http://www.eia.gov/uranium/marketing/ Ninety-one percent of our yellowcake needs Uranium Marketing Annual Report http://www.eia.gov/uranium/marketing/ 2012 Uranium Marketing Annual Report Uranium Marketing Annual Report Ninety-one percent of our yellowcake needs Uranium purchases and prices U.S.Energy Information Administration Ninety-one percent of our yellowcake needs U.S.Energy Information Administration Uranium purchases and prices Uranium Marketing Annual Report