EXHIBIT 99.1


                        CERTIFICATION OF QUARTERLY REPORT

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section
1350, Arnold H. Brackenridge, President, Chief Executive Officer and Chief
Operating Officer of TransTexas Gas Corporation (the "Company") and Ed Donahue,
Vice President, Chief Financial Officer and Secretary of the Company, certify
that to his knowledge:

         1.       The Quarterly Report on Form 10-Q of the Company for the
                  period ended October 31, 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, as amended; and

         2.       The information contained in the Report fairly presents, in
                  all material respects, the financial condition and results of
                  operations of the Company.




December 16, 2002                              /s/ ARNOLD H. BRACKENRIDGE
                                        ----------------------------------------
                                                 Arnold H. Brackenridge
                                        President, Chief Executive Officer and
                                                 Chief Operating Officer





December 16, 2002                                  /s/ ED DONAHUE
                                        ----------------------------------------
                                                       Ed Donahue
                                        Vice President, Chief Financial Officer
                                                       and Secretary