Exhibit 10

AMENDMENT NO. 3 TO EMPLOYMENT AGREEMENT

This Amendment to Executive Employment Agreement (the “Amendment”) is made as of September 30, 2009 between Electro Scientific Industries, Inc. (“ESI” or the “Company”) and Nicholas Konidaris (“Executive”).

Pursuant to an Employment Agreement dated as of January 7, 2004 (the “Employment Agreement”), as amended, between the Company and Executive, the Company agreed to employ Executive, and Executive agreed to provide his services and expertise, in the position of President and Chief Executive Officer.

WHEREAS, the parties wish to amend the Employment Agreement with respect to the payment to Executive in the event there is a termination of Executive without cause or a termination by Executive for good reason.

NOW, THEREFORE, the parties agree as follows:

1. Capitalized terms used herein and not defined herein shall have the meanings assigned to such terms in the Employme