MILPITAS, Calif., May 6 — (PRNewswire) — KLA-Tencor Corporation (Nasdaq: KLAC) today announced that its Board of Directors has declared a quarterly cash dividend of $0.15 per share on its common stock payable on June 1, 2010 to KLA-Tencor stockholders of record as of the close of business on May 17, 2010.

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, LED, 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 more than 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)

SOURCE KLA-Tencor Corporation

Contact:

KLA-Tencor Corporation Investor Relations, Ed Lockwood, Sr. Director, Investor Relations Phone: +1-408-875-9529 Email Contact Media Relations, Meggan Powers, Sr. Director, Corporate Communications Phone: +1-408-875-8733 Email Contact both of KLA-Tencor Corporation Web: http://www.kla-tencor.com