EXHIBIT 99.1

EXHIBIT 99.1


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 the Quarterly Report of Marvell Technology Group Ltd.
(the "Company") on Form 10-Q for the period ending July 31, 2002 as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I, Dr.
Sehat Sutardja, Ph.D., Chief Executive Officer of 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:

(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 result of operations
of the Company.


/s/ Sehat Sutardja
- --------------------------------
Dr. Sehat Sutardja, Ph.D.
Co-Chairman of the Board,
President and Chief Executive Officer
September 16, 2002