MGM Resorts International (MGM) 10-Q 2002 Q3 Quarterly report

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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 MGM MIRAGE (the "Company") on Form 10-Q for the period ending September 30, 2002 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, J. Terrence Lanni, Chairman and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, 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/  J. TERRENCE LANNI      J. Terrence Lanni
Chairman and Chief Executive Officer
November 13, 2002

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EXHIBIT 99.1