EXHIBIT 99.1


         KMART CORPORATION
         SARBANES-OXLEY ACT SECTION 906 CERTIFICATION


         In connection with this Annual Report on Form 10-K of Kmart Corporation
for the fiscal year ended January 29, 2003, I, Julian C. Day, Chief Executive
Officer of Kmart Corporation, hereby certify pursuant to 18 U.S.C. 1350, as
adopted pursuant to 906 of the Sarbanes-Oxley Act of 2002, that to the best of
my knowledge:

         1. this Form 10-K 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 this Form 10-K fairly presents, in all
material respects, the financial condition and results of operations of Kmart
Corporation.


         Date: March 24, 2003

    /s/ Julian C. Day
    -------------------------
    Julian C. Day
    Chief Executive Officer