FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 For the month of March 2003 TOWER SEMICONDUCTOR LTD. (Translation of registrant's name into English) P.O. BOX 619, MIGDAL HAEMEK, ISRAEL 10556 (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F x Form 40-F___ --- Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. Yes No x ---- ----- On March 4, 2003, we announced certain changes in our management that will become effective June 1, 2003. Our press release announcing these management changes is attached as Exhibit 1 hereto. This Form 6-K is being incorporated by reference in all effective registration statements filed by us under the Securities Act of 1933. 2 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. TOWER SEMICONDUCTOR LTD. Date: March 4, 2003 By: /s/ Sheldon Krause --------------------------------------- Name: Sheldon Krause Title: Assistant Secretary 3