EXHIBIT 99.1

                    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, Jure Sola, 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 Sanmina-SCI Corporation on Form 10-Q for the quarter ended December
28, 2002 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 Quarterly
Report on Form 10-Q fairly presents in all material respects the financial
condition and results of operations of Sanmina-SCI Corporation.

                                                  By: /s/ JURE SOLA
                                                  ------------------------------
                                                  Name:  Jure Sola
                                                  Title: Chief Executive Officer
                                                  Date:  February 10, 2003