1. Company Directors - C
2. Chen Robert I

Insider Trading History of Chen Robert I

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Chen Robert I since 2005. The trader's CIK number is 1171523. At the time of the last reporting, Chen Robert I was the Chief Executive Offi of Alpha & Omega Semiconductor Ltd. (stock ticker symbol AOSL). Also see all insider trading activities at Alpha & Omega Semiconductor Ltd.

Note that in the past CHEN ROBERT I also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Rae Systems Inc (RAE) by Chen Robert I

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2011	RAE	0	$0	2,704,765	$6,085,721	0	$0
2009	RAE	1,167,524	$0	583,762	$0	0	$0
2006	RAE	0	$0	127,000	$528,810	0	$0
2005	RAE	0	$0	76,540	$306,505	0	$0

Yearly summary of insider trading at Alpha & Omega Semiconductor Ltd (AOSL) by Chen Robert I

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2016	AOSL	0	$0	13,350	$293,700	7,500	$56,700

Insider trading activities at 2 companies by Chen Robert I:

1. Rae Systems Inc (RAE)

2. Alpha & Omega Semiconductor Ltd (AOSL)

Table 1. Insider trading of Rae Systems Inc (RAE) by Chen Robert I

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2011-06-16	RAE	Sale	2,704,765	2.25	6,085,721
2009-05-11	RAE	Buy	1,167,524	.00	0
2009-05-11	RAE	Sale	583,762	.00	0
2006-06-05	AMEX: RAE	Sale	17,500	4.40	77,017
2006-06-02	AMEX: RAE	Sale	38,000	4.20	159,524
2006-06-01	AMEX: RAE	Sale	38,000	4.13	157,130
2006-05-26	AMEX: RAE	Sale	33,500	4.03	135,139
2005-12-12	AMEX: RAE	Sale	19,000	4.00	76,000
2005-12-07	AMEX: RAE	Sale	57,540	4.01	230,505

Table 2. Insider trading of Alpha & Omega Semiconductor Ltd (AOSL) by Chen Robert I

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2016-12-09	AOSL	Option Ex	7,500	7.56	56,700
2016-12-09	AOSL	Sale	13,350	22.00	293,700

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 Offi of Alpha & Omega Semiconductor Ltd at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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