EXHIBIT 32.1 CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 I, Harry Mund, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Lapis Technologies, Inc. on Form 10-QSB for the quarterly period ended March 31, 2004 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Form 10-QSB fairly presents in all material respects the financial condition and results of operations of Lapis Technologies, Inc. /s/ Harry Mund ------------------------------ Name: Harry Mund Title: Chief Executive Officer Dated: May 24, 2004 19