Nanometrics Announces New Independent Auditor

Tom Bentley, chairman of Nanometrics’ audit committee, announced today that BDO Seidman, LLP has been selected to become the independent auditor for the 2004 fiscal and calendar year.

"BDO Seidman will provide the national and international coverage with access to significant audit experience and resources,” Mr. Bentley said.

About Nanometrics:
Nanometrics Incorporated is a leading supplier of advanced integrated and standalone metrology equipment used in the semiconductory industry. The Company's corporate office is located at 1550 Buckeye Drive, Milpitas, CA 95035, with sales and service offices worldwide. Nanometrics is traded on the NASDAQ National Market under the symbol NANO. Nanometrics' website is http://www.nanometrics.com.

About BDO Seidman, LLP:
BDO Seidman, LLP is a leading national professional services firm providing tax, assurance, financial advisory and consulting services to private and publicly traded businesses. For more than 90 years, BDO Seidman, LLP has provided quality service and leadership through the active involvement of our most experienced and committed professionals.

BDO Seidman, LLP serves clients through more than 35 offices and 250 independent alliance firm locations nationwide. As a Member Firm of BDO International, BDO Seidman, LLP serves multi-national clients by leveraging a global network of resources comprised of nearly 600 member firm offices in 99 countries. BDO International is a worldwide network of public accounting firms, called BDO Member Firms, serving international clients. Each BDO Member Firm is an independent legal entity in its own country. For more information on BDO Seidman, LLP, visit its Web site at www.bdo.com.

Contact:
Paul Nolan
Nanometrics
408.435.9600