Nanometrics Incorporated (NASDAQ:NANO), a leading supplier of advanced process control systems and solutions, will release its fourth quarter and full year 2011 financial results after market close on February 8, 2012. A conference call to discuss the results will be held at 4:30 PM ET.

To participate in Nanometrics' fourth quarter and full year 2011 conference call:

Dial-In Numbers:
(877) 374-4041 (U.S.)
(253) 237-1156 (Int'l)

A live webcast of the conference call can be accessed from Nanometrics' website at www.nanometrics.com.

If you are unable to participate during the live conference call, a webcast recording will be made available on Nanometrics' website.

About Nanometrics

Nanometrics is a leading provider of advanced, high-performance process control metrology and inspection systems used primarily in the fabrication of semiconductors, high-brightness LEDs, data storage devices and solar photovoltaics. Nanometrics' automated and integrated metrology and inspection systems provide for control of critical dimensions, device structures, overlay registration, topography, thin film properties, including film thickness as well as optical, electrical and material properties. The company's process control solutions are deployed throughout the fabrication process, from front-end-of-line substrate manufacturing, to high-volume production of semiconductors and other devices, to advanced wafer-scale packaging applications. Nanometrics' 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 Select Global Market under the symbol NANO. Nanometrics' website is www.nanometrics.com.

Headgate Partners LLC
Claire McAdams, 530-265-9899 (Investor Relations)
claire@headgatepartners.com
or
Nanometrics Incorporated
Ron Kisling, CFO, 408-545-6143
rkisling@nanometrics.com