Exhibit 2

Ontario
Securities
Commission Commission des
valeurs mobilières
de l’Ontario P.O. Box 55, 19th Floor
20 Queen Street West
Toronto ON M5H 3S8 CP 55, 19e étage
20, rue queen ouest
Toronto ON M5H 3S8

RECEIPT

Denison Mines Corp. (formerly International Uranium Corporation)

This is the receipt of the Ontario Securities Commission for the Short Form Prospectus of the above Issuer dated December 16, 2010 (the prospectus).

The prospectus has been filed under Multilateral Instrument 11-102 Passport System in British Columbia, Alberta and Nova Scotia. A receipt for the prospectus is deemed to be issued by the regulator in each of those jurisdictions, if the conditions of the Instrument have been satisfied.

December 20, 2010

Naizam Kanji

Naizam Kanji

Deputy Director, Corporate Finance Branch

SEDAR Project # 1674373