Denison Mines Announces Election of Directors

Denison Mines Corp. ("Denison" or the "Company") (TSX:DML)(NYSE MKT:DNN) announced that the nominees listed in the management proxy circular for the 2013 Annual and Special Meeting of Shareholders ("Annual Meeting") were elected as directors of the Company. Detailed results of the vote for the election of directors held at the Annual Meeting yesterday in Toronto are set out below.

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Nominee                  Votes For     % For   Votes Withheld   % Withheld
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Eun Ho Cheong          159,869,942     98.13        3,044,875         1.87
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John H. Craig          153,539,453     94.25        9,375,365         5.75
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W. Robert Dengler      159,334,941     97.80        3,579,877         2.20
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Brian D. Edgar         157,289,566     96.55        5,625,251         3.45
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Ron F. Hochstein       158,941,573     97.56        3,973,244         2.44
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Lukas H. Lundin        156,908,942     96.31        6,005,875         3.69
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William A. Rand        156,411,765     96.01        6,503,052         3.99
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Catherine Stefan       161,062,847     98.86        1,851,970         1.14
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About Denison

Denison is a uranium exploration and development company with interests in exploration and development projects in Canada, Zambia, Namibia, and Mongolia. Including the high grade Phoenix deposits, located on its 60% owned Wheeler project, Denison's exploration project portfolio includes 50 projects and totals approximately 658,000 hectares in the Eastern Athabasca Basin region of Saskatchewan. Denison's interests in Saskatchewan also include a 22.5% ownership interest in the McClean Lake joint venture, which includes several uranium deposits and the McClean Lake uranium mill, one of the world's largest uranium processing facilities, plus a 25.17% interest in the Midwest deposit and a 60% interest in the J-Zone deposit on the Waterbury property. Both the Midwest and J-Zone deposits are located within 20 kilometres of the McClean Lake mill. Internationally, Denison owns 100% of the conventional heap leach Mutanga project in Zambia, a 75% interest in the newly acquired Dome project in Namibia, and an 85% interest in the in-situ recovery projects held by the Gurvan Saihan joint venture ("GSJV") in Mongolia.

Denison is engaged in mine decommissioning and environmental services through its Denison Environmental Services ("DES") division and is the manager of Uranium Participation Corporation ("UPC"), a publicly traded company which invests in uranium oxide and uranium hexafluoride.

Contacts: Denison Mines Corp. Ron Hochstein President and Chief Executive Officer [phone] [phone] (FAX) Denison Mines Corp. Sophia Shane Investor Relations [phone] www.denisonmines.com