EXHIBIT 13.(A).1. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with this Amendment No. 1 to Annual Report of Tefron Ltd. (the "Company") on Form 20-F/A for the period ending December 31, 2003, as filed with the Securities and Exchange Commission on the date hereof (the Form 20-F, as amended, called the "Report"), the undersigned hereby certify that to the best of our knowledge: 1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and 2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Date: September 21, 2004 /s/ Yosef Shiran ----------------------- Yosef Shiran Chief Executive Officer Date: September 21, 2004 /s/ Gil Rozen ----------------------- Gil Rozen Chief Financial Officer