S&P Indices Announces Changes in the S&P/TSX Canadian Indices

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. (TSX: DML) and Energy Fuels Inc. (TSX: EFR) 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.


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Standard & Poor's Canadian Index Operations
Tony North
Director, Canadian Index Operations
S&P Indices
Tony_north@standardandpoors.com
416-507-3204

David Blitzer
Managing Director and Chairman of the Index Committee
S&P Indices
david_blitzer@standardandpoors.com
212-438-3907