KSB: Transaction of major shareholder

Announcement of transaction of a major shareholder of Binh Duong Mineral and Construction Joint Stock Company:

* Trader: Vietnam Securities Investment Fund

* Stock in the transaction: KSB

* Owning volume before trading: 1,058,770 shares (9.89%)

* Volume registered to sell/buy:

+ Buy: 700,000 shares

+ Sell: 700,000 shares

* Owning volume after trading: 1,058,770 shares (9.89%).

* Purpose: To restructure investment portfolios

* Trading method: Order-matching or put-through

* Expected trading period: From June 01, 2010 to July 30, 2010.

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