| 
    Shareholder Structure
 
    
        | State Ownership | 92.13% |  
        | Foreign Ownership | 0.33% |  
        | Other Ownership | 7.54% |    
    Major Shareholders
 
            
                | Name | Position | Shares | Ownership | Reported Date |  
            | Vietnam Oil and Gas Corporation | --- | 4,613,054,098 | 92.13% | 10/29/2025 |  
            | KIM Vietnam Growth Equity Fund | --- | 16,422,200 | 0.53% | 9/11/2018 |  
            | KITMC Worldwide Vietnam RSP Balanced Fund | --- | 4,177,000 | 0.13% | 9/11/2018 |  
            | KITMC Worldwide Vietnam Fund 2 | --- | 464,000 | 0.01% | 9/11/2018 |  
            | Bui Minh Tien | --- | 42,000 | 0.00% | 6/30/2021 |  
            | Vo Nguyen Thuy | --- | 7,600 | 0.00% | 6/30/2025 |  
            | Nguyen Van Hoi | Board Member | 6,400 | 0.00% | 6/30/2025 |  
            | Pham Tuan Anh | --- | 6,000 | 0.00% | 6/30/2025 |  
            | Tran Thi Nga | --- | 5,000 | 0.00% | 6/30/2025 |  
            | Vo Tien Binh | --- | 4,000 | 0.00% | 6/30/2025 |  
            | Khuong Le Thanh | Board Member | 3,400 | 0.00% | 6/30/2025 |  
            | Nguyen Hai Au | --- | 3,000 | 0.00% | 6/30/2023 |  
            | Nguyen Thi Phung | --- | 2,500 | 0.00% | 6/30/2021 |  
            | Ha Dong | --- | 2,000 | 0.00% | 6/30/2021 |  
            | Pham Ngoc Quy | --- | 1,800 | 0.00% | 12/31/2021 |  
            | Nguyen Viet Thang | Chief of Executive Officer | 1,500 | 0.00% | 6/30/2025 |  
            | Mai Tuan Dat | Deputy CEO | 1,400 | 0.00% | 6/30/2025 |  
            | Khuat Thi Le | --- | 1,400 | 0.00% | 6/30/2025 |  
            | Pham Minh Nghia | Deputy CEO | 1,000 | 0.00% | 6/30/2025 |  
            | Nguyen  Ly Phuong Dung | --- | 500 | 0.00% | 6/30/2025 |  
            | Pham Xuan Quang | --- | 0 | 0.00% | 10/31/2025 |  
            | Tran Ngoc Nguyen | --- | 0 | 0.00% | 10/31/2025 |  
            | Nguyen Thi Minh Hai | --- | 0 | 0.00% | 10/31/2025 |  
            | Dinh Thai Ha | --- | 0 | 0.00% | 10/31/2025 |  
            | Vu Manh Tung | --- | 0 | 0.00% | 10/31/2025 |  
            | Nguyen Thi Nghiem | --- | 0 | 0.00% | 12/31/2021 |  
            | Nguyen Ngoc Anh | --- | 0 | 0.00% | 6/30/2023 |  
            | Ly Hong Duc | --- | 0 | 0.00% | 10/31/2025 |  
            | Vu Le Huy | --- | 0 | 0.00% | 10/31/2025 |  
            | Bui Ngoc Duong | --- | 0 | 0.00% | 10/31/2025 |  
            | Nguyen Quang Hoa | --- | 0 | 0.00% | 10/31/2025 |  
            | Le Xuan Huyen | --- | 0 | 0.00% | 10/31/2025 |  
            | Tran Doan Thinh | --- | 0 | 0.00% | 10/31/2025 |  
            | Nguyen Duyen Cuong | --- | 0 | 0.00% | 10/31/2025 |  
            | Nguyen Hoai Giang | --- | 0 | 0.00% | 10/31/2025 |  
            | Nguyen Ba Phuoc | --- | 0 | 0.00% | 10/31/2025 |  
            | Nguyen Ngoc Quynh | Board Member | 0 | 0.00% | 10/31/2025 |  
            | Hoang Dinh Nhat | Head of Control Committee | 0 | 0.00% | 10/31/2025 |  
            | Hoang Ngoc Xuan | Control member | 0 | 0.00% | 10/31/2025 |  
            | Vu Lan Phuong | Control member | 0 | 0.00% | 10/31/2025 |  
            | Luong Minh Hai | Deputy CEO | 0 | 0.00% | 10/31/2025 |  
            | Tran Thai Bao | Deputy CEO | 0 | 0.00% | 10/31/2025 |  
            | Le Manh Hung | Deputy CEO | 0 | 0.00% | 10/31/2025 |  
            | Nghiem Duc Duong | Deputy CEO | 0 | 0.00% | 10/31/2025 |  
            | Bach Duc Long | Chief Accountant | 0 | 0.00% | 10/31/2025 |  
            | Hang Anh Minh | Representative Spokesman | 0 | 0.00% | 10/31/2025 |  |