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, Eli Harari, Chief Executive Officer of SanDisk Corporation, certify, pursuant
to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that the Annual Report of SanDisk Corporation on
Form 10-K for the fiscal year ended December 31, 2002 (the "Report") fully
complies with the requirements of section 13(a) or 15(d) of the Securities
Exchange Act of 1934 and that the information contained in the Report fairly
presents, in all material respects, the financial condition and results of
operations of SanDisk Corporation.


By: /s/ Eli Harari
   ---------------------------------
     Eli Harari
     Chief Executive Officer
     March 26, 2003





                    CERTIFICATION OF CHIEF FINANCIAL OFFICER
                                   PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Michael Gray, Chief Financial Officer of SanDisk Corporation, certify,
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that the Annual Report of SanDisk Corporation on
Form 10-K for the fiscal year ended December 31, 2002 (the "Report") fully
complies with the requirements of section 13(a) or 15(d) of the Securities
Exchange Act of 1934 and that the information contained in the Report fairly
presents, in all material respects, the financial condition and results of
operations of SanDisk Corporation.


By:  /s/ Michael Gray
   ---------------------------
      Michael Gray
      Chief Financial Officer
      March 26, 2003