<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>3
<FILENAME>k75383exv99.txt
<DESCRIPTION>CERTIFICATION OF CEO AND CFO
<TEXT>
<PAGE>
                                                                    EXHIBIT (99)


                    CERTIFICATION OF CEO AND CFO PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



In connection with the Quarterly Report on Form 10-Q/A of Consumers Energy
Company (the "Company") for the quarterly period ended September 30, 2002 as
filed with the Securities and Exchange Commission on the date hereof (the
"Report"), Kenneth Whipple, as Chairman of the Board and Chief Executive Officer
of the Company, and Thomas J. Webb, as Executive Vice President and Chief
Financial Officer of the Company, each hereby certifies, pursuant to 18 U.S.C.
ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002,
that, to the best of his knowledge:

     (1) The Report 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 the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.



/s/  Kenneth Whipple
-------------------------------------
Name:    Kenneth Whipple
Title:   Chairman of the Board and
         Chief Executive Officer
Date:    March 14, 2003



/s/  Thomas J. Webb
-------------------------------------
Name:    Thomas J. Webb
Title:   Executive Vice President and
         Chief Financial Officer
Date:    March 14, 2003


This certification accompanies the Report pursuant to ss. 906 of the
Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the
Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of
ss. 18 of the Securities Exchange Act of 1934, as amended.


</TEXT>
</DOCUMENT>
