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: Potter Michael G (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-01	Common Stock	M	50000	$1.4	Acquired	50000	Direct
2011-02-01	Common Stock	S	50000	$6.4	Disposed	0	Direct
2011-02-01	Common Stock	M	6250	$1.98	Acquired	6250	Direct
2011-02-01	Common Stock	S	6250	$6.24	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-01	Non-Qualified Stock Option (right to buy)	$1.4	M	50000	Disposed	2016-02-17	Common Stock (50000)	Direct
2011-02-01	Non-Qualified Stock Option (right to buy)	$1.98	M	6250	Disposed	2016-11-03	Common Stock (6250)	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 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.

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.