HNX Notice: Admission in principle of additional listing of PVS

On 04/03/2011, HNX admitted in principle the additional listing of PVS:

• Name of issuer: PetroVietnam Technical Services Corporation (HNX: PVS)

• Stock code: PVS

• Securities type: Common stock

• Par value: VND 10,000

• Number of additional listed shares: 98,998,663 shares

• Total par value of additional listed shares:VND 989,986,630,000.

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