ESI Declares Special Dividend

  ESI Declares Special Dividend

Business Wire

PORTLAND, Ore. -- December 03, 2012

Electro Scientific Industries, Inc. (Nasdaq:ESIO), a leading supplier of
innovative laser-based manufacturing solutions for the microtechnology
industry, today announced that its board of directors declared a special cash
dividend of $2.00 per share. The dividend is payable December 27, 2012 to
shareholders of record as of the close of business on December 13, 2012.

“We are pleased to be in a position to pay a special dividend to
shareholders,” said Nick Konidaris, president and CEO of ESI. “Today’s
announcement reflects our commitment to return excess cash to shareholders
following our recent successful patent settlement. The board believes a
special dividend paid at this time represents an opportunistic and
tax-efficient way to return value to shareholders.”

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