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) January 14, 2004 TELLABS, INC. (Exact name of registrant as specified in its charter) Delaware 0-9692 36-3831568 (State of Incorporation) (Commission file (I.R.S. Employer number) Identification No.) One Tellabs Center, 1415 W. Diehl Road, Naperville, Illinois 60563 (Address of Principal Executive Offices) (Zip Code) Registrant's telephone number, including area code: (630) 378-8800 N/A (Former name or former address, if changed since last report) Item 5. Other Events On January 14, 2004, Tellabs, Inc. issued the press release attached as Exhibit 99 announcing the resignation of Edward H. Kennedy, president-Tellabs North America, effective January 30, 2004. Item 7. Financial Statements and Exhibits. (c) Exhibits Exhibit 99 - Press Release of Tellabs, Inc., Dated January 14, 2004. 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 thereunto duly authorized. TELLABS, INC. ---------------- (Registrant) /s/ James A. Dite -------------------- James A. Dite Vice President and Controller (Principal Accounting Officer) January 15, 2004 - ----------------- (Date) EXHIBIT INDEX Exhibit Number Description -------------- ----------- 99 Press Release of Tellabs, Inc., dated January 14, 2004.