EXHIBIT 99.B

                            CERTIFICATION 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 Annual Report of the El Paso Corporation
Retirement Savings Plan (the "Plan") on Form 11-K for the period ending December
31, 2002 as filed with the Securities and Exchange Commission on the date hereof
(the "Report"), I, D. Dwight Scott, Executive Vice President and Chief Financial
Officer of El Paso Corporation, certify that (i) the Report fully complies with
the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of
1934, as amended, and (ii) the information contained in the Report fairly
presents, in all material respects, the net assets available for benefits and
changes in net assets available for benefits of the Plan.

                                                 /s/ D. Dwight Scott
                                                 ------------------------------
                                                 D. Dwight Scott
                                                 Executive Vice President and
                                                 Chief Financial Officer
                                                 (Principal Financial Officer)

                                                 June 30, 2003

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