Electro Scientific Industries, Inc. (Nasdaq:ESIO), a leading supplier of innovative laser-based manufacturing solutions for the microtechnology industry, will announce results for its fiscal 2012 third quarter after the market closes on Thursday, January 26, 2012. Following the release, Nick Konidaris, chief executive officer of ESI, will host a conference call at 2:00 p.m. PT to discuss the company's results along with business highlights and outlook. A webcast of the conference call will also simultaneously be aired, with access available at investors.esi.com.

What:   ESI Fiscal 2012 Q3 Earnings Conference Call
When: Thursday, January 26, at 2:00 p.m. PT
How: Live call participants can dial 888-419-5570 (domestic) or 617-896-9871 (international) and use passcode 50336551.
Webcast:

http://investors.esi.com

Replay:

At call's completion, an audio replay will be available at investors.esi.com or by calling 888-286-8010 (domestic) or 617-801-6888 (international) and using passcode 79943740. The phone replay will be available through February 5, 2012.

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.

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