Denison Closes Arrangement With Rockgate Capital Corp.

TORONTO, ONTARIO--(Marketwired - Jan. 17, 2014) - Denison Mines Corp. ("Denison" or the "Company") (TSX:DML)(NYSE MKT:DNN) is pleased to announce the closing of the previously announced acquisition of Rockgate Capital Corp. ("Rockgate") by way of plan of arrangement under the Business Corporations Act (British Columbia) (the "Arrangement"). The Arrangement was approved at a special meeting of Rockgate securityholders on January 15, 2014 and by the Supreme Court of British Columbia on January 16, 2014.

Pursuant to the Arrangement, Denison acquired all of the issued and outstanding common shares of Rockgate not previously owned by it for 0.192 of a Denison common share for each Rockgate common share acquired. In addition, pursuant to the Arrangement all Rockgate stock options terminated effective today.

Rockgate shareholders who have not yet done so are encouraged to tender any remaining Rockgate shares by contacting Computershare Investor Services Inc. toll free at 1-800-564-6253 or by email at [e-mail].

Denison is also pleased to announce the appointment of Mr. Tae-hwan Kim to the Board of Directors effective today. Mr. Kim replaces Mr. Eun-ho Cheong who has resigned from the Board to pursue his increased responsibilities at Korea Electric Power Company ("KEPCO"), an international electric power company headquartered in Korea and a significant shareholder of the Company. The Board would like to thank Mr. Cheong for his excellent contribution to Denison and wish him all the best in his future endeavours.

Mr. Kim is General Manager of Overseas Resources at KEPCO and has many years of expert experience managing both domestic and large overseas resource projects including management of Safety and Occupational Health. He has a degree in International Economics from the Pusan National University and an MBA from the Seoul National University in Korea.

About Denison

Denison is a uranium exploration and development company with interests in exploration and development projects in Canada, Zambia, Namibia, Mongolia and Mali. Including the high grade Phoenix deposits, located on its 60% owned Wheeler project, Denison's exploration project portfolio includes 46 projects and totals approximately 597,000 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, an approximate 80% interest in the Dome project in Namibia, and an 85% interest in the in-situ recovery projects held by the Gurvan Saihan joint venture ("GSJV") in Mongolia. In addition, Denison is owns 100% of the conventional uranium/copper/silver Falea project in Mali.