EXHIBIT 99.1



                            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 Quarterly Report of Atlas-Energy for the Nineties
Public #8 Ltd. (the "Partnership") on Form 10-QSB for the period ending
September 30, 2003 as filed with the Securities and Exchange Commission on the
date hereof (the "Report"), I, Freddie M. Kotek, Chief Executive Officer of the
Partnership, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that:

    (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 results of operations of the Company.


                        /s/ Freddie M. Kotek
                        -------------------------------------------------------
                        Freddie M. Kotek
                        Chief Executive Officer of the Managing General Partner
                        11/14/03



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