PVC: Supplement purpose of using of shareholder list

Drilling Mud Corporation (HNX: PVC) announces to supplement the purpose of using of shareholder list on record date 09/11/2010 for a ballot as follows:

1. Stock code: PVC

2. Reasons: For a ballot

3. Exercise rate: 1 share – 1 vote

4. Exercise date: 22/11/2010

5. Agenda:

- Agreed on the restructuring of subsidiaries of DMC Group in Quarter IV/2010: Increase share holdings of DMC Group in subsidiaries up to 51%; Transform one member Ltd. Company into Joint Stock Company

- Authorized the BOD to sign on this transformation plan and implement necessary procedures to complete this plan.

hnx

>   GIL: Chief Accountant registered to 8,000 shares (25/11/2010)

>   EIB: Member of the Supervisory Board sold 84,000 shares (25/11/2010)

>   HDC: Red River Holding bought 2,000,000 shares (25/11/2010)

>   SMA: Member of the BOD and Deputy CEO bought 17,740 shares (25/11/2010)

>   SC5: Ms. Nguyen Thi Hanh Lien regitered to sell 80,000 shares (25/11/2010)

>   PVD: Transaction of inside shareholder (25/11/2010)

>   PPI: Ms. Nguyen Thi Hai registered to sell 180,000 shares (25/11/2010)

>   PHT: Mr. Hung sold 10,000 shares and Mr. Vu sold 3,000 shares (25/11/2010)

>   LGL: Trading result of major shareholder (25/11/2010)

>   AVF: BIDV Securities Co., Ltd. registered to buy and sell 2,295,00 shares (25/11/2010)