Milpitas, California. June 24, 2009.

NANOMETRICS TO CO-HOST CEO INVESTOR SUMMIT DURING SEMICON WEST AND INTERSOLAR

Nanometrics Incorporated (Nasdaq: NANO) today announced the company will co-host the CEO Investor Summit—a forum that will bring investors and analysts together with executives from six leading capital equipment companies in an efficient, relaxed atmosphere. The CEO Investor Summit will be held on Wednesday, July 15, 2009 from 4:00 to 6:00 pm Pacific Time at the Four Seasons Hotel in San Francisco. Nanometrics President & CEO Tim Stultz and CFO Jim Moniz will represent Nanometrics.

The CEO Investor Summit is scheduled to coincide with the SEMICON West and Intersolar conferences, which will be held in San Francisco July 14-16. Joining Nanometrics as co-hosts are: Intevac, Inc., Kulicke & Soffa Industries, Inc., LTX-Credence Corporation, Mattson Technology Inc. and Ultratech, Inc.

Investors and analysts interested in meeting with Nanometrics executives should RSVP to Claire McAdams at claire@headgatepartners.com or call (530) 265-9899 by July 10, 2009.

About Nanometrics
Nanometrics is a leader in the design, manufacture and marketing of high-performance process control metrology systems used primarily in the manufacturing of semiconductors, solar photovoltaics and high-brightness LEDs, as well as by customers in the silicon wafer and data storage industries. Nanometrics standalone and integrated metrology systems measure various thin film properties, critical dimensions, overlay control, topography and optical, electrical and material properties, including the structural composition of silicon, compound semiconductor and photovoltaic devices, during various steps of the manufacturing process. These systems enable device manufacturers to improve yields, increase productivity and lower their manufacturing costs. The company maintains its headquarters in Milpitas, California, with sales and service offices worldwide. Nanometrics is traded on NASDAQ Global Market under the symbol NANO. Nanometrics’ website is http://www.nanometrics.com.

Contact
Nanometrics Contact:
Jim Moniz, CFO
408-545-6145 tel; 408-521-9370 fax
jmoniz@nanometrics.com

Investor Relations:
Claire McAdams
Headgate Partners LLC
530-265-9899 tel; 530-265-9699 fax
claire@headgatepartners.com