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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
1338874	P Sean Riley	5555 N.e. Moore Ct. Hillsboro OR 97124	Corporate Vp & Gm, Hds	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	Explanation
Common Stock	Acquisiton	2010-11-01	20,000	$2.27	20,000	No	4	X	Direct
Common Stock	Disposition	2010-11-01	20,000	$4.79	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	X	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	2010-11-01	20,000	$0.00	20,000	$2.27

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
430,000	2009-09-22	2015-09-22	No	4	X	Direct

Footnotes

The transaction indicated was conducted under an approved 10b5-1 Plan.
The price indicated is the weighted average sale price for the shares sold. The individual sale prices for the shares indicated range from $4.77 to $4.83.
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 9/22/2009. 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 9/22/2012.