SRK Consulting (Canada) Inc. 1300 – 151 Yonge Street Toronto, Ontario, Canada M5C 2W7 T: +1.416.601.1445 F: +1.416.601.9046 toronto@srk.com www.srk.com

To:

Securities Regulatory Authorities

B. C. Securities Commission

Alberta Securities Commission

Saskatchewan Financial Services Commission

Manitoba Securities Commission

Ontario Securities Commission

L’Autorité des marchés financiers

Nova Scotia Securities Commission

New Brunswick Securities Commission

Prince Edward Island Securities Office

Securities Commission of Newfoundland and Labrador

Toronto Stock Exchange

CONSENT of AUTHOR

I, Mark Liskowich, do hereby consent to the public filing of the technical report entitled Preliminary Economic Assessment for the Wheeler River Uranium Project, Saskatchewan, Canada, (the Technical Report) and effective date of March 31, 2016 by Denison Mines Corporation (Denison).

I also consent to any extracts from or a summary of the Technical Report under the National Instrument 43-101 disclosure of Denison, including the press release of Denison dated April 4, 2016 (Press Release) and to the filing of the Technical Report with any securities regulatory authorities.

I certify that I have read the Press Release and that it fairly and accurately represents the information in the Technical Report for which I am responsible.

Dated this 8th day of April, 2016.

[“signed”] "Mark Liskowich"                                                       

Mark Liskowich, PGeo

Principal Consultant

Local Offices: Saskatoon Sudbury Toronto Vancouver Yellowknife Group Offices: Africa Asia Australia Europe North America South America