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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 Adobe Systems Incorporated (the "Registrant") on Form 10-Q for the period ended August 30, 2002 as filed with the Securities and Exchange Commission on the date hereof (the "Report") I, Bruce R. Chizen, President and Chief Executive Officer of the Registrant, certify, in accordance with 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that based on my knowledge:

(1)

the Quarterly Report on Form 10-Q of the Registrant, to which this certification is attached as an exhibit (the "Report"), fully complies with the requirements of section 13(a) of the Securities Exchange Act of 1934 (15 U.S.C. 78m); and



(2)

the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Dated: October 15, 2002 /s/  BRUCE R. CHIZEN Bruce R. Chizen
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