CSK Auto (CAO) 10-Q 2002 Q3 Quarterly report

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 CSK Auto Corporation (the “Company”) on Form 10-Q for the period ending August 4, 2002 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Maynard Jenkins, 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 result of operations of the Company.

/s/ Maynard Jenkins

Maynard Jenkins
Chief Executive Officer
September 18, 2002