executive Director with effect from June 16, 2022 due to his other work commitments. Following Mr. Qiu's resignation as a non-executive Director, he ceased to be a member of the audit committee of the Company. The Board announced that, Dr. GUO Zijian, an independent non-executive Director, has been appointed as a member of the Audit Committee with effect from June 16, 2022.