Exhibit 99.2






                    Certification of Periodic Financial Report
                        Pursuant to 18 U.S.C. Section 1350



     For purposes of 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, the undersigned, F. A. Risch, the principal
financial officer of Exxon Mobil Corporation (the "Company"), hereby certifies
that, to his knowledge:

          (i)    the Quarterly Report on Form 10-Q of the Company for the
quarter ended September 30, 2002, as filed with the Securities and Exchange
Commission on the date hereof (the "Report") fully complies with the
requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934;
and

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


Dated:  November 12, 2002



                                            /s/ F. A. Risch
                                            ____________________________
                                            F. A. Risch
                                            Vice President and Treasurer
                                            (Principal Financial Officer)



















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