MILPITAS, Calif., January 11, 2010KLA-Tencor Corporation (NASDAQ: KLAC), the world’s leading supplier of process control and yield management solutions for the semiconductor and related industries, today announced that the company will provide a live audio webcast of a conference call to review its second quarter fiscal year 2010 results on Thursday, January 28, 2010 at 2:00 p.m. PST. 
The live webcast will be available on the Investor Relations page of KLA-Tencor’s website at, and a replay of the webcast will be available on KLA-Tencor’s Investor Relations page following the conference call.

About KLA-Tencor:
KLA-Tencor Corporation, a leading provider of process control and yield management solutions, partners with customers around the world to develop state-of-the-art inspection and metrology technologies. These technologies serve the semiconductor, data storage, compound semiconductor, photovoltaic, and other related nanoelectronics industries. With a portfolio of industry-standard products and a team of world-class engineers and scientists, the company has created superior solutions for its customers for over 30 years. Headquartered in Milpitas, California, KLA-Tencor has dedicated customer operations and service centers around the world. Additional information may be found at (KLAC-F)


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Investor Relations:
Ed Lockwood
Sr. Director, Investor Relations
(408) 875-9529
Media Relations:
Meggan Powers
Sr. Director, Corporate Communications
(408) 875-8733


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