OPC: Transaction of major shareholder

OPC Pharmaceutical Joint Stock Company has announced a transaction of major shareholder as follows:

* Stock symbol: OPC

* Investor: SSI Vision Fund

* Owning volume before trading: 1,040,560 shares (12.71 %)

* Registered volume to buy: 208,110 shares

* Owning volume after trading: 1,248,670 shares (15.25%)

* Trading method: Order matching

* Expected trading period: From September 15, 2010 to November 15, 2010.

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