exv99w1

EX-99.1 5 a85682exv99w1.htm EXHIBIT 99.1 exv99w1

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

The undersigned hereby certifies, in his capacity as Chief Executive Officer of Western Digital Corporation (the “Company”), for purposes of 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of his knowledge:

• the Quarterly Report of the Company on Form 10-Q for the period ended September 27, 2002 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934; and

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

Dated: November 8, 2002

/s/ MATTHEW E. MASSENGILL

Matthew E. Massengill
Chief Executive Officer

	•		the Quarterly Report of the Company on Form 10-Q for the period ended September 27, 2002 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934; and

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