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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
855658	Lattice Semiconductor Corp	LSCC	Semiconductors & Related Devices (3674)	930835214

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1456657	G Michael Potter	5555 N.e. Moore Ct. Hillsboro OR 97124	Chief Financial Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2011-02-01	50,000	$1.40	50,000	No	4	M	Direct
Common Stock	Disposition	2011-02-01	50,000	$6.40	0	No	4	S	Direct
Common Stock	Acquisiton	2011-02-01	6,250	$1.98	6,250	No	4	M	Direct
Common Stock	Disposition	2011-02-01	6,250	$6.24	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2011-02-01	50,000	$0.00	50,000	$1.40
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2011-02-01	6,250	$0.00	6,250	$1.98

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
400,000	2010-02-17	2016-02-17	No	4	M	Direct
75,000	2010-02-03	2016-11-03	No	4	M	Direct

Footnotes

This option to purchase shares of common stock vests as follows: 25% of the total amount of shares subject to the option shall vest on 2/17/2010. 6.25% of the total amount of the shares subject to the option shall vest each three months thereafter until all shares are vested on 2/16/2016.
This option to purchase shares of common stock becomes exercisable over a four year period where in 1/16th (6.25%) of the total shares granted vest on each quarterly anniversary of the grant date.