MILPITAS, Calif., Dec. 3, 2009—KLA-Tencor Corporation (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 Barclays Capital Global Technology Conference, to be held on Wednesday, Dec. 9 at 1:30 p.m. (PST) in San Francisco, Calif.

The live webcast will be available on the Investor Relations page of KLA-Tencor’s Web site at http://ir.kla-tencor.com/ and a replay of the webcast will be available via the Internet for 180 days following the conference call.

About KLA-Tencor:
KLA-Tencor Corporation (NASDAQ: KLAC), 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 www.kla-tencor.com. (KLAC-F)