Nam Song Hau Trading Investing Petroleum Joint Stock Company appointed Mrs. Luu Thi Tuyet Van as Head of the Supervisory Board, effective June 27, 2023 and Mr. Nguyen Le Long Dien as a member of the Supervisory Board, effective June 27, 2023. Mrs. Doan Thanh Tam resigned as Head of the Supervisory Board, effective June 27, 2023.