CERTIFICATION OF CHIEF EXECUTIVE OFFICER 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 Fronteer Development Group Inc. (the "Company") on Form 20-F for the fiscal year ended December 31, 2004, as filed with the Securities and Exchange Commission on the date hereof (the "Form 20-F"), I Mark G. O’Dea, President and 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 Form 20-F fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and
(2) The information contained in the Form 20-F fairly presents, in all material respects, the financial condition and results of operations of the Company.
Dated: March 24, 2005
Fronteer Development Group Inc.
/s/ Mark G. O’Dea
--------------------
Mark G. O’Dea
President and Chief Executive Officer
CERTIFICATION OF CHIEF FINANCIAL OFFICER 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 International Uranium Corporation (the "Company") on Form 20-F for the fiscal year ended December 31, 2004, as filed with the Securities and Exchange Commission on the date hereof (the "Form 20-F"), I Sean A. Tetzlaff, Chief Financial 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 Form 20-F fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and
(2) The information contained in the Form 20-F fairly presents, in all material respects, the financial condition and results of operations of the Company.
Dated: March 24, 2005
Fronteer Development Group Inc.
/s/ Sean A. Tetzlaff
-----------------------
Sean A. Tetzlaff
Chief Financial Officer
