EXHIBIT 13

              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 International Uranium Corporation
(the "Company") on Form 20-F for the fiscal year ended September 30, 2005, as
filed with the Securities and Exchange Commission on the date hereof (the "Form
20-F"), I, Ron F. Hochstein, 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: December 19, 2005

International Uranium Corporation

/s/ Ron F. Hochstein
--------------------
Ron F. Hochstein
President and Chief Executive Officer

                                      F-45



              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 September 30, 2005, as
filed with the Securities and Exchange Commission on the date hereof (the "Form
20-F"), I, Mark A. Katsumata, Vice President and 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: December 19, 2005

International Uranium Corporation

/s/ Mark A. Katsumata
---------------------
Mark Katsumata
Vice President and Chief Financial Officer

                                      F-46