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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
1465588	M Christopher Fanning	5555 N.e. Moore Ct. Hillsboro OR 97124	Cvp Low Density & Mixed Signal	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	19,848	$1.50	49,200	No	4	M	Direct
Common Stock	Disposition	2011-02-01	19,848	$6.40	29,352	No	4	S	Direct
Common Stock	Acquisiton	2011-02-01	5,152	$1.73	34,504	No	4	M	Direct
Common Stock	Disposition	2011-02-01	5,152	$6.40	29,352	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	19,848	$0.00	19,848	$1.50
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2011-02-01	5,152	$0.00	5,152	$1.73

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
25,518	2010-02-03	2016-02-03	No	4	M	Direct
119,848	2009-02-03	2015-11-03	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 upon the one-year anniversary of the grant date, 6.25% of the total amount of the shares subject to the option shall vest each three months thereafter until all shares are vested.
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.