Denison Mines Corp.

TORONTO, ONTARIO -- (Marketwire) -- 05/04/11 -- Denison Mines Corp.(TSX: DML)(NYSE Amex: DNN) ('Denison' or the 'Company') announces that the Company will hold a telephone conference with a webcast presentation at 8:00 am EDT on Thursday, May 12, 2011 to discuss financial results for the First Quarter 2011.

TORONTO, ONTARIO -- (Marketwire) -- 04/27/11 -- Denison Mines Corp. (TSX: DML)(NYSE Amex: DNN) ('Denison' or the 'Company') is pleased to provide this update on the results of the exploration programs at a number of projects operated by Denison in the Athabasca Basin, Saskatchewan.

TORONTO, ONTARIO -- (Marketwire) -- 03/29/11 -- Denison Mines Corp. (TSX: DML)(NYSE Amex: DNN) ('Denison' or the 'Company') today announced that it has filed its 2010 annual report on Form 40-F with the U.S. Securities and Exchange Commission (SEC). Denison's Form 40-F, which includes its audited financial statements for the year ended December 31, 2010, is available on Denison's website at www.denisonmines.com (by

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TORONTO, ONTARIO -- (Marketwire) -- 03/21/11 -- Denison Mines Corp. (TSX: DML)(NYSE Amex: DNN) ('Denison' or the 'Company') is pleased to announce that an updated resource estimate has been prepared in accordance with National Instrument 43-101 (NI 43-101) for its Hairhan deposit held by the Gurvan Saihan Joint Venture ('GSJV') in Mongolia. Denison holds a 70% interest in the GSJV with the Mongolian state entity

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TORONTO, ONTARIO -- (Marketwire) -- 03/15/11 -- Denison Mines Corp. ('Denison' or the 'Company') (TSX: DML)(NYSE Amex: DNN) is pleased to announce that it has closed its previously announced 'bought deal' financing. Denison has sold to a syndicate of underwriters 18.3 million common shares at CDN$3.55 per common share to raise gross proceeds of CDN$64,965,000.

TORONTO, ONTARIO -- (Marketwire) -- 03/10/11 -- Denison Mines Corp. ('Denison' or the 'Company') (TSX: DML)(NYSE Amex: DNN) today reported its financial results for the three months and year ended December 31, 2010. All amounts in this release are in U.S. dollars unless otherwise indicated. For a more detailed discussion of the Company's financial results, see management's discussion and analysis ('MD&A'), a copy of

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TORONTO, ONTARIO -- (Marketwire) -- 03/01/11 -- Denison Mines Corp. (TSX: DML)(NYSE Amex: DNN) ('Denison' or the 'Company') announces that the Company will hold a telephone conference with a webcast presentation at 10:00 am Eastern Standard Time on Friday, March 11, 2011 to discuss financial results for the year ending December 31, 2010.

TORONTO, ONTARIO -- (Marketwire) -- 02/23/11 -- Denison Mines Corp. (TSX: DML)(NYSE Amex: DNN) ('Denison') is pleased to announce that it has entered into an agreement with a syndicate of investment dealers, which have agreed to purchase, on a bought deal basis, 18.3 million common shares of Denison at a purchase price of C$3.55 per common share (the 'Offering Price'), for aggregate gross proceeds in the amount of

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TORONTO, ONTARIO -- (Marketwire) -- 02/22/11 -- Denison Mines Corp. ('Denison') (TSX: DML)(NYSE Amex: DNN) is pleased to announce that it has entered into a Bid Implementation Agreement with White Canyon Uranium Limited ('White Canyon') under which Denison has agreed to make a takeover offer to acquire 100% of the issued and outstanding shares of White Canyon (TSX VENTURE: WU)(ASX: WCU) at a price of AU$0.24 per share

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TORONTO, ONTARIO -- (Marketwire) -- 01/31/11 -- Denison Mines Corp. (TSX: DML) (NYSE Amex: DNN) ('Denison' or the 'Company') announces that its 2011 operating plan forecasts production of 1.2 million pounds U3O8 and 2.2 million pounds V2O5 from its operations in the United States. 'The 2011 plan and budget is focused on the growth of the Company with the largest exploration program ever undertaken on our Wheeler River

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