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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
1363141	C David Wang	C/O Kla-Tencor Corporation One Technology Drive Milpitas CA 95035		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2014-02-25	1,250	$55.88	6,347	No	4	M	Direct
Common Stock	Disposition	2014-02-25	1,250	$65.21	5,097	No	4	S	Direct
Common Stock	Acquisiton	2014-02-25	1,250	$56.79	6,347	No	4	M	Direct
Common Stock	Disposition	2014-02-25	1,250	$65.23	5,097	No	4	S	Direct
Common Stock	Acquisiton	2014-02-25	1,250	$52.84	6,347	No	4	M	Direct
Common Stock	Disposition	2014-02-25	1,250	$65.22	5,097	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-Qualified Stock Option (Right to Buy)	Disposition	2014-02-25	1,250	$0.00	1,250	$55.88
Common Stock	Non-Qualified Stock Option (Right to Buy)	Disposition	2014-02-25	1,250	$0.00	1,250	$56.79
Common Stock	Non-Qualified Stock Option (Right to Buy)	Disposition	2014-02-25	1,250	$0.00	1,250	$52.84

Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
2014-05-01	No	4	M	Direct
2014-07-31	No	4	M	Direct
2014-10-30	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	14,720	Indirect	By Trust
Common Stock - Restricted Stock Units	1,856	Direct

Footnotes

This transaction was executed in multiple trades at prices ranging from $65.211 to $65.232. The price reported above reflects the weighted-average sales price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.
Shares held by the Wang Family Revocable Trust dated 7/2/2013, 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.
Represents a stock option granted on May 1, 2007, granting the Reporting Person the right to purchase up to 1,250 shares of KLA-Tencor common stock. All of the shares subject to this stock option vested immediately and were exercisable on May 1, 2007.
Represents a stock option granted on July 31, 2007, granting the Reporting Person the right to purchase up to 1,250 shares of KLA-Tencor common stock. All of the shares subject to this stock option vested immediately and were exercisable on July 31, 2007.
Represents a stock option granted on October 30, 2007, granting the Reporting Person the right to purchase up to 1,250 shares of KLA-Tencor common stock. All of the shares subject to this stock option vested immediately and were exercisable on October 30, 2007.