CSK Auto Corp. Investor Presentation to be Available on Web Site

PHOENIX--April 13, 2004--CSK Auto Corp. , the parent company of CSK Auto Inc., a specialty retailer in the automotive aftermarket, will be posting on its Web site the slides included in its current investor presentation used by the company's senior management. The presentation has been updated to reflect the company's fourth quarter and fiscal 2003 financial results.

The slides will be available to interested parties commencing on April 13, 2004 through the company's Web site at www.cskauto.com by pointing one's browser and clicking on "Company," "Investor Relations" and then "Presentations."

CSK Auto Corp. is the parent company of CSK Auto Inc., a specialty retailer in the automotive aftermarket. As of Feb. 1, 2004, the company operated 1,114 stores in 19 states under the brand names Checker Auto Parts, Schuck's Auto Supply and Kragen Auto Parts.