PRC: Notice of transaction of Directors, PDMR (Nguyen Tat Long)

- Name of issuer: Portserco JSC
- Stock code: PRC
- Name of person discharging managerial responsibility /Director: Nguyen Tat Long
- Position in the listed company: Member of the BOD
- Number of shares held by the shareholder before transaction: 100,000 shares (8.33%)
- Nature of transaction: order matching & negotiation
- Number of shares to be acquired: 120,000 shares
- Reason for transaction: Increase shareholding
- Expected Start date of transaction: 12/05/2025
- Expected End date of transaction: 10/06/2025