Denison Announces Filing of Technical Report for Wheeler River

Denison Mines Corp.

TORONTO, ONTARIO--(Marketwired - March 16, 2018) - Denison Mines Corp. ("Denison" or the "Company") (TSX:DML)(NYSE MKT:DNN)(NYSE American:DNN) today announces that it filed a technical report under Canadian Securities Administrators' National Instrument 43-101 Standard of Disclosure for Mineral Projects for its 63.3% owned Wheeler River Project in Saskatchewan titled "Technical Report with an Updated Mineral Resource Estimate for the Wheeler River Property, Northern Saskatchewan, Canada" dated March 15, 2018 with an effective date of March 9, 2018.