Denison Reports Results From 2017 and Outlook for 2018

Denison Mines Corp.

TORONTO, ONTARIO--(Marketwired - March 8, 2018) - Denison Mines Corp. ("Denison" or the "Company") (TSX:DML)(NYSE AMERICAN:DNN)(NYSE MKT:DNN) today filed its Consolidated Financial Statements and Management's Discussion & Analysis ("MD&A") for the year ended December 31, 2017. Both documents can be found on the Company's website at www.denisonmines.com or on SEDAR (at www.sedar.com) and EDGAR (at www.sec.gov/edgar.shtml). The highlights provided below are derived from these documents and should be read in conjunction with them. All amounts in this release are in U.S. dollars unless otherwise stated.