KLA CORP — Director's Dealing 2018

Feb 5, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KLA TENCOR CORP (KLAC)
CIK: 0000319201
Period of Report: 2018-02-01

Reporting Person: Trafas Brian M. (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-01	Common Stock - Restricted Stock Units	M	1775	—	Disposed	42258	Direct
2018-02-01	Common Stock	M	1775	—	Acquired	1775	Direct
2018-02-01	Common Stock	F	655	$111.15	Disposed	1120	Direct
2018-02-02	Common Stock	S	1120	$110.04	Disposed	0	Direct

Footnotes

F1: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F2: On February 1, 2017, the Reporting Person received a grant of RSUs covering 7,100 shares of KLA-Tencor common stock. On February 1, 2018, the Reporting Person vested in 25% of such RSUs.

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 a Form 4 within two business days of the date such assessment is made.

F4: Pursuant to such terms of the February 1, 2017 RSU grant, 655 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding.

F5: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on November 9, 2017.