CAO Csk Auto Corp

Item 1.01. Entry into a Material Definitive Agreement

     As previously reported on CSK Auto Corporation’s (the “Company”) Quarterly Report on Form 10-Q filed on December 19, 2007 (the “Form 10-Q”), on December 18, 2007, CSK Auto Inc., a wholly owned subsidiary of the Company (“Auto”) entered into a fourth amendment to its Term Credit Agreement (the “Amendment”), dated as of June 30, 2006, among Auto, the Lenders party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent., and Lehman Commercial Paper Inc. and Wachovia Bank, National Association, as Co-Syndication Agents (as previously amended, the “Term Loan Facility”). A copy of the Amendment was filed as an exhibit to the Form 10-Q that did not represent the final agreement between the parties; namely, it failed to reflect that prior to the second anniversary of the Amendment under all circumstances a prepayment penalty will apply to optional prepayments under the Term Loan Facility with the proceeds of any loans under any credit facility and any repricing of loans under the Term Loan Facility. A copy of the Amendment reflecting this provision is attached as Exhibit 10.1 to this Current Report and is incorporated herein by reference, and the version filed with the Form 10-Q should not be relied upon. For a description of the other changes effected by the Amendment, see “Other Events” in Part II, Item 5 of the Form 10-Q.

     The description of the Amendment set forth in this Item 1.01 is not complete and is qualified in its entirety by reference to the full text of the amendment, filed as Exhibit 10.1 to this report and incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

(d) The following exhibit is filed with this Form 8-K: