LAM RESEARCH CORP — Director's Dealing 2011

May 12, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LAM RESEARCH CORP (LRCX)
CIK: 0000707549
Period of Report: 2011-05-10

Reporting Person: Anstice Martin B (President & COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-10	Common Stock	M	10000	$20.21	Acquired	0	Direct
2011-05-10	Common Stock	S	10000	$48.027	Disposed	67768	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-10	Stock Option (right to buy)	$20.21	M	10000	Disposed	2014-02-26	Common Stock (10000)	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.01 - $48.09, inclusive.