PVC: Change in Chief Accountant

Drilling Mud Corporation (HNX: PVC) announces change in key members as follows:

- Mr. Bui Tuan Ngoc has been appointed Chief Accountant in place of Mr. Pham Minh Duc with effect since 26/09/2011.

HNX

>   HUT: Management Change (03/10/2011)

>   L44: Management Change (29/09/2011)

>   BVH: Personnel change (29/09/2011)

>   KTS: Change in Information Disclosure Officer (27/09/2011)

>   SDY: Management Change (27/09/2011)

>   VDSE: Personnel Change (27/09/2011)

>   CMX: Personnel Change (27/09/2011)

>   Woori CBV: Change of BOD member (27/09/2011)

>   V11: Board Resolution (27/09/2011)

>   VIC: Personnel change (24/09/2011)