| 
 
    Shareholder Structure
 
    
        | 
            State Ownership
         | 
        
            52.94%
         | 
     
    
        | 
            Foreign Ownership
         | 
        
            1.45%
         | 
     
    
        | 
            Other Ownership
         | 
        
            45.61%
         | 
     
 
 
						
    Major Shareholders
 
        
            
                | 
                    Name
                 | 
                
                    Position
                 | 
                
                    Shares
                 | 
                
                    Ownership
                 | 
                
                    Reported Date
                 | 
             
    
        
            | 
                PetroVietnam Gas Joint Stock Corporation
             | 
            
                ---
             | 
            
                11,434,000
             | 
            
                52.94%
             | 
            
                6/30/2025
             | 
         
    
        
            | 
                Le Quyet Thang
             | 
            
                ---
             | 
            
                40
             | 
            
                0.00%
             | 
            
                12/31/2019
             | 
         
    
        
            | 
                Bui Tuong Dinh
             | 
            
                Chairman of Board
             | 
            
                0
             | 
            
                0.00%
             | 
            
                6/30/2015
             | 
         
    
        
            | 
                Vu Tuan Ngoc
             | 
            
                Board Member
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Tran Dang Thuyet
             | 
            
                Board Member
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Trinh Hai
             | 
            
                Board Member
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Nguyen Phuong Cao
             | 
            
                Board Member
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Le Duc Hoa
             | 
            
                Head of Control Committee
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                To Thi Huyen
             | 
            
                Control member
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Pham Thi Anh Tuyet
             | 
            
                Control member
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Nguyen Thi Huyen
             | 
            
                Deputy Director
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Nguyen Van Quang
             | 
            
                Chief Accountant
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                MB Capital Management Joint Stock Company
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                2/26/2014
             | 
         
    
        
            | 
                Phan Thi Hong
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                12/31/2013
             | 
         
    
        
            | 
                Phan Thi Ngoc Ha
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Le Hong Hai
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Vu Anh Tuan
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Samarang UCITS - Samarang Asian Prosperity
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                10/23/2018
             | 
         
    
        
            | 
                Pham Anh Tuan
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Nguyen Thi Kim Yen
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                MB Securities Joint Stock Company
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                3/31/2016
             | 
         
    
        
            | 
                Saigon - Hanoi Securities Joint Stock Company
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                3/31/2016
             | 
         
    
        
            | 
                Nguyen Thi Ha Nhung
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Dao Van Hung
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Halley Sicav - Halley Asian Prosperity
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/20/2017
             | 
         
    
        
            | 
                Trinh Manh Cuong
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                4/27/2020
             | 
         
    
        
            | 
                Nguyen Manh Tuong
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Nguyen Van Viet
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Bui Huu Duong
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/17/2015
             | 
         
    
        
            | 
                Dang Dinh Binh
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                6/22/2015
             | 
         
    
        
            | 
                Tran Duc Minh
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                12/31/2015
             | 
         
    
        
            | 
                Nguyen Tuan Thanh
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                1/2/2018
             | 
         
    
        
            | 
                Pham Ngoc Minh
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                6/30/2017
             | 
         
    
        
            | 
                Cao Khanh Hung
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                11/4/2025
             | 
         
    
        
            | 
                Le Thi Anh Hong
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                6/30/2017
             | 
         
    
        
            | 
                Le Thi Phuong Hanh
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                12/23/2015
             | 
         
    
        
            | 
                Nguyen Cong Chuong
             | 
            
                ---
             | 
            
                0
             | 
            
                0.00%
             | 
            
                12/31/2013
             | 
         
    
         
    
 |