EXHIBIT 10.1

                        CERTIFICATION OF DONALD W. BUSBY




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                                  Exhibit 10.1


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 Annual Report of Trimark Energy Ltd. (the  "Company") on
Form 20-F for the period ending  August 31, 2002,  as filed with the  Securities
and Exchange  Commission on the date hereof (the "Report"),  I, Donald W. Busby,
Chief Executive Officer of the Company,  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/ Donald W. Busby
- ------------------------
Donald W. Busby,
Chief Executive Officer

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