MAC: New principal shareholder announcement

MB Investment Management JSC (HNX: MAC) has become a principal shareholder of Marine supply and engineering service JSC with information as follows:

- Name of new principal shareholder: MB Investment Management JSC

- Name of stock held: MAC

- Number of shares acquired: 288,100 shares (Equaling 5.238361% of outstanding shares)

- Date of transaction: 18/11/2011.

HNX

>   L18: Mr. Ha transaction results (24/11/2011)

>   VNE: Transaction of inside shareholder (24/11/2011)

>   VST: Transaction of major shareholder (24/11/2011)

>   DHG: Mr. Hung sold 10,000 shares (24/11/2011)

>   EVE: Trading result and transaction of major shareholder (24/11/2011)

>   HDC: Ms. Mai bought 10,000 shares (24/11/2011)

>   FMC: Shareholder ownership changes (24/11/2011)

>   HU3: Ms. Thao bought 2,000 shares (24/11/2011)

>   HTI: Mr. Minh transaction results and notice  (24/11/2011)

>   HVG: Mr. Minh bought 500,000 shares (24/11/2011)