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CONSENT OF MARK B. MATHISEN

The undersigned hereby consents to:

|(i)   | the filing of the written disclosure regarding the
      technical report entitled Technical Report on the Roca Honda Project,
      McKinley County, New Mexico, U.S.A." dated February 27, 2015, (the Technical
      Disclosure), contained in the Annual Information Form for the period
      ended December 31, 2014 (the AIF) of Energy Fuels Inc. (the Company)
      being filed as an exhibit to the Companys Form 40-F Annual Report for the
      period ended December 31, 2014, and any amendments thereto (the 40-F),
      being filed with the United States Securities and Exchange Commission (the
      SEC);
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|(ii)  | the incorporation by reference of such Technical
      Disclosure in the 40-F and the AIF into the Companys Form S-8
      Registration Statement (File No. 333-194900), filed with the SEC, and any
      amendments thereto (the S-8);                                                                                                                                                                                                                                                                                                                                                                                                  
|      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|(iii) | the incorporation by reference of such Technical
      Disclosure in the AIF into the Companys Form F-10 Registration Statement
      (File No. 333-194916), filed with the SEC, and any amendments thereto (the
      F-10); and                                                                                                                                                                                                                                                                                                                                                                                                         
|      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|(iv)  | the use of my name in the AIF, the F-10, the 40-F and the
      S-8.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         

| | /a/
      Mark M. Mathisen
| | --------------------------
| | Mark M. Mathisen C.P.G.   

Date: March 19, 2015

|RPA Inc.55
      University Ave. Suite 501 | Toronto, ON, Canada M5J 2H7 | T+1
      (416) 947 0907 | www.rpacan.com
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