LATTICE SEMICONDUCTOR CORP — Director's Dealing 2013

Feb 5, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LATTICE SEMICONDUCTOR CORP (LSCC)
CIK: 0000855658
Period of Report: 2013-02-01

Reporting Person: Milstead Byron Wayne (VP Corp, General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-02-01	Common Stock	M	992	—	Acquired	5311	Direct
2013-02-01	Common Stock	F	413	$4.625	Disposed	4898	Direct
2013-02-04	Common Stock	M	8125	$1.98	Acquired	13023	Direct
2013-02-04	Common Stock	S	8125	$4.5816	Disposed	4898	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-02-04	Non-Qualified Stock Option (right to buy)	$1.98	M	8125	Disposed	2016-11-03	Common Stock (8125)	Direct
2013-02-01	Restricted Stock Unit (RSU)	$0	M	992	Disposed		Common Stock (992)	Direct

Footnotes

F1: Restricted Stock Units - no purchase price for this transaction.

F2: These shares were retained by the Issuer in order to meet the tax withholding obligations of the Reporting Person in connection with the vesting of an installment of the restricted stock units. The amoun retained by the Issuer was not in excess of the amount of the tax liability.

F3: 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.

F4: Each Restricted Stock Unit (RSU) represents a right to receive one share of the Issuers common shares without payment of specific consideration.

F5: Grants of Restricted Stock Units (RSUs) vest as follows: 25% of the RSUs will vest on the first anniversary of the date of grant, and an additional 6.25% of the RSUs shall vest at the end of each three month period thereafter.

F6: Not applicable.