LAM RESEARCH CORP — Director's Dealing 2011

Mar 4, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: LAM RESEARCH CORP (LRCX)
CIK: 0000707549
Period of Report: 2011-03-02

Reporting Person: MADDOCK ERNEST E (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-02	Common Stock	M	25000	$20.21	Acquired	0	Direct
2011-03-02	Common Stock	S	25000	$56.647	Disposed	38259	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-02	Stock Option (right to buy)	$20.21	M	25000	Disposed	2014-02-26	Common Stock (25000)	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 $56.61 - $56.69, inclusive.