L18: Notice of transaction of connected person (Bui Thanh Thai)

- Name of issuer: Investment and Construction JSC No.18
- Stock code: L18
- Securities type: Common stock
- Name of connected person: Bui Thanh Thai
- Name of person discharging managerial responsibility (PDMR)/Director: Nguyen Thi Kim Xinh
- Position in the listed company: Deputy General Manager
- Number of shares held by person discharging managerial responsibility (PDMR)/Director: 542,396 shares (1.19%)
- Relation between connected person and PDMR/Director: offspring
- Number of shares held by connected person before transaction: 775 shares (0%)
- Number of shares to be acquired: 100,000 shares
- Nature of transaction: order matching & negotiation
- Purpose of transaction: Personal needs
- Expected Start date of transaction: 19/10/2026
- Expected End date of transaction: 17/11/2026