EXHIBIT 13.1


Certification Required by Rule 13a-14(b) or Rule 15d-14(b) and 18 U.S.C. Section
1350 (as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)

      I, Jaron Lotan, as Chief Executive Officer of Tecnomatix Technologies Ltd.
(the "Company"), certify, pursuant to 18 U.S.C. Section 1350 (as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002), that, to my
knowledge:

      (1) The accompanying annual report on Form 20-F of the Company for the
fiscal year ended December 31, 2003 (the "Report"), filed with the U.S.
Securities and Exchange Commission, fully complies with the requirements of
section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

      (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and result of operations of the
Company.


/S/ Jaron Lotan*
----------------
Jaron Lotan
Chief Executive Officer
March  31, 2004


*The originally executed copy of this Certification will be maintained at the
Company's offices and will be furnished to the Securities Exchange Commission or
its staff upon request.