UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 23, 2004 ELECTRO SCIENTIFIC INDUSTRIES, INC. ------------------------------------------------------ (Exact name of registrant as specified in its charter) OREGON 0-12853 93-0370304 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 13900 NW Science Park Drive, Portland, Oregon 97229 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (503) 641-4141 NO CHANGE (Former name or former address, if changed since last report) Item 2.02. Results of Operations and Financial Condition. On September 23, 2004, Electro Scientific Industries, Inc. (the "Company") announced its financial results for the first quarter of fiscal 2005. 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 (c) Exhibits 99.1 Press release dated September 23, 2004 2 SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: September 23, 2004. Electro Scientific Industries, Inc. By /s/ J. Michael Dodson ---------------------------------------- J. Michael Dodson Senior Vice President of Administration, Chief Financial Officer and Secretary 3 EXHIBIT INDEX Exhibit Description - ------- ----------- 99.1 Press release dated September 23, 2004. 4