On May 9, 2017, Electro Scientific Industries, Inc. (the “Company”) announced its financial results for the fourth quarter>and full year fiscal 2016. The Company’s press release announcing this event is attached hereto as Exhibit 99.1 and incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits

(d)Exhibits

99.1 Press release dated May 9, 2017>

About ELECTRO SCIENTIFIC INDUSTRIES, INC. (NASDAQ:ESIO)

Electro Scientific Industries, Inc. and its subsidiaries supply laser-based manufacturing solutions for industries reliant on microtechnologies. The Company operates through two segments: Component Processing and Micromachining. The Component Processing segment includes interconnect products, semiconductor products and component products. The interconnect, semiconductor and component products are sold to manufacturers of electronic components and are used to drill, cut, trim, ablate and test and mark features for the functionality of the component. The Micromachining segment includes products that are sold to manufacturers of end devices across various industries and are used to drill, cut or mark features on a range of materials, generally on the casing or external surface of the end device. Its integrated solutions allow industrial designers and process engineers to control the power of laser light to transform materials. It has operations in Asia, Europe and North America.

ELECTRO SCIENTIFIC INDUSTRIES, INC. (NASDAQ:ESIO) Recent Trading Information

ELECTRO SCIENTIFIC INDUSTRIES, INC. (NASDAQ:ESIO) closed its last trading session up +0.30 at 7.45 with 85,641 shares trading hands.