Wind River Systems 10-Q 2003 Q2 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 Wind River Systems, Inc. (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, Thomas St. Dennis, President 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, 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 results of operations of the Company.

Dated: September 13, 2002 /s/  THOMAS ST. DENNIS      Thomas St. Dennis
President and Chief Executive Officer

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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