KLA CORP — Director's Dealing 2012

Jan 30, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KLA TENCOR CORP (KLAC)
CIK: 0000319201
Period of Report: 2012-01-27

Reporting Person: Kirloskar Virendra A (SVP & Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-01-27	Common Stock	M	10000	$47.95	Acquired	10297	Direct
2012-01-27	Common Stock	S	10000	$52.95	Disposed	297	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-01-27	Non-Qualified Stock Option (Right to Buy)	$47.95	M	10000	Disposed	2012-09-26	Common Stock (10000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock - Restricted Stock Units	27650	Direct

Footnotes

F1: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 7, 2011.

F2: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F3: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on Form 4 within two business days of the date such assessment is made.

F4: Represents a stock option granted on September 26, 2005, granting the Reporting Person the right to purchase up to 10,000 shares of KLA-Tencor common stock. 2,000 of the shares subject to this stock option vested on September 26, 2006, and 1/48 of the remaining 8,000 shares subject to this stock option vested on October 26, 2006 and each monthly anniversary thereafter until September 26, 2010.