MAC: Ms. Trang acquired 2,000 shares

Marine Supply and Engineering Service JSC (HNX: MAC) announce its Information disclosure officer transaction results as follows:

- Name of issuer: Marine Supply and Engineering Service JSC

- Stock code: MAC

- Securities type: Common stock

- Name of person discharging managerial responsibility /Director: Trinh Thi Thu Trang

-   Position in the listed company: Information disclosure officer

- Number of shares held by the shareholder before transaction: 5,400 shares (Equaling 0.098% of charter capital)

- Number of shares registered for acquisition: 2,000 shares

- Number of shares acquired: 2,000 shares

- Total holding following transaction: 7,400 shares

- Total percentage holding following transaction: 0.13455%

- Start date of transaction: 02/08/2011

- End date of transaction: 05/09/2011.

HNX

>   KKC: Mr. Ha registered to buy 150,000 shares (08/09/2011)

>   SDH: Mr. Tung disposed 16,000 shares (08/09/2011)

>   NVB: Ms. Tuyen disposed all shares (08/09/2011)

>   LHC: Resolution on share repurchase for Treasury stock  (08/09/2011)

>   TMT: Transaction of inside shareholder (06/09/2011)

>   NTB: Shareholder ownership changes (06/09/2011)

>   IMP: Trading result and transaction VCHF (06/09/2011)

>   HSG: Transaction of affiliated institution (06/09/2011)

>   HAP: Shareholder ownership changes (06/09/2011)

>   DHG: Transaction of affiliated person (06/09/2011)