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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
1214418	E David Coreson	5555 N.e. Moore Ct. Hillsboro OR 97124		Yes	No	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	2011-02-02	9,000	$4.56	9,000	No	4	M	Direct
Common Stock	Disposition	2011-02-02	9,000	$6.40	0	No	4	S	Direct
Common Stock	Acquisiton	2011-02-02	72,000	$4.50	72,000	No	4	M	Direct
Common Stock	Disposition	2011-02-02	72,000	$6.40	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	2011-02-02	72,000	$0.00	72,000	$4.50
Common Stock	Non-Qualified Stock Option (right to buy)	Disposition	2011-02-02	9,000	$0.00	9,000	$4.56

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2005-08-01	2015-02-01	No	4	M	Direct
0	2009-05-09	2015-08-09	No	4	M	Direct

Footnotes

This option to purchase shares of common stock vests as follows: 12.5% of the total amount of shares subject to the option vest on 8/1/05. 6.25% of the total amount of shares subject to the option vest each three months thereafter until all shares are vested on 2/1/09.
This option to purchase shares of common stock vests as follows: 50% of the total amount of shares subject to the option vest on 5/9/09 and 50% of the total amount of shares subject to the option vest on 8/9/09.