Postal Savings Bank of China Co., Ltd. Mr. Bu Dongsheng, an employee supervisor of Postal Savings Bank of China Co., Ltd. (the "Bank"), has tendered his resignation to the Board of Supervisors of the Bank on May 29, 2023 to resign from the positions as an employee supervisor and a member of the Finance and Internal Control Risk Supervision Committee of the Board of Supervisors of the Bank due to the expiry of his term of office, with immediate effect. Mr. Bu Dongsheng has confirmed that he has no disagreement with the Board of Supervisors of the Bank and does not have any matters in relation to his resignation that should be brought to the attention of the shareholders and creditors of the Bank.