S12: New principal shareholder Do Thu Hien

Do Thu Hien has become a principal shareholder of Song Da No 12 Joint Stock Company with information as follows:
- Name of stock held: S12
- Number of shares held by principal shareholder before transaction: 0 shares (0%)
- Number of shares acquired: 1,200,000 shares
- Total holding following transaction and total percentage holding following transaction:1,200,000 shares (24%)
- Date of transaction: 28/01/2026