HNX Notice: First trading day of additional PVC

Drilling Mud Corporation (HNX: PVC) announces the first trading day of additional PVCas follows:

- Name of the issuer: Drilling Mud Corporation

- Stock code: PVC

- Securities type: Common stock

- Par value: VND 10,000/share

- Total additional listed volume: 15,458,716 shares

- Total additional listed par value: VND 154,587,160,000

- Total listed volume after additional listing: 35,000,000 shares

- Total listed par value after additional listing: VND 350,000,000,000

- First trading date: 13/04/2011.

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