LATTICE SEMICONDUCTOR CORP — Director's Dealing 2011

Feb 2, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LATTICE SEMICONDUCTOR CORP (LSCC)
CIK: 0000855658
Period of Report: 2011-02-01

Reporting Person: Fanning Christopher M (CVP Low Density & Mixed Signal)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-01	Common Stock	M	19848	$1.5	Acquired	49200	Direct
2011-02-01	Common Stock	S	19848	$6.4	Disposed	29352	Direct
2011-02-01	Common Stock	M	5152	$1.73	Acquired	34504	Direct
2011-02-01	Common Stock	S	5152	$6.4	Disposed	29352	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-01	Non-Qualified Stock Option (right to buy)	$1.5	M	19848	Disposed	2016-02-03	Common Stock (19848)	Direct
2011-02-01	Non-Qualified Stock Option (right to buy)	$1.73	M	5152	Disposed	2015-11-03	Common Stock (5152)	Direct

Footnotes

F1: 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.

F2: 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.