KLA CORP — Director's Dealing 2017

May 4, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KLA TENCOR CORP (KLAC)
CIK: 0000319201
Period of Report: 2017-05-02

Reporting Person: CALDERONI ROBERT (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-02	Common Stock	S	7500	$98.811	Disposed	4292.527	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock - Restricted Stock Units	2141	Direct

Footnotes

F1: Represents the weighted average sales price for the shares. The sales prices ranged from $98.47 to $99.085. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F2: Includes 2,394 shares of Common Stock issued upon the vesting of RSUs on November 4, 2016.

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