KLA-Tencor Announces Live Webcast of Upcoming Investor Presentation

SAN JOSE, Calif.--(BUSINESS WIRE)--

KLA-Tencor Corp. (Nasdaq:KLAC), the world leader in yield management and process control solutions for semiconductor manufacturing and related industries, today announced that the company will provide a live webcast of its presentation at the Citigroup 14th Annual Global Technology Conference, to be held on Thursday, September 6, 2007, at 5:00 a.m. (PT).

The webcast will be available on KLA-Tencor's website at http://www.kla-tencor.com, on the Investors page.

About KLA-Tencor: KLA-Tencor is the world leader in yield management and process control solutions for semiconductor manufacturing and related industries. Headquartered in San Jose, Calif., the company has sales and service offices around the world. An S&P 500 company, KLA-Tencor is traded on the Nasdaq Global Select Market under the symbol KLAC. Additional information about the company is available on the Internet at http://www.kla-tencor.com.

Source: KLA-Tencor Corp.

Released August 21, 2007