LAM RESEARCH CORP — Director's Dealing 2018

Mar 5, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LAM RESEARCH CORP (LRCX)
CIK: 0000707549
Period of Report: 2018-03-01

Reporting Person: O'Dowd Sarah A (SVP, Chief Legal Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-03-01	Common Stock	F	1003	$190.07	Disposed	47518	Direct
2018-03-01	Common Stock	F	798	$190.07	Disposed	46720	Direct
2018-03-01	Common Stock	A	2947	—	Acquired	49667	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-03-01	Market-based Performance Restricted Stock Unit	$0.0	A	3684	Acquired		Common Stock (3684.0)	Direct
2018-03-01	Employee Stock Option (Right to Buy)	$190.07	A	2944	Acquired	2025-03-01	Common Stock (2944.0)	Direct

Footnotes

F1: Amount reported includes shares subject to unvested Restricted Stock Units.

F2: The Restricted Stock Units will vest in three equal installments on 03/01/2019, 03/01/2020, and 03/01/2021.

F3: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 03/01/2021. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 02/01/2018 through 01/31/2021.

F4: The stock option becomes exercisable in three equal installments on 03/01/2019, 03/01/2020, and 03/01/2021.