ESI to Present at the Security Research Associates Fall Growth Stock Conference

  ESI to Present at the Security Research Associates Fall Growth Stock
  Conference

Security Research Associates Fall Growth Stock Conference 2012

Business Wire

PORTLAND, Ore. -- October 22, 2012

Electro Scientific Industries, Inc. (NASDAQ: ESIO), a leading supplier of
innovative laser-based manufacturing solutions for the microtechnology
industry, today announced it will be presenting at the Security Research
Associates 8^th Annual Fall Growth Stock Conference taking place October
29-30, 2012, at the Ritz Carlton Hotel in San Francisco, California.

ESI’s presentation, focusing on the company’s strategy and financial
performance, will begin at 3:30 p.m. Pacific Time on October 30. A webcast of
the event will be available at http://investors.esi.com.

About ESI, Inc.

ESI is a leading supplier of innovative, laser-based manufacturing solutions
for the microtechnology industry. Our systems enable precise structuring and
testing of micron to submicron features in electronic devices, semiconductors,
LEDs and other high-value components. We partner with our customers to make
breakthrough technologies possible in the microelectronics, semiconductor and
other emerging industries. Founded in 1944, ESI is headquartered in Portland,
Ore., with global operations from the Pacific Northwest to the Pacific Rim.
More information is available at www.esi.com.

Contact:

ESI
Brian Smith, 503-672-5760
smithb@esi.com