PGS: New principal shareholder

Dong A Fund Management Company Limited has become principal shareholder of Petrovietnam Southern Gas JSC with information as follows:

1. Name of trading institution: Dong A Fund Management Company Limited

2. Name of stock held: PGS

3. Number of shares held by trading institution before transaction : 263,800 shares (1.66% of total shares outstanding)

4. Number of shares acquired: 529,980 shares (3.34% of total shares outstanding)

5. Total holding following transaction and total percentage following transaction: 793,780 shares (5% of shares outstanding)

6. Date of transaction: 14/9/2010.

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>   CIC: Result of transaction of connected person (Ms. Tien) (17/09/2010)

>   C92: Notice of transaction of Directors, PDMR (Mr. Bao) (17/09/2010)

>   CIC: Notice of transaction of connected person (Ms. Tien) (17/09/2010)

>   C92: Notice of transaction of connected institution (Cienco4) (17/09/2010)

>   C92: Notice of transaction of Directors, PDMR (Mr. Hung) (17/09/2010)

>   GMD: Trading result of inside shareholder (17/09/2010)

>   TRA: Trading result of major shareholder (17/09/2010)

>   DMC: Transaction of major shareholder (17/09/2010)

>   DMC: Trading result of major shareholder (17/09/2010)

>   CCI: Violation of information disclosure of affiliated person (17/09/2010)