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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
319201	Kla Tencor Corp	KLAC	Optical Instruments & Lenses (3827)	042564110

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1196898	P Richard Wallace	C/O Kla-Tencor Corporation One Technology Drive Milpitas CA 95035	President And Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2012-11-15	3,338	$44.81	60,500	No	4	S	Indirect	By Trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	By Trust

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock - Restricted Stock Units	248,500	Direct

Footnotes

This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2009, as modified most recently on December 9, 2011, which plan was administratively transferred to a new broker effective November 2, 2012.
Shares held under the Wallace Living Trust u/a/d 03/27/01, as amended, a trust of which the Reporting Person is a trustee and beneficiary.
Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.
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.