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): October 9, 2003 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 5. Other Events See Item 12 below. Item 12. Results of Operations and Financial Condition. On October 9, 2003, Electro Scientific Industries, Inc. (the "Company") announced its financial results for the first quarter of fiscal 2004. The Company's press release announcing this event is attached hereto as Exhibit 99.1. Item 7. Financial Statements and Exhibits (c) Exhibits. 99.1 Press release dated October 9, 2003. 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: October 9, 2003. Electro Scientific Industries, Inc. By /s/ J. Michael Dodson ------------------------------------ J. Michael Dodson Senior Vice President of Administration and Chief Financial Officer 3 EXHIBIT INDEX Exhibit Description 99.1 Press release dated October 9, 2003. 4