First trading day of additional PVS

- Name of the issuer: PetroVietnam Technical Services Corporation

- Stock code: PVS

- Securities type: common stock

- Par value: VND 10,000/share

- Total additional listed volume: 148,898,327 shares

- Total additional listed par value: VND 1,488,983,270,000

- Total listed volume after additional listing: 446,700,421 shares

- Total listed par value after additional listing: VND 4,467,004,210,000

- First trading date: 04/4/2013