PTO: Result of transaction of connected institution (Vietnam Posts and Telecommunications Group (VNPT))

- Name of issuer : Post and Telecommunication Services Construction Work JSC
- Stock code: PTO
- Securities type: Common stock
- Name of connected institution: Vietnam Posts and Telecommunications Group (VNPT)
- Name of person discharging managerial responsibility: Mai Xuan Dung
- Position in the listed company: Chair of the Board
- Number of shares held by person discharging managerial responsibility (PDMR)/Director: 0 shares (0%)
- Position in the trading institution: Representative of capital contribution
- Name of person discharging managerial responsibility: Nguyen Tuan Viet
- Position in the listed company: General Manager; Member of the BOD
- Number of shares held by person discharging managerial responsibility (PDMR)/Director: 400 shares (0.03%)
- Position in the trading institution: Representative of capital contribution
- Number of shares held by connected person/ institution before transaction: 360,000 shares (30%)
- Number of shares registered for sale: 360,000 shares
- Number of shares disposed: 0 shares
- Total holding following transaction: 360,000 shares
- Total percentage holding following transaction: 30%
- Reason for not completing transaction: not qualified to hold a share auction
- Start date of transaction: 13/10/2025
- End date of transaction: 27/10/2025