PVD: Ms. Dong Thi Quynh Mai sold 1,390 shares

Petrovietnam Drilling and Well Services Joint Stock Company (HOSE: PVD) has disclosed a trading result of an affiliated person as follows:

- Stock symbol: PVD

- Trader: Ms. Dong Thi Quynh Mai (Wife of Mr. Tran Van Hoat – Deputy CEO)

- Owning volume before trading: 1,397 shares

- Volume registered to sell: 1,390  shares

- Sold volume: 1,390 shares

- Owning volume after trading: 0 share

- Trading method: Order matching

- Trading period: From May 19, 2011.

hose

>   SMA: Ms. Tran Thanh Loan sold 10,010 shares (25/05/2011)

>   TDH: Ms. Pham Thi Xuan Lan registered to buy 50,000 shares (25/05/2011)

>   VCF: VCS registered to sell 41,373 shares (25/05/2011)

>   VCF: VCS registered to sell 41,373 shares (25/05/2011)

>   VCF: Ms. Lam Thanh Xuan registered to sell 625 shares (25/05/2011)

>   VIC: Decision on additional listing (25/05/2011)

>   VIC: Announcement of listing & trading additional shares (25/05/2011)

>   PHT: Violation of information disclosure of major shareholder (25/05/2011)

>   HAP: Violation of information disclosure of major shareholder (25/05/2011)

>   FDC: Announcement of listing & trading additional shares (25/05/2011)