Exhibit 99.1

                    CERTIFICATION OF CHIEF EXECUTIVE OFFICER


         I, Robert J. Nugent, Chief Executive Officer of Jack in the Box Inc.
(the "Registrant"), do hereby certify in accordance with 18 U.S.C. 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that,
based on my knowledge:

         (1)  the Quarterly Report on Form 10-Q of the Registrant, to which this
              certification is attached as an exhibit (the "Report"), fully
              complies with the requirements of Section 13(a)of the Securities
              Exchange Act of 1934 (15 U.S.C. 78m); and

         (2)  the information contained in the Report fairly presents, in all
              material respects, the financial condition and results of
              operations of the Registrant.



Dated:  August 8, 2002                    ROBERT J. NUGNET
                                          ------------------------
                                          Robert J. Nugent
                                          Chief Executive Officer