MTH: New principal shareholder To Van Nhat

To Van Nhat has become a principal shareholder of Ha Dong Environment Public Service Joint Stock Company with information as follows:
- Name of stock held: MTH
- Number of shares held by principal shareholder before transaction: 1,500 shares (0.03%)
- Number of shares acquired: 641,524 shares
- Total holding following transaction and total percentage holding following transaction:643,024 shares (13.43%)
- Date of transaction: 12/06/2026.