EFR Energy Fuels Inc

Completion of a Plan of Arrangement between Denison Mines Corp. and Energy Fuels Inc. TORONTO, June 25, 2012 /CNW/ - S&P Canadian Index Services will make the following changes in the S&P/TSX Canadian Indices: The shareholders of Denison Mines Corp. and Energy Fuels Inc. have agreed today to complete a Plan of Arrangement whereby Energy Fuels will acquire the US mining interests of Denison Mines. Denison Mines shareholders will receive 1.106 shares of Energy Fuels for each share held. After the close of trading on Friday, June 29, 2012, the close price of Denison Mines will be reduced by 1.106 times the close price of Energy Fuels and new divisors will be generated in all indices where Denison Mines is a constituent except the S&P/TSX Composite Equal Weight and Composite High Beta Indices. New divisors will be generated in the S&P/TSX Composite and Capped Composite, the S&P//TSX Equity and Capped Equity, the S&P/TSX Completion and Equity Completion, the S&P/TSX SmallCap and Equity SmallCap and the S&P/TSX Global Mining Indices. The issued shares of Energy Fuels will not be added to any indices. About S&P Indices S&P Indices, a leading brand of the McGraw-Hill Companies , maintains a wide variety of investable and benchmark indices to meet an array of investor needs. Over $1.45 trillion is directly indexed to our indices, which includes the S&P 500, the world's most followed stock market index, the S&P/Case-Shiller Home Price Indices, the leading measure of U.S. home prices, the S&P Global BMI, an index with approximately 11,000 constituents, the S&P GSCI, the industry's most closely watched commodities index, and the S&P National AMT-Free Municipal Bond Index, the premier investable index for U.S. municipal bonds. For more information, please visit: www.standardandpoors.com/indices. It is not possible to invest directly in an index. S&P Indices does not sponsor, endorse, sell, or promote any S&P index-based investment product. This document does not constitute an offer of services in jurisdictions where S&P Indices or its affiliates do not have the necessary licenses. S&P Indices receives compensation in connection with licensing its indices to third parties. Standard & Poor's Canadian Index Operations CONTACT: Tony NorthDirector, Canadian Index OperationsS&P IndicesTony_north@standardandpoors.com416-507-3204David BlitzerManaging Director and Chairman of the Index CommitteeS&P Indicesdavid_blitzer@standardandpoors.com212-438-3907

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