U.S. 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) November 5, 2003 WILSON GREATBATCH TECHNOLOGIES, INC. ------------------------------------ (Exact name of registrant as specified in its charter) Delaware 1-16137 16-1531026 -------------------------------------------------------------------------------- (State or other jurisdiction (Commission File (IRS Employer of incorporation) Number) Identification No.) 9645 Wehrle Drive, Clarence, New York 14031 -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code (716) 759-6901 Not Applicable -------------------------------------------------------------------------------- (Former name or former address, if changed since last report) ITEM 9. REGULATION FD DISCLOSURE On November 5, 2003, Wilson Greatbatch Technologies, Inc. issued a press release announcing the Company's earnings for the fiscal quarter ended October 3, 2003. A copy of the release is furnished with this report as an exhibit pursuant to Item 12 under Item 9 of this Form 8-K. SIGNATURES 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, thereunto duly authorized. Dated: November 5, 2003 Wilson Greatbatch Technologies, Inc. By /s/ Lawrence P. Reinhold ----------------------------------- Lawrence P. Reinhold Executive Vice President and Chief Financial Officer (Principal Financial and Accounting Officer) EXHIBIT NUMBER DESCRIPTION ------ ----------- 99.1 Earnings Release of Wilson Greatbatch Technologies, Inc. dated November 5, 2003.