Stock Trading History of Chen Robert I

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Chen Robert I since year 2005. The trader's CIK number is 1171523. At the time of this reporting, Chen Robert I is the Chief Executive Officer of Rae Systems Inc (stock ticker symbol AMEX: RAE).

Stock purchases, sales, and option exercises reported by *Chen Robert I* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2006-06-02	AMEX: RAE	Rae Systems Inc	Sale	38,000	4.20	159,527
2006-06-05	AMEX: RAE	Rae Systems Inc	Sale	17,500	4.40	77,017
2006-06-01	AMEX: RAE	Rae Systems Inc	Sale	38,000	4.14	157,130
2006-05-26	AMEX: RAE	Rae Systems Inc	Sale	33,500	4.03	135,159
2005-12-12	AMEX: RAE	Rae Systems Inc	Sale	19,000	4.00	76,000
2005-12-07	AMEX: RAE	Rae Systems Inc	Sale	57,540	4.01	230,505

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Chen Robert I (Chief Executive Officer of Rae Systems Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.