EXHIBIT 99.1

                   CERTIFICATION OF PERIODIC FINANCIAL REPORTS


I, John M. Barth, President and Chief Executive Officer of Johnson Controls,
Inc., certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

         (1) the Annual Report on Form 10-K for the year ended September 30,
         2002 (the "Periodic Report") which this statement accompanies fully
         complies with the requirements of Section 13(a) or 15(d) of the
         Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)) and

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


Dated: December 16, 2002



                                                     /s/ John M. Barth
                                                     ------------------
                                                     John M. Barth