PVD: Report on Change in Ownership of Major Shareholder

Report on Change in Ownership of Major Shareholder of Petrovietnam Drilling & Well Service Corporation as follows:

HOSE

>   ELC: Transaction of affiliated person (31/07/2013)

>   FCN: Trading result of inside shareholder (31/07/2013)

>   VSH: Report on Change in Ownership of Major Shareholder (31/07/2013)

>   DIH: Notice of Treasury stock sale (31/07/2013)

>   DHL: Result of transactions of Directors, PDMR (Ms.Hang) (31/07/2013)

>   DNY: Result of transactions of Directors, PDMR (Ms.Suong) (31/07/2013)

>   CTI: Corrects report on change in Ownership of Major shareholders (31/07/2013)

>   SCR: Result of transaction of connected institution (Thien Son Logistics) (31/07/2013)

>   LAS: Notice of transaction of connected person (Pham Thi Huyen) (31/07/2013)

>   CTI: Report on Change in Ownership of Major Shareholder (31/07/2013)