COM: Transaction of affiliated institutional investor

Materials - Petroleum Joint Stock Company has announced a transaction of affiliated institutional investor as follows:

-         Stock symbol: COM

-         Investor: PetroVietnam Oil Corporation (PV OIL)

-         The first affiliated person: Mr.VoTan Phong – Member of the Board of Directors at PetroVietnam Oil Corporation (PV OIL)

-         Position of Mr.Vo Tan Phong at the listed firm:  Member of the Board of Directors

-         The second affiliated person: Mr.Nguyen Ngoc Lien – the Board of oil producs at PetroVietnam Oil Corporation (PV OIL)

-         Position of Mr.Nguyen Ngoc Lien at the listed firm:  Member of the Board of Directors

-         Owning volume before trading: 4,780,740 shares (34.77 %)

-         Owning volume of Mr.Vo Tan Phong: 2,281,950 shares (16.16%)

-         Owning volume of Mr. Nguyen Ngoc Lien: 2,000,000 shares (14.16%)

-         Volume registered to buy: 175,000 shares

-         Owning volume after trading: 4,955,740 shares (36.04 %)

-         Trading method: Order matching and put through

-         Expected trading period: from September 10, 2012 to October 10, 2012.

HOSE

>   SDH: Result of transactions of Directors, PDMR (Mr. Vu Van Bay) (06/09/2012)

>   EVE: Transaction of inside shareholder (06/09/2012)

>   VSC: Trading result of affiliated institution (06/09/2012)

>   VNE: Trading result of affiliated person (06/09/2012)

>   HLG: Transaction of inside shareholder (06/09/2012)

>   SJ1: Result of transactions of Directors, PDMR (Ngo Duc Dzung) (06/09/2012)

>   DHC: Report on Change in Ownership of Major Shareholder - Ms. Ngo Thi Cuong (05/09/2012)

>   DHC: Report on Change in Ownership of Major Shareholder - Mr. Le Huu Nghiep (05/09/2012)

>   DAD : Result of transactions of Directors, PDMR (Mr.Van) (05/09/2012)

>   HTC: Notice of transaction of connected institution (Ben Thanh Group – Co., Ltd one member) (05/09/2012)