Published: July 29, 2010

CORRECTING and REPLACING Nanometrics Announces Upcoming Investor Conferences

MILPITAS, Calif. - (BUSINESS WIRE) - After the first graph, under the first listed event, the date should read: August 9, 2010 (sted August 9, 2011)

The corrected release reads:

NANOMETRICS ANNOUNCES UPCOMING INVESTOR CONFERENCES

Nanometrics Incorporated (Nasdaq: NANO), a leading provider of advanced process control metrology systems used primarily in the fabrication of semiconductors, high-brightness LEDs, data storage devices and solar photovoltaics, today announced its planned participation at the following upcoming investor conferences:

12th Annual Pacific Crest Technology Leadership Forum
August 8-10, 2010
Vail, CO
Speaker: Tim Stultz, President and CEO
Event: Industry panel discussion on August 9, 2010

Oppenheimer Annual Technology, Media & Telecommunications Conference
August 10-11, 2010
Boston, MA
Speaker: Jim Moniz, CFO
Presentation Time: August 10, 2010 at 11:10 a.m. ET

Presentation slides for both events, and an audio webcast of the Oppenheimer conference presentation, will be made available on the investor page of Nanometrics' website, www.nanometrics.com.

About Nanometrics

Nanometrics is a leading provider of advanced, high-performance process control metrology systems used primarily in the fabrication of semiconductors, high-brightness LEDs, data storage devices and solar photovoltaics. Nanometrics' automated and integrated metrology systems measure critical dimensions, device structures, overlay registration, topography and various 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 Global Market under the symbol NANO. Nanometrics' website is http://www.nanometrics.com.

Headgate Partners LLC
Investor Relations Contact:
Claire McAdams, 530-265-9899
fax: 530-265-9699
email: claire@headgatepartners.com
or
Nanometrics Incorporated
Company Contact:
James Moniz, CFO, 408-545-6145
fax: 408-521-9370
email: jmoniz@nanometrics.com