DCF: Notice of transaction of Directors, PDMR (Nguyen Minh Tam)

- Name of issuer: Design and Construction Join Stock Company No.1
- Stock code: DCF
- Name of person discharging managerial responsibility /Director: Nguyen Minh Tam
- Position in the listed company: Member of Board of Directors and General Director
- Number of shares held by the shareholder before transaction: 21,661 shares (0.05%)
- Number of shares registered to be acquired: 2,500,000 shares
- Expected par value: VND25,000,000,000
- Number of shares expected to be held by the shareholder after transaction: 2,521,661 shares (4.76%)
- Reason for transaction: Increase DCF ownership ratio
- Nature of transaction: Purchase of shares from the issuer’s private placement
- Expected date of transaction: from September 08, 2025 to October 06, 2025.