Exhibit 99.2

                                   CERTIFICATE
                                 furnished under
                  Section 906 of the Sarbanes-Oxley Act of 2002


     In connection with the accompanying Annual Report of the Ameren Corporation
Employee Long-Term Savings Plan - IBEW No. 702 (the "Plan") on Form 11-K for the
year ended December 31, 2002 as filed with the Securities and Exchange
Commission (the "Report"), I, Warner L. Baxter, chief financial officer of
Ameren Services Company, the administrator of the Plan, and Central Illinois
Public Service Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the
best of my knowledge:

(1)  The Report fully complies with the requirements of 13(a) or 15(d) of the
     Securities 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 Plan.

     A signed original of this written statement required by Section 906 has
been provided to Central Illinois Public Service Company and will be retained by
Central Illinois Public Service Company and furnished to the Securities and
Exchange Commission or its staff upon request.



                                      /s/ Warner L. Baxter
                                     --------------------------
                                     Warner L. Baxter
                                     Senior Vice President, Finance
                                     Ameren Services Company
                                     (Plan Administrator)
                                     Central Illinois Public Service Company

Date:  June 30, 2003