Sieu Thanh Joint Stock Corporation announces the change in personnel as follows: Appointment: Mrs. Bui Thi Huong Lan - Former position in the organization - Newly appointed position: person in charge of corporate governance cum secretary - Term: - Effective date: March 01, 2023. Resignation: Mrs. Cat Kim Thoa - Resigned position: person in charge of corporate governance cum secretary - Reason (if any): - Effective date: March 01, 2023.