RAL: Trading of the person affiliated with BOD Chairman

Trading of the person affiliated with BOD Chairman of Rangdong Light Source and Vacuum Flask Joint Stock Company as follows:

Listed firm: Rangdong Light Source and Vacuum Flask Joint Stock Company

Stock symbol: RAL

Trader: Ms. Ngo Ngoc Dung

Position in the listed firm: none

Affiliated person: Ms. Ngoc Ngoc Thanh (sister) – Chairman of BOD

Current owning volume: 9,246 shares

Volume registered to buy: 2,000 shares

Owning volume after trading: 11,246 shares

Trading period: from March 04th, 2008 to March 07th, 2008

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