KLA CORP — Director's Dealing 2011

Mar 29, 2011

SEC Form 4/A — Form 4/A

Issuer: KLA TENCOR CORP (KLAC)
CIK: 0000319201
Period of Report: 2010-11-03

Reporting Person: CALDERONI ROBERT (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-03	Common Stock - Restricted Stock Units	A	2772	—	Acquired	5920	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	8417.627	Direct

Footnotes

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

F2: The restricted stock units will fully vest one year from date of grant and will be deliverable on such date.

F3: Amount has been revised to include an additional 113.627 shares of KLA-Tencor common stock acquired by Mr. Calderoni prior to the filing date of the original Form 4 pursuant to automatic reinvestments of dividends paid on KLA-Tencor common stock, which shares were not included in Mr. Calderoni's common stock holdings reported in the original Form 4. Pursuant to such dividend reinvestments, Mr. Calderoni acquired 41.225 shares of KLA-Tencor common stock on June 1, 2010 at a price of $30.21 per share, and 72.402 shares of KLA-Tencor common stock on September 1, 2010 at a price of $28.82 per share.