KLA CORP — Director's Dealing 2013

Jan 29, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KLA TENCOR CORP (KLAC)
CIK: 0000319201
Period of Report: 2013-01-25

Reporting Person: Bell Bobby R (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-01-25	Common Stock	M	3250	$51.229	Acquired	26524	Direct
2013-01-25	Common Stock	S	3250	$56.00	Disposed	23274	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-01-25	Non-Qualified Stock Option (Right to Buy)	$51.229	M	3250	Disposed	2013-07-30	Common Stock (3250)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock - Restricted Stock Units	102000	Direct

Footnotes

F1: Includes 31 shares of KLA-Tencor common stock acquired by the Reporting Person under the KLA-Tencor Employee Stock Purchase Plan on December 31, 2012.

F2: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2012, the applicable portion of which plan was administratively transferred to a new broker effective November 2, 2012.

F3: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F4: 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.

F5: Represents a stock option granted on July 30, 2003, granting the Reporting Person the right to purchase up to 3,250 shares of KLA-Tencor common stock. 650 of the shares subject to this stock option vested on the November 8, 2003, and 1/48 of the remaining 2,600 shares subject to this stock option vested on December 8, 2003 and each monthly anniversary thereafter until November 8, 2007.