PVS: Notice of transaction of connected person (Mr. Dung)

1. Name of issuer: Petroleum Technical Services Corporation
2. Stock code: PVS
3. Name of person connected with a person discharging managerial responsibility (PDMR)/Director: Mr. Nguyen Huu Dung
4. Name of PDMR/Director: Mr. Nguyen Huu Hai
5. Position: Deputy General Manager
6. Relation between connected person and PDMR/Director: brother
7. Securities type: Common stock
8. Number of shares held by connected person before transaction: 9,144 shares
9. Number of shares registered for sale: 9,100 shares
10.  Nature of transaction: selling through negotiation or continuous order matching
11. Purpose of transaction: Personal
12. (Last) Date of transaction: from 24/07/2013 to 19/08/2013

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