OPC: Transaction of major shareholder

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

- Stock symbol: OPC

- Investor: SSI Asset Management

- Affiliated company: SSI Vision Fund

- Owning volume before trading: 1,000,490 shares (12.22 %)

* SSI Asset Management: 25,000 shares (0.31 %)

* SSI Vision Fund: 975,490 shares (11.91%)

Registered volume to trade:

* SSI Asset Management buy: 17,500 shares; sell: 12,500 shares

* SSI Vision Fund buy: 682,843 shares; sell: 487,745 shares

Owning volume after trading: 1,200,588  shares (14.66%)

* SSI Asset Management: 30,000 shares (0.37 %)

* SSI Vision Fund: 1,170,588 shares (14.66 %)

Expected trading period: From April 16, 2010 to June 16, 2010.

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>   PPI: Transaction of major shareholder (15/04/2010)

>   PPI: Transaction of affiliated institution (15/04/2010)

>   SAV: Transaction of major shareholder (15/04/2010)

>   SFI: Transaction of inside shareholder (15/04/2010)

>   TCM: Transaction of affiliated institution (15/04/2010)

>   TTF: Report of major shareholder's ownership (15/04/2010)

>   TTF: Report of major shareholder's ownership (15/04/2010)

>   VFG: Report of major shareholder's ownership (15/04/2010)

>   VFG: Transaction of major shareholder (15/04/2010)

>   VST: Transaction of major shareholder (15/04/2010)