Notice of trading of shares by an internal shareholder of Petrovietnam Drilling & Well Service Corporation as follows:

1)     Name of individual: Mr. Ho Vu Hai

-    Current position (if available) in the organization listed/registered for trading, fund management company/public investment fund: Deputy CEO

2)     Trading securities code: PVD

3)     Quantity and ratio of shares owned before conducting trading: 47,500 shares (0.02%)

4)     Quantity of shares/fund certificates registered for sale: 47,500 shares

5)     Proposed quantity and ratio of shares owned after conducting trading: 0 share

6)     Method of trading: order matching

7)     Proposed  period for conducting trading: from July 14, 2015 to August 12, 2015