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Certification pursuant to Section 906                               EXHIBIT 99.1

                            CERTIFICATION PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
                            (18 U.S.C. SECTION 1350)

         In connection with the Quarterly Report of Martin Midstream Partners
L.P., a Delaware limited partnership (the "Partnership"), on Form 10-Q for the
quarter ending September 30, 2002 as filed with the Securities and Exchange
Commission (the "Report"), I, Ruben S. Martin, III, President and Chief
Executive Officer of Martin Midstream GP LLC, the general partner of the
Partnership, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
(18 U.S.C. Section 1350), that to my 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 result of
                  operations of the Partnership.

         /s/ RUBEN S. MARTIN, III,
         ---------------------------------
         By: Ruben S. Martin, III, President and Chief Executive Officer
             of Martin Midstream GP LLC,
             the general partner of Martin Midstream Partners L.P.

         December 12, 2002




