TST: Correction on Result of transaction of Directors, PDMR (Lam Vu Hoang Tung)

- Name of issuer: Telecommunication Technical Service Joint Stock Company
- Stock code: TST
- Securities type: Common stock
- Name of person discharging managerial responsibility /Director: Lam Vu Hoang Tung
- Position in the listed company: Chair of the Board of Directors, Deputy General Manager
- Number of shares held by the shareholder before transaction:  250,600 shares 
- Number of shares registered for sale: 250,600 shares
- Number of shares disposed:  250,600 shares
- Total holding following transaction: 0 shares
- Start date of transaction: 21/02/2025
- End date of transaction: 21/02/2025