LG9: Bui Cong Son is no longer principal shareholder

Bui Cong Son is no longer a principal shareholder of Mechanized Construction and Installation Joint Stock Company with information as follows:
- Name of stock held: LG9
- Number of shares held by principal shareholder before transaction: 876,803 shares (17.44%)
- Number of shares disposed: 876,803 shares
- Total holding following transaction and total percentage holding following transaction: 0 shares (0%)
- Date of transaction: 07/08/2025.