Exhibit 99.2





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

     I, Warner L. Baxter, chief financial officer of Ameren Corporation,  hereby
certify  that to the best of my  knowledge,  the  accompanying  Report of Ameren
Corporation  on Form 10-Q for the quarter  ended  March 31, 2003 fully  complies
with the  requirements of Section 13(a) or 15(d) of the Securities  Exchange Act
of 1934 and that information  contained in such Report fairly  presents,  in all
material respects,  the financial  condition and results of operations of Ameren
Corporation.



                                                  /s/ Warner L. Baxter
                                                  ------------------------------
                                                  Warner L. Baxter
                                                  Senior Vice President, Finance
                                                  (Principal Financial Officer)

Date:  May 14, 2003



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