Milpitas, California. January 4, 2010.

Nanometrics Announces Upcoming Investor Events

Nanometrics Incorporated (Nasdaq: NANO), a leading supplier of advanced process control metrology systems used primarily in the manufacturing and packaging of semiconductors, solar photovoltaics and high-brightness LEDs, today announced that management will participate in the following investor conferences:

Sidoti & Company First 2010 Micro Cap Conference
The Grand Hyatt Hotel, New York City
Presenting: Jim Moniz, CFO
Date: Monday, January 11th, 2010
Presentation time: 2:30pm EST

12th Annual Needham Growth Conference
New York Palace Hotel
Presenting: Tim Stultz, President and CEO
Date: Thursday, January 14th, 2010
Presentation time: 9:20am EST

The slides presented at both events will be made available on Nanometrics’ website, www.nanometrics.com. Additionally, a webcast of the Needham presentation will be made available on Nanometrics’ website.

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, advanced wafer-scale packaging, 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, from front end of line substrate manufacturing through die preparation for advanced packaging. 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 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