OPC: Trading Result & transaction of Major Shareholder

Announcement of the trading result of a major shareholder of OPC Pharmaceutical Joint Stock Company (OPC):

* Stock symbol: OPC     

* Trader: SSI Asset Management (SSIAM)

* Affiliated company: SSI Vision Fund (SSIVF) - (SSIVF is an investment fund managed   by SSIAM)

* Owning volume before trading: 981,490 shares (11.91%), In which:

- SSIAM: 0 share

- SSIVF: 981,490 shares

* Volume registered to trade:

- SSIAM buy: 17,500 shares, sell: 12,500 shares

- SSIVF buy: 682,843 shares, sell: 487,745 shares

* Traded volume: Shares

- SSIVF bought: 70,460 shares; Sold: 35,000 shares

* Owning volume after trading: 1,016,950 shares(12.42%), In which:

- SSIAM: 0 share

- SSIVF: 1,068,250 shares

* Reason of incomplete transaction: Because of unexpected price movement

* Trading period: From April 16, 2010 to June 16, 2010

Volume registered to continues trading:

- SSIVF buying 400,000 shares, selling: 400,000 shares

* Owning volume after trading: 1,016,950 shares (12,42%)

* Purpose: To restructure investment portfolio

* Trading period: From June 23, 2010 to August 23, 2010.

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>   OPC: Trading result of major shareholder (26/08/2010)

>   PVD: Trading result of affiliated institution (26/08/2010)

>   PXS: Trading result of affiliated person (26/08/2010)

>   SAV: Trading result of inside shareholder (26/08/2010)

>   TPC: Notice of buying back shares (26/08/2010)

>   TBC: Resolution of the BOD (26/08/2010)

>   ST8: Cash Dividend Payment (26/08/2010)

>   CMI: Establishment of subsidiary (26/08/2010)

>   MDC: HOSE receives the listing registration documents (26/08/2010)

>   MCG: Decision on additional listing (26/08/2010)