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) April 21, 1999 			 TELLABS, INC. 	 (Exact name of registrant as specified in its charter) Delaware 0-9692 36-3831568 (State or other jurisdiction (Commission (IRS employer of incorporation) file number) identification no.) 4951 Indiana Avenue, Lisle, Illinois 60532 (Address of principal executive office) (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 Tellabs, Inc. (the "Company") has announced that its Board of Directors declared a two-for-one stock split of the Company's common shares. New shares will be issued on May 17, 1999 to stockholders of record on May 3, 1999. Further details of this action and other matters are contained in the press release of Tellabs, Inc. dated April 21, 1999 attached hereto as Exhibit 99.1 and incorporated herein by reference. Item 7. Financial Statements and Exhibits (c) Exhibits Exhibit 99.1 - Press Release of Tellabs, Inc. dated April 21, 1999 				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 hereunto duly authorized. 					 TELLABS, INC Date: April 22, 1999 By: /s Robert E. Swininoga -------------- ----------------------- 					Robert E. Swininoga 					Vice President and 					Principal Accounting Officer 				Exhibit Index Exhibit No. Description - ----------- ----------- 99.1 Press Release dated April 21, 1999