LATTICE SEMICONDUCTOR CORP — Director's Dealing 2016

May 16, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LATTICE SEMICONDUCTOR CORP (LSCC)
CIK: 0000855658
Period of Report: 2016-05-13

Reporting Person: Billerbeck Darin G (Director, President & CEO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-05-13	Non-Qualified Stock Option (right to buy)	$5.28	A	202000.0	Acquired	2023-05-13	Common Stock (202000)	Direct
2016-05-13	Non-Qualified Stock Option (right to buy)	$5.28	A	139900.0	Acquired	2023-05-13	Common Stock (139900)	Direct
2016-05-13	Restricted Stock Unit (RSU)	$0.0	A	167000.0	Acquired		Common Stock (167000)	Direct

Footnotes

F1: 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.

F2: Grants of Performance Options vest as follows: 100% on the second anniversary of the grant date upon achievement of the performance conditions.

F3: Each Restricted Stock Unit (RSU) represents a right to receive one share of the Issuers common shares without payment of specific consideration.

F4: This grant of Restricted Stock Units (RSUs) vest as follows: 25% of the RSUs will vest upon the one-year anniversary of the grant date and an additional 6.25% of the RSUs vest each three months thereafter until 100% of the RSU grant is vested.

F5: Not applicable.