RAL: Trading of a person affiliated with Board of Directors Chairperson

Rangdong Light Source and Vacuum Flask Joint Stock Company informed trading as follows:

Trader: Ms. Pham Quynh Anh

Stock symbol: RAL

Position in the listed firm: none

Affiliated person: BOD Chairperson Ngo Ngoc Thanh (mother of Ms. Anh)

Current owning volume: 16,395 shares

Volume registered to buy: 3,000 shares

Owning volume after trading: 19,395 shares

Trading period: from May 08th, 2008 to 05/16/2008.

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