Petrovietnam Gas Joint Stock Corporation announces the change in personnel as follows: The company has appointed Mr. Nguyen Thanh Binh as Chairman of the board of directors his former position in the organization: is Deputy CEO. Term: 2023-2028. Effective date: May 25, 2023.

Mr. Pham Van Phong: Newly appointed position: CEO cum the legal representative. Former position in the organization: Deputy CEO. Term: 2023-2028.

Effective date: May 25, 2023. The following is the resignation: Mr. Duong Manh Son - Resigned position: Chairman of the Board of Directors. Effective date: May 25, 2023.

Mr. Hoang Van Quang: Resigned position: a member of the BOD cum CEO. Effective date: May 25, 2023.