VUA: New principal shareholder Nam Quang Investment and Development Infrastructure JSC

Nam Quang Investment and Development Infrastructure JSC has become a principal shareholder of Stanley Brothers Securities Incorporation with information as follows:
- Name of stock held: VUA
- Number of shares held by principal shareholder before transaction: 0 shares (0%)
- Number of shares acquired: 8,348,680 shares
- Total holding following transaction and total percentage holding following transaction: 8,348,680 shares (24.63%)
- Date of transaction: 12/08/2025