TST: Result of transactions of Directors, PDMR (Mr. Trung)

TST announces the result of transactions of Directors, PDMR (Mr. Trung) as follows:

- Name of issuer: Telecommunication Technical Service JSC

- Stock code: TST

- Name of person discharging managerial responsibility/Director: Tran Ba Trung

- Position: Director

- Securities type: Common stock

- Number of shares held by the shareholder: 2,000 shares

- Number of shares disposed: 0 shares

- Purpose of transaction: Personal

- Total holding and total percentage holding following transaction: 2,000 shares.

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>   TXM: Result of transactions of Directors, PDMR (Mr. Luong) (19/05/2010)

>   UNI: Notice of transaction of Directors, PDMR (Mr. Quyen) (19/05/2010)

>   TTC: Time and Place for Annual General Meeting of Shareholders 2010 (19/05/2010)

>   VTB: Trading result of inside shareholder (18/05/2010)

>   CSM: Transaction of inside shareholder (18/05/2010)

>   HMC: Transaction of inside shareholder (18/05/2010)

>   HRC: Trading result of inside shareholder (18/05/2010)

>   IJC: Trading Result of Major Shareholder (18/05/2010)

>   NVT: Transaction of inside shareholder (18/05/2010)

>   TRC: Trading Result of Major Shareholder (18/05/2010)