SMITH KENNETH G [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
05/11/2016	MATTSON TECHNOLOGY INC	MTSN	Disposition	Non-Qualified Stock Option (right to buy)	20k	$3.09	$61.8k	05/11/2016
05/11/2016	MATTSON TECHNOLOGY INC	MTSN	Disposition	Non-Qualified Stock Option (right to buy)	20k	$1.77	$35.4k	05/11/2016
05/11/2016	MATTSON TECHNOLOGY INC	MTSN	Disposition	Non-Qualified Stock Option (right to buy)	20k	$0.88	$17.6k	05/11/2016
05/11/2016	MATTSON TECHNOLOGY INC	MTSN	Disposition	Non-Qualified Stock Option (right to buy)	20k	$2.14	$42.8k	05/11/2016
05/11/2016	MATTSON TECHNOLOGY INC	MTSN	Disposition	Non-Qualified Stock Option (right to buy)	12.5k	$2.12	$26.5k	05/11/2016
05/11/2016	MATTSON TECHNOLOGY INC	MTSN	Disposition	Common Stock	28.6k	$3.80	$108.8k	05/11/2016
05/11/2016	MATTSON TECHNOLOGY INC	MTSN	Disposition	Restricted Stock Units (right to acquire)	26.4k	$3.80	$100.2k	05/11/2016
05/11/2016	MATTSON TECHNOLOGY INC	MTSN	Disposition	Non-Qualified Stock Option (right to buy)	20k	$1.29	$25.8k	05/11/2016
07/31/2012	MATTSON TECHNOLOGY INC	MTSN	Grant	Common Stock	6k	$0.00	$0	07/31/2012
07/31/2012	MATTSON TECHNOLOGY INC	MTSN	Grant	Non-Qualified Stock Option (right to buy)	20k	$0.88	$17.6k	07/31/2012
08/01/2011	MATTSON TECHNOLOGY INC	MTSN	Grant	Non-Qualified Stock Option (right to buy)	20k	$1.77	$35.4k	08/01/2011