SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2004 EATON CORPORATION ------------------------------ (Exact name of registrant as specified in its charter) Ohio 1-1396 34-0196300 -------------- ----------- ------------------ (State or other (Commission (I.R.S. Employer jurisdiction of File Number) Identification No.) incorporation) Eaton Center Cleveland, Ohio 44114 ------------------------ ------- (Address of principal executive offices) (Zip Code) (216) 523-5000 --------------------- Registrant's telephone number, including area code Item 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION On January 21, 2004, Eaton Corporation issued a press release announcing financial results for the quarter and year ended December 31, 2003. A copy of this press release is attached hereto as Exhibit 99. 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. Eaton Corporation /s/ R. H. Fearon ----------------- R. H. Fearon Chief Financial Officer Date: January 20, 2004