Denison Mines Corp. (Denison) is engaged in uranium exploration, development, mining and milling with uranium mining projects in both the United States and Canada and development projects in Canada, the United States, Zambia and Mongolia. Denison�s assets include an interest in two of the four licensed conventional uranium mills in North America, with its 100% interest of the White Mesa mill in Utah and its 22.5% interest of the McClean Lake mill in Saskatchewan. Denison also produces vanadium as a co-product from some of its mines in Colorado and Utah and recycles uranium-bearing waste materials, referred to as alternate feed materials, for the recovery of uranium, alone or in combination with other metals, at its White Mesa mill. On June 6, 2014, Denison acquired all of the outstanding common shares of International Enexco Limited (IEC Shares), that it did not already own, with the company spinning out its United States assets into a former subsidiary of the company.