<SEC-DOCUMENT>0001047469-13-010092.txt : 20131030
<SEC-HEADER>0001047469-13-010092.hdr.sgml : 20131030
<ACCEPTANCE-DATETIME>20131030130835
ACCESSION NUMBER:		0001047469-13-010092
CONFORMED SUBMISSION TYPE:	F-8/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20131030
DATE AS OF CHANGE:		20131030
EFFECTIVENESS DATE:		20131030

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DENISON MINES CORP.
		CENTRAL INDEX KEY:			0001063259
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS METAL ORES [1090]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		F-8/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-191254
		FILM NUMBER:		131178582

	BUSINESS ADDRESS:	
		STREET 1:		595 BAY STREET, SUITE 402
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5G 2C2
		BUSINESS PHONE:		(416) 979-1991

	MAIL ADDRESS:	
		STREET 1:		595 BAY STREET, SUITE 402
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5G 2C2

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERNATIONAL URANIUM CORP
		DATE OF NAME CHANGE:	19980603
</SEC-HEADER>
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<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><B>As filed with the United&nbsp;States Securities and Exchange Commission on October&nbsp;30,&nbsp;2013  </B></FONT></P>

<P ALIGN="RIGHT" style="font-family:times;"><FONT SIZE=2><B> Registration No.&nbsp;333-191254  </B></FONT></P>


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<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=5><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>  </B></FONT><FONT SIZE=2><B>WASHINGTON,&nbsp;D.C. 20549  </B></FONT></P>

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<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=3><B>AMENDMENT NO. 2<BR>
TO<BR>  </B></FONT><FONT SIZE=5><B>FORM F-8  </B></FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=3><B>REGISTRATION STATEMENT UNDER<BR>
THE SECURITIES ACT OF&nbsp;1933  </B></FONT></P>

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<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=5><B>DENISON MINES CORP.<BR>  </B></FONT><FONT SIZE=1>(Exact Name of Registrant as Specified in its Charter) </FONT></P>
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<TD ALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-left:9pt;text-indent:-9pt;"><FONT SIZE=2> </FONT><FONT SIZE=2><B>Ontario, Canada</B></FONT><FONT SIZE=2><BR>
(Province or other jurisdiction of<BR>
incorporation or organization)</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><B> 1090</B></FONT><FONT SIZE=2><BR>
(Primary Standard Industrial<BR>
Classification Code Number)</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><B> 98-0622284</B></FONT><FONT SIZE=2><BR>
(I.R.S. Employer Identification No.,<BR>
if applicable)</FONT></TD>
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 <P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><B>Atrium on Bay, 595&nbsp;Bay Street, Suite&nbsp;402<BR>
Toronto, Ontario<BR>
M5G&nbsp;2C2<BR>
(416)&nbsp;979-1991<BR>  </B></FONT><FONT SIZE=1>(Address, including zip code, and telephone number of Registrant's principal executive offices) </FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><B>CT Corporation System<BR>
111&nbsp;Eighth Avenue<BR>
New&nbsp;York, New&nbsp;York 10011<BR>
(212)&nbsp;894-8940<BR>  </B></FONT><FONT SIZE=1>(Name, address (including zip code) and telephone number (including area code) of agent for service in the United&nbsp;States) </FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>Copies to: </FONT></P>
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<TD ALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2><B>Ronald F. Hochstein<BR>
David D. Cates<BR>
Sheila Colman<BR>
Denison Mines Corp.<BR>
Atrium on Bay, 595&nbsp;Bay Street<BR>
Suite&nbsp;402<BR>
Toronto, Ontario<BR>
Canada M5G&nbsp;2C2<BR>
Tel: (416)&nbsp;979-1991</B></FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><B> Gordon R. Chambers<BR>
Cassels, Brock&nbsp;&amp; Blackwell&nbsp;LLP<BR>
Suite&nbsp;2200, HSBC Building<BR>
885&nbsp;West Georgia Street<BR>
Vancouver, British Columbia<BR>
Canada V6C&nbsp;3E8<BR>
Tel: (604)&nbsp;691-6100</B></FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><B> Edwin S. Maynard<BR>
Paul, Weiss, Rifkind,<BR>
Wharton&nbsp;&amp; Garrison&nbsp;LLP<BR>
1285&nbsp;Avenue of the Americas<BR>
New&nbsp;York, New&nbsp;York<BR>
10019-6064<BR>
(212)&nbsp;373-3000</B></FONT></TD>
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<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><B>Approximate date of commencement of proposed sale of the securities to the&nbsp;public:<BR>  </B></FONT><FONT SIZE=2>As soon as practicable after this Registration Statement becomes effective. </FONT></P>


<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This
registration statement and any amendment thereto shall become effective upon filing with the Commission in accordance with Rule&nbsp;467(a). </FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to the home jurisdiction's shelf prospectus offering procedures, check
the following box.&nbsp;<FONT FACE="WINGDINGS">&#111;</FONT> </FONT></P>
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<BR></FONT><FONT SIZE=2><B>  Explanatory Note    <BR>    </B></FONT></P>

<P style="font-family:times;"><FONT SIZE=2><B>The Registrant hereby amends its Registration Statement on Form&nbsp;F-8, as originally filed with the U.S.&nbsp;Securities and Exchange Commission on September&nbsp;19,
2013 (as amended, the&nbsp;"Registration Statement"), to include the Notice of Extension and Variation, dated October&nbsp;30, 2013, which the Registrant filed in its home jurisdiction as a
supplement to the Offer to Purchase and Circular, dated September&nbsp;19, 2013, including the Letter of Transmittal and Notice of Guaranteed Delivery, which were previously filed with the
Registration Statement.</B></FONT></P>

<P style="font-family:times;"><FONT SIZE=2><B>The Registrant previously paid a registration fee of US$724.05 with its filing of the Registration Statement in relation to its registration of 22,473,114 of its common shares,
which represent the maximum number of common shares of the Registrant estimated to be issuable to holders upon consummation of the exchange offer for all of the issued and outstanding common shares of
Rockgate Capital&nbsp;Corp.</B></FONT></P>

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<BR></FONT><FONT SIZE=2><B>  PART I<BR>  <BR>    INFORMATION REQUIRED TO BE DELIVERED<BR>  TO OFFEREES OR PURCHASERS    <BR>    </B></FONT></P>


<P style="font-family:times;"><FONT SIZE=2><B>1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Home Jurisdiction Document.  </B></FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Offer to Purchase and Circular dated September&nbsp;19, 2013, including the Letter of Transmittal and Notice of Guaranteed Delivery.* </FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notice
of Extension dated October&nbsp;25, 2013.** </FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notice
of Extension and Variation dated October&nbsp;30, 2013. </FONT></P>

<P style="font-family:times;"><FONT SIZE=2><B>2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Informational Legends.  </B></FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;See the outside front cover page and the inside front cover page of the Offer to Purchase and Circular dated September&nbsp;19,&nbsp;2013.* </FONT></P>


<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;See
the outside front cover page and the inside front cover page of the Notice of Extension dated October&nbsp;25,&nbsp;2013.** </FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;See
the outside front cover page and the inside front cover page of the Notice of Extension and Variation dated October&nbsp;30,&nbsp;2013. </FONT></P>

<P style="font-family:times;"><FONT SIZE=2><B>3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Incorporation of Certain Information by Reference.  </B></FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;As required by this Item, the Offer to Purchase and Circular provides that copies of the documents incorporated by reference therein may be obtained on request
without charge from the Corporate Secretary of the Registrant, Atrium on Bay, 595&nbsp;Bay Street, Suite&nbsp;402, Toronto, Ontario, M5G&nbsp;2C2. </FONT></P>

<P style="font-family:times;"><FONT SIZE=2><B>4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;List of Documents Filed with the Commission.  </B></FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;See the heading "Registration Statement Filed with the SEC" in the Offer to Purchase and Circular dated September&nbsp;19,&nbsp;2013.* </FONT></P>

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<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>*</FONT></DT><DD style="font-family:times;"><FONT SIZE=2>Previously filed with the Registrant's Form&nbsp;F-8 (Commission File No.&nbsp;333-191254), filed with the
Commission on September&nbsp;19,&nbsp;2013.
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>**</FONT></DT><DD style="font-family:times;"><FONT SIZE=2>Previously
filed with the Registrant's Form&nbsp;F-8/A (Commission File No.&nbsp;333-191254), filed with the Commission on
October&nbsp;25,&nbsp;2013. </FONT></DD></DL>
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 </I></B></FONT><FONT COLOR="#FD1B14" SIZE=1><B><I>This document is important and requires your immediate attention. It should be read in conjunction with the Offer and
Circular. If you are in doubt as to how to deal with it, you should consult your investment advisor, stockbroker, bank manager, trust company manager, accountant, lawyer or other professional advisor.
Inquiries concerning the information in this document should be directed to Laurel Hill Advisory Group, the Information Agent retained by Denison, toll free 1-877-452-7184&nbsp;from anywhere in
Canada or the United&nbsp;States (416-304-0211&nbsp;collect) or via email at <U>assistance@laurelhill.com</U></I></B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=1><I>Neither this document nor the Offer and Circular constitutes an offer or a solicitation to any person in any jurisdiction in which such offer or solicitation is unlawful. The
Offer is not being made to, nor will deposits be accepted from or on behalf of, Shareholders in any jurisdiction in which the making or acceptance of the Offer would not be in compliance with the laws
of such jurisdiction. However, Denison may, in Denison's sole discretion, take such action as Denison may deem necessary to extend the Offer to Shareholders in any such
jurisdiction.</I></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=1><I>Neither this document nor the Offer and Circular has been approved or disapproved by any securities regulatory authority, nor has any securities regulatory authority passed upon
the fairness or merits of the Offer or upon the adequacy of the information contained in this document. Any representation to the contrary is an&nbsp;offence.</I></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=1><B><I>Information has been incorporated by reference in the Offer and Circular from documents filed with securities commissions or similar authorities in
Canada.</I></B></FONT><FONT SIZE=1><I> Copies of the documents incorporated herein by reference may be obtained on request without charge from the Corporate Secretary of Denison at 595&nbsp;Bay Street,
Suite&nbsp;402, Toronto, Ontario M5G&nbsp;2C2, telephone (416)&nbsp;979-1991, extension 366, and are also available electronically on SEDAR at
<U>www.sedar.com.</U></I></FONT></P>

<P ALIGN="RIGHT" style="font-family:times;"><FONT SIZE=2>October&nbsp;30, 2013 </FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=4><B>NOTICE OF EXTENSION AND VARIATION<BR>
by  </B></FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=4><B>
<IMG SRC="g226073.jpg" ALT="LOGO" WIDTH="235" HEIGHT="93">
  </B></FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=4><B> DENISON MINES CORP.  </B></FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=3><B>of its<BR>  </B></FONT><FONT SIZE=5><B>OFFER TO PURCHASE<BR>  </B></FONT><FONT SIZE=3><B>all of the outstanding common shares of<BR>  </B></FONT><FONT SIZE=4><B>ROCKGATE CAPITAL CORP.<BR>  </B></FONT><FONT
SIZE=2><B>on the basis of 0.192 of a common share of Denison Mines Corp.,<BR>
for each common share of Rockgate Capital Corp.<BR>
as set out in the Offer and Circular  </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>Denison Mines Corp. ("</FONT><FONT SIZE=2><B>Denison</B></FONT><FONT SIZE=2>") hereby gives notice that it is amending its offer dated September&nbsp;19, 2013, as extended
(the&nbsp;"</FONT><FONT SIZE=2><B>Offer</B></FONT><FONT SIZE=2>"), upon and subject to the terms and conditions set out in the Offer, to purchase all of the issued and outstanding common shares
("</FONT><FONT SIZE=2><B>Shares</B></FONT><FONT SIZE=2>") of Rockgate Capital Corp. ("</FONT><FONT SIZE=2><B>Rockgate</B></FONT><FONT SIZE=2>") together with any associated rights issued under
Rockgate's shareholder rights plan ("</FONT><FONT SIZE=2><B>SRP Rights</B></FONT><FONT SIZE=2>"), including all Shares that may become issued and outstanding after the date of the Offer but before
the Expiry Time (as&nbsp;defined below) upon the exercise, exchange or conversion of the Options (as&nbsp;such terms are defined in the Offer and Circular (as&nbsp;defined below)) or any other
outstanding rights, on the basis of, 0.192 of a common share of Denison (a&nbsp;"</FONT><FONT SIZE=2><B>Denison Share</B></FONT><FONT SIZE=2>"), for each Share as set out in the Offer and Circular.
The Offer is being amended to extend the expiry time of the Offer to 4:00&nbsp;p.m. (Toronto time) on November&nbsp;18, 2013
(the&nbsp;"</FONT><FONT SIZE=2><B>Expiry&nbsp;Time</B></FONT><FONT SIZE=2>") and to reflect the satisfaction, waiver or addition of certain conditions. </FONT></P>


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<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><B>Certain conditions to the Offer have been satisfied or waived. Please see Section&nbsp;3&nbsp;&#151;&nbsp;"Amendment to Conditions of
the&nbsp;Offer".<BR>
The Offer has been extended and is now open for acceptance until 4:00&nbsp;p.m. (Toronto time)<BR>
on November&nbsp;18, 2013, unless the Offer is further extended by&nbsp;Denison.<BR>  </B></FONT></P>

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<P style="font-family:times;text-align:justify"><FONT SIZE=2>This
Notice of Extension and Variation should be read in conjunction with the Offer and the accompanying take-over bid circular dated September&nbsp;19, 2013 and the Notice of Extension dated
October&nbsp;25, 2013 (together, the&nbsp;"</FONT><FONT SIZE=2><B>Offer and Circular</B></FONT><FONT SIZE=2>") and the letter of transmittal and election form
(the&nbsp;"</FONT><FONT SIZE=2><B>Letter of Transmittal</B></FONT><FONT SIZE=2>") and notice of guaranteed delivery (the&nbsp;"</FONT><FONT SIZE=2><B>Notice of Guaranteed
Delivery</B></FONT><FONT SIZE=2>") that accompanied the Offer and Circular, all of the provisions of which are incorporated herein by reference (subject to the amendments thereto contained in this
Notice of Extension and Variation). Unless the context requires otherwise, capitalized terms used in this Notice of Extension and Variation and not defined herein that are defined in the Offer and
Circular have the respective meanings ascribed thereto in the Offer and&nbsp;Circular. </FONT></P>

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<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>Shareholders who have validly deposited and not withdrawn their Shares need take no further action to accept the Offer.</B></FONT><FONT SIZE=2> Shareholders who wish to accept
the Offer must properly complete and duly execute the Letter of Transmittal (printed on YELLOW paper) that accompanied the Offer and Circular, or a manually executed facsimile thereof, and deposit it,
at or prior to the Expiry Time, together with certificate(s) or DRS Advice(s) representing their Shares and all other required documents, with the Depositary at its office in Toronto, Ontario
specified in the Letter of Transmittal, in accordance with the instructions in the Letter of Transmittal. Shareholders may also accept the Offer by following the procedure for guaranteed delivery set
forth in Section&nbsp;3 of the Offer, "Manner of Acceptance&nbsp;&#151;&nbsp;Procedure for Guaranteed Delivery", using the Notice of Guaranteed Delivery (printed on PINK
paper) that accompanied the Offer and Circular. Alternatively, Shareholders may accept the Offer by following the procedures for book-entry transfer of Shares set forth in Section&nbsp;3 of the
Offer, "Manner of Acceptance&nbsp;&#151;&nbsp;Acceptance by Book-Entry Transfer". The Letter of Transmittal and the Notice of Guaranteed Delivery that accompanied the Offer and
Circular are deemed to be amended to reflect the terms and conditions of this Notice of Extension and&nbsp;Variation. </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>Persons whose Shares are registered in the name of an investment advisor, stockbroker, bank, trust company or other nominee should contact such nominee for assistance if they
wish to accept the Offer in order to take the necessary steps to be able to deposit such Shares under the Offer. Intermediaries likely have established tendering cut-off times that are up to
48&nbsp;hours prior to the Expiry Time. Shareholders must instruct their brokers or other intermediaries promptly if they wish to&nbsp;tender.</B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>Shareholders will not be required to pay any fee or commission if they accept the Offer by depositing their Shares directly with the&nbsp;Depositary.</B></FONT></P>


<P style="font-family:times;text-align:justify"><FONT SIZE=2>Questions
and requests for assistance may be directed to the Depositary or to the Information Agent for the Offer, Laurel Hill Advisory Group. The Information Agent can be contacted at
1-877-452-7184&nbsp;toll free or 1-416-304-0211&nbsp;outside of North America or by e-mail at <U>assistance@laurelhill.com</U>. </FONT><FONT SIZE=2><B>Additional copies of
this document, the Offer and Circular, the Letter of Transmittal and the Notice of Guaranteed Delivery may be obtained without charge on request from the Information Agent and are accessible on the
Canadian Securities Administrators' website at <U>www.sedar.com</U> and the SEC's website at www.sec.gov.</B></FONT><FONT SIZE=2> The foregoing website addresses are provided for
informational purposes only and no information contained on, or accessible from, the foregoing websites is incorporated by reference herein, except where specifically stated. </FONT></P>


<P style="font-family:times;text-align:justify"><FONT SIZE=2>No
broker, dealer, salesperson or other person has been authorized to give any information or make any representation other than those contained in this document, and, if given or made, such
information or representation must not be relied upon as having been authorized by Denison, the Depositary or the Information Agent. </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>The Offer and Circular does not generally address tax consequences of the Offer to Shareholders in any jurisdiction outside of Canada or the United&nbsp;States. Shareholders
in a jurisdiction outside of Canada or the United&nbsp;States should be aware that the disposition of Shares may have tax consequences which may not be described in the Offer and Circular.
Accordingly, Shareholders outside of Canada and the United&nbsp;States should consult their own tax advisors with respect to tax considerations applicable to&nbsp;them.</B></FONT></P>


<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>The Offer is made by a Canadian issuer that is permitted, under a multijurisdictional disclosure system adopted by the United&nbsp;States, to prepare the Offer and Circular
in accordance with the disclosure requirements of Canada. Shareholders should be aware that such requirements are different from those of the United&nbsp;States. Financial statements incorporated by
reference in the Offer and Circular have been prepared in accordance with International Financial Reporting Standards as issued by the International Accounting Standards Board. They may not be
comparable to financial statements of United&nbsp;States companies.</B></FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>2</FONT></P>

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<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>Shareholders should be aware that the disposition of Shares and the acquisition of Denison Shares by them as described in the Offer and Circular may have tax consequences in
the United&nbsp;States, Canada and other jurisdictions. Such consequences may not be fully described in the Offer and Circular and such Shareholders are urged to consult their tax advisors. See
Section&nbsp;19 of the Circular, "Certain Canadian Federal Income Tax Considerations", and Section&nbsp;20 of the Circular, "Certain United&nbsp;States Federal Income Tax
Considerations".</B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>The enforcement by Shareholders of civil liabilities under United&nbsp;States federal securities laws may be affected adversely by the fact that Denison exists under the laws
of Ontario, that some or all of its officers and directors may reside outside the United&nbsp;States, that some or all of the experts named in the Offer and Circular may reside outside the
United&nbsp;States and that a substantial portion of the assets of Denison and the above-mentioned persons are located outside the United&nbsp;States.</B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>THE SECURITIES TO BE DELIVERED IN CONNECTION WITH THE OFFER HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SEC OR ANY STATE SECURITIES COMMISSION NOR HAS THE SEC OR ANY STATE
SECURITIES COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THE OFFER AND CIRCULAR. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENCE.</B></FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>3</FONT></P>

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<BR></FONT><FONT SIZE=2><B>  CURRENCY    <BR>    </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All dollar references herein and in the Offer and Circular are in Canadian dollars, except where otherwise indicated. Canadian dollars
are referred to as "Canadian dollars", "C$" or "$" and United&nbsp;States dollars are referred to as "U.S.&nbsp;dollars" or "US$". On October&nbsp;29, 2013, the Bank of Canada noon rate of
exchange for U.S.&nbsp;dollars was C$1.00 =&nbsp;US$0.9574 </FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><A
NAME="bc78202_forward-looking_statements"> </A>
<A NAME="toc_bc78202_2"> </A>
<BR></FONT><FONT SIZE=2><B>  FORWARD-LOOKING STATEMENTS    <BR>    </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Certain statements contained in this Notice of Extension and Variation and the Offer and Circular, including the summary thereof, and
in the documents incorporated by reference therein, that are referred to herein and therein as "forward looking statements", constitute "forward looking statements" within the meaning of the
United&nbsp;States Private Securities Litigation Reform Act of 1995 and the rules and releases made by the SEC, all as amended from time to time, and "forward looking information" under the
provisions of Canadian provincial securities laws. When used in such documents, the words "anticipate", "believe", "could", "expect", "estimate", "forecast", "intend", "may", "outlook", "planned",
"project", "should", "will", "would" and similar expressions are intended to identify such forward looking statements. </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Forward
looking statements in this Notice of Extension and Variation and the Offer and Circular, including the summary thereof, and in the documents incorporated by reference therein,
include, but are not limited to statements regarding: Denison's outlook for 2013 and future periods; expectations as to the anticipated timing, mechanics, completion and settlement of the Offer; the
market for and listing of Shares and Rockgate's status as a reporting issuer after completion of the Offer; the value of the Denison Shares received as consideration under the Offer; the ability of
Denison to complete the transactions contemplated by the Offer; future earnings, and the sensitivity of earnings to uranium and other metal prices; Denison's expectations regarding toll milling of
Cigar Lake ores; future royalty and tax payments and rates; anticipated levels or trends for prices of uranium and byproduct metals mined by Denison or for exchange rates between currencies in which
capital is raised, revenue is generated or expenses are incurred by Denison; estimates of future mineral production and sales; estimates of future costs, including mining costs and other expenses;
estimates of future capital expenditures and exploration expenditure and development expenditures and other cash needs, and expectations as to the funding thereof; the projected exploration,
development and exploitation of certain ore deposits, including estimates of exploration, development and production and other capital costs and estimates of the timing of such exploration,
development and production or decisions with respect thereto; Denison's expectations regarding additions to its mineral reserves and resources through acquisitions; estimates of mineral reserves,
mineral resources and ore grades and statements regarding anticipated future exploration results; estimates of cash flow; estimates of mine life; anticipated timing of events with respect to Denison's
mine sites, mine construction projects and exploration projects; estimates of future costs and other liabilities for environmental remediation and reclamation obligations; anticipated legislation and
regulation regarding climate change and estimates of the impact on Denison; and other anticipated trends with respect to Denison's capital resources and results of&nbsp;operations. </FONT></P>


<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Forward
looking statements are necessarily based upon a number of factors and assumptions that, while considered reasonable by Denison as of the date of such statements, are inherently
subject to significant business, economic and competitive uncertainties and contingencies. The factors and assumptions of Denison upon which the forward looking statements in this Notice of Extension
and Variation and the Offer and Circular, including the summary thereof, and in the documents incorporated by reference therein, are based and which may prove to be incorrect, include, but are not
limited to, the factors and assumptions set out in the Notice of Extension and Variation and the Offer and Circular, including the summary thereof, as well as: global financial conditions; the ability
of Denison to meet its obligations to its creditors and the uncertainty of funding; volatility in the market price of Denison's shares and the risk of dilution from future equity financings; the
impact of volatility in uranium prices on the valuation of Denison's mineral reserves and resources and the market price of its shares; public acceptance of nuclear energy and competition from other
energy sources; failure to realize benefits from transactions; competition for properties; the imprecision of mineral reserves and resources estimation; Denison's ability to expand and replace its
mineral reserves and resources; uncertainty as to reclamation and decommissioning liabilities; reliance on other operators; technical innovation rendering Denison's products and services obsolete;
property title risk; liabilities inherent in mining operations and the adequacy of insurance coverage; delays in obtaining permits and licences for development properties; the </FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>4</FONT></P>

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<P style="font-family:times;text-align:justify"><FONT SIZE=2>speculative
nature of exploration and development projects; difficulty complying with changing government regulations and policy, including without limitation, compliance with environment, health and
safety regulations; uncertainty surrounding Denison's operations in foreign jurisdictions; potential claims of Canada's First Nations people; dependence on key personnel; the potential influence of
Denison's largest
Shareholder, Korea Electric Power Corporation; potential conflicts of interest for Denison's directors who are engaged in similar businesses; and limitations of disclosure and internal controls. </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
forward looking statements in this Notice of Extension and Variation and the Offer and Circular, including the summary thereof, reflect Denison's views as at the date of the Offer
and involve known and unknown risks, uncertainties and other factors which could cause the actual results, performance or achievements of Denison or industry results to be materially different from
any future results, performance or achievements expressed or implied by such forward looking statements. These risks include risks relating to Offer, including, without limitation, that Denison may be
unable to complete the Offer or the completion of the Offer may be more costly than expected because, among other reasons, conditions to the completion of the Offer may not be satisfied; problems may
arise with the ability to successfully integrate the businesses of Denison and Rockgate; the parties may be unable to obtain regulatory approvals required for the Offer; Denison may not be able to
achieve the benefits from the acquisition or it may take longer than expected to achieve those benefits; and the acquisition may involve unexpected costs or unexpected liabilities. For a further
discussion of risks and material factors or assumptions underlying the forward looking statements in this Notice of Extension and Variation and the Offer and Circular, see Section&nbsp;17 of the
Circular, "Risk Factors", and Denison's Annual Information Form filed on SEDAR dated March&nbsp;13, 2013 for the financial year ended December&nbsp;31, 2012 and incorporated by reference in the
Offer and Circular. Given these uncertainties, investors are cautioned not to place undue reliance on these forward looking statements, which speak only as of the date made. Except as otherwise
required by law, Denison expressly disclaims any obligation or undertaking to release publicly any updates or revisions to any such statements to reflect any change in Denison's expectations or any
change in events, conditions or circumstances on which any such statement is based. The Offer and Circular and documents incorporated by reference therein contain information regarding anticipated
total cash costs per pound of uranium at certain of Denison's mines and mine development projects. Denison believes that this generally accepted industry measure is a realistic indicator of operating
performance and is useful in allowing year over year comparisons. Investors are cautioned that this information may not be suitable for other&nbsp;purposes. </FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>5</FONT></P>

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<A NAME="toc_dg78202_1"> </A>
<BR></FONT><FONT SIZE=3><B>NOTICE OF EXTENSION AND VARIATION    <BR>    </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT SIZE=2><I>This Notice of Extension and Variation amends, varies and supplements the Offer and Circular, the Letter of
Transmittal and the Notice of Guaranteed Delivery pursuant to which Denison is offering to purchase all of the outstanding Shares upon and subject to the terms and conditions set out in the Offer and
Circular, the Letter of Transmittal and the Notice of Guaranteed Delivery, each as may be amended, varied and supplemented from time to&nbsp;time.</I></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT
SIZE=2><I>Except as otherwise set forth in this Notice of Extension and Variation, the information, terms and conditions previously set forth in the Offer and Circular, the
Letter of Transmittal and the Notice of Guaranteed Delivery continue to be applicable in all respects and this Notice of Extension and Variation should be read in conjunction with the Offer and
Circular, the Letter of Transmittal and the Notice of Guaranteed Delivery, all of the provisions of which are incorporated herein by reference, subject to the amendments thereto contained in this
Notice of Extension and&nbsp;Variation.</I></FONT></P>

<P ALIGN="RIGHT" style="font-family:times;"><FONT SIZE=2>October&nbsp;30,
2013 </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B> TO: THE HOLDERS OF SHARES OF ROCKGATE  </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Recent Developments  </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On September&nbsp;30, 2013, after the commencement of the Offer, Rockgate announced that it had granted options to acquire an additional
11,000,000&nbsp;Shares (the&nbsp;"</FONT><FONT SIZE=2><B>2013 Options</B></FONT><FONT SIZE=2>"). Rockgate also announced that it had entered into new retention agreements and had amended certain
existing consulting agreements, to provide new or enhanced change of control protections for certain employees of and consultants to Rockgate (the&nbsp;"</FONT><FONT SIZE=2><B>Retention
Agreements</B></FONT><FONT SIZE=2>"). On October&nbsp;24, 2013 Denison announced that it had extended the term of its bid for Rockgate to November&nbsp;1, 2013 and subsequently filed a notice of
extension in respect of the Offer with applicable regulatory authorities. With effect from October&nbsp;30, 2013 all holders of 2013 Options voluntarily undertook to Denison and to Rockgate not to
exercise such 2013 Options unless another take-over bid, merger, amalgamation, arrangement, reorganization, business combination or similar transaction is announced by Rockgate or a third party that
the Rockgate Board has determined is superior to the Offer, prior to the Expiry Time. The undertakings cease to apply if Denison does not, within 10&nbsp;days after the Expiry Time, take up and pay
for at least 66<SUP>2</SUP>/<SMALL>3</SMALL>% of the issued and outstanding Shares. </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On
October&nbsp;29, 2013, the closing price of the Shares on the TSX was C$0.205 and the closing price of the Denison Shares on the TSX was C$1.14 and on the NYSE MKT
was&nbsp;US$1.08. </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Denison
has extended the Offer in order to give Shareholders further opportunity to deposit their&nbsp;Shares. </FONT></P>


<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Extension of Offer  </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;By notice to the Depositary given on October&nbsp;30, 2013, Denison has extended the time for acceptance of the Offer until 4:00&nbsp;p.m. (Toronto time) on
November&nbsp;18, 2013, unless the Offer is further extended by Denison. Accordingly, the definition of "Expiry Time" in the Offer and Circular, is deleted in its entirety and replaced with the
following definition: </FONT></P>

<UL>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>"</FONT><FONT
SIZE=2><B>Expiry Time</B></FONT><FONT SIZE=2>" means 4:00&nbsp;p.m. (Toronto time) on November&nbsp;18, 2013, or such later time or times and date or dates as may be fixed by
Denison from time to time pursuant to Section&nbsp;5 of the Offer, "Extension, Variation or Change in the&nbsp;Offer"; </FONT></P>

</UL>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In
addition, all references to November&nbsp;1, 2013 in the Offer and Circular, the Letter of Transmittal and the Notice of Guaranteed Delivery (to&nbsp;the extent that they relate
to the Expiry Time) are amended to refer to November&nbsp;18,&nbsp;2013. </FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>6</FONT></P>

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<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Amendment to Conditions of the Offer  </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Denison has amended the conditions of the Offer in response to events which have occurred subsequent to September&nbsp;19, 2013, the date of the Offer
and&nbsp;Circular: </FONT></P>

<UL>
<DL compact>
<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>1.</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>Sub-paragraph&nbsp;(a)(i)
of Section&nbsp;4 of the Offer, "Conditions of the Offer", relating to the Minimum Tender Condition has been amended to require
66<SUP>2</SUP>/<SMALL>3</SMALL>% of the Shares outstanding at the Expiry Time on a fully-diluted basis be validly deposited under the Offer and not withdrawn at the Expiry Time in order to meet the Minimum
Tender Condition.
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>2.</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>Paragraph&nbsp;(b)
of Section&nbsp;4 of the Offer, "Conditions of the Offer", relating to the Mega Uranium Arrangement has been deleted as in Denison's
view that condition has been&nbsp;satisfied;
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>3.</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>Paragraph&nbsp;(h)
of Section&nbsp;4 of the Offer, "Conditions of the Offer" has been amended to include the words "there shall not have occurred" at the
start of that paragraph;&nbsp;and
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>4.</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>The
definition of "Restricted Event" in Section&nbsp;4 of the Offer, "Conditions of the Offer", has been modified to remove the issuance of the 2013
Options and the entering into of the Retention Agreements from the scope of the&nbsp;definition. </FONT></DD></DL>
</UL>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>Accordingly,
section&nbsp;4 of the Offer, "Conditions of the Offer", is deleted and replaced by the&nbsp;following: </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notwithstanding
any other provision of the Offer and subject to applicable Laws, and in addition to (and&nbsp;not in limitation of) Denison's right to vary or change the Offer at any
time prior to the Expiry Time pursuant to Section&nbsp;5 of the Offer, "Extension, Variation or Change in the Offer", Denison will have the right to withdraw or terminate the Offer and not take up
and pay for any Shares deposited under the Offer, and will have the right to extend the period of time during which the Offer is open for acceptance and postpone taking up and paying for any Shares
deposited under the Offer, if any of the following conditions are not satisfied or waived by Denison at or prior to the Expiry&nbsp;Time: </FONT></P>

<UL>
<DL compact>
<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(a)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>there
shall have been validly deposited under the Offer and not withdrawn at the Expiry Time such number of Shares which constitutes (i)&nbsp;at least
66<SUP>2</SUP>/<SMALL>3</SMALL>% of the Shares outstanding at the Expiry Time on a fully-diluted basis and (ii)&nbsp;at least a majority of the outstanding Shares, the votes of which would be included in any
minority approval of a Subsequent Acquisition Transaction pursuant to MI 61-101 (the&nbsp;"</FONT><FONT SIZE=2><B>Minimum Tender Condition</B></FONT><FONT SIZE=2>");
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(b)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>Denison
shall have determined, acting reasonably, that:
<BR><BR></FONT>
<DL compact>
<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(i)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>no
act, action, suit or proceeding shall have been threatened in writing or taken before or by any Governmental Entity or by any elected or appointed public
official or private person (including, without limitation, any individual, corporation, firm, group or other entity) in Canada or elsewhere, whether or not having the force of law;&nbsp;and
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(ii)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>no
Law shall have been proposed, enacted, promulgated or applied, in any&nbsp;case:
<BR><BR></FONT>
<DL compact>
<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(A)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>to
cease trade, enjoin, prohibit or impose material limitations or conditions on the purchase by or the sale to Denison of Shares, the right of Denison to
own or exercise full rights of ownership of Shares or the consummation of a Compulsory Acquisition or a Subsequent Acquisition Transaction;
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(B)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>which,
if the Offer, any Compulsory Acquisition or any Subsequent Acquisition Transaction were consummated, could in Denison's reasonable judgement
constitute a Material Adverse Effect in respect of Rockgate;&nbsp;or
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(C)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>which
would materially and adversely affect (i)&nbsp;the value of Shares to Denison, or (ii)&nbsp;the ability of Denison to proceed with the Offer, any
Compulsory Acquisition or any Subsequent Acquisition Transaction and/or taking up and paying for any Shares deposited under the&nbsp;Offer; </FONT></DD></DL>
</DD></DL>
</DD></DL>
</UL>
<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>7</FONT></P>

<HR NOSHADE>
<P style='font-family:times;page-break-before:always'></p>
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<UL>
<DL compact>
<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(c)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>there
shall not exist any prohibition at Law against Denison making or maintaining the Offer or taking up and paying for any Shares deposited under the
Offer or completing any Compulsory Acquisition or any Subsequent Acquisition Transaction;
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(d)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>all
government and regulatory approvals, waiting or suspensory periods, waivers, permits, consents, reviews, investigations, orders, certificates, rulings,
decisions, statements of no objection and exemptions, that are required by Law to complete the Offer or any Compulsory Acquisition or Subsequent Acquisition Transaction, shall have been obtained or
concluded or, in the case of waiting or suspensory periods, expired or been terminated, each on terms and conditions satisfactory to&nbsp;Denison;
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(e)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>there
shall not exist any Law, nor shall any Law have been proposed, enacted, entered, promulgated, amended or applied, nor shall there be in effect,
pending or threatened any temporary restraining order, preliminary or permanent injunction or other order or decree issued by any Governmental Entity or other legal restraint or prohibition which
would have the effect of prohibiting, restricting, making illegal or imposing material limitations or conditions on the ownership or operation or effective control by Denison of any material portion
of the business or assets of Rockgate or its affiliates or subsidiaries or to compel Denison or its affiliates or subsidiaries to dispose of or hold separate any material portion of the business or
assets of Rockgate or any of its affiliates or subsidiaries as a result of the Offer or the completion of the Offer or any Compulsory Acquisition or Subsequent Acquisition Transaction;
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(f)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>Denison
shall have determined, acting reasonably, that there shall not exist or have occurred (or, if there does exist or shall have occurred prior to the
commencement of the Offer, there shall not have been disclosed generally or to Denison in writing) any change (or&nbsp;any condition, event or development involving a prospective change) in the
business, operations, assets, capitalization, properties, financial condition, prospects, licences, permits, rights, privileges or liabilities of Rockgate or any subsidiary of Rockgate that, when
considered either individually or in the aggregate, constitutes a Material Adverse Effect in respect of&nbsp;Rockgate;
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(g)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>there
shall not have occurred a nuclear accident or significant nuclear environmental incident at a nuclear facility should occur which, in either case, in
the opinion of Denison, could reasonably be expected to have a significant adverse effect on the market price or value of the&nbsp;Shares;
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(h)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>Denison
shall not have become aware of any untrue statement of a material fact, or an omission to state a material fact that is required to be stated or
that is necessary to make a statement not misleading in light of the circumstances in which it was made and at the date it was made, (after giving effect to all subsequent filings in relation to all
matters covered in earlier filings) in any document filed or released by or on behalf of Rockgate with any securities regulatory authority in Canada or elsewhere, including any annual report,
financial statements, material change report, press release and management information circular, which Denison shall have determined in its reasonable judgment constitutes a Material Adverse Effect in
respect of&nbsp;Rockgate;
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(i)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>there
shall have not occurred, developed or come into effect or existence any effect, action, state, condition or major financial occurrence of national or
international consequence or any law, regulation, action, government regulation, enquiry or other occurrence of any nature whatsoever which, in the opinion of Denison, acting reasonably, materially
adversely affects and will continue to materially adversely affect the financial markets in Canada or the United&nbsp;States;
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(j)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>the
Denison Shares to be issued pursuant to the Offer shall have been approved for listing on the TSX and the NYSE&nbsp;MKT;
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(k)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>the
registration statement for the Denison Shares to be issued pursuant to the Offer shall have become effective under the U.S.&nbsp;Securities Act, and
no stop order suspending the effectiveness of the registration statement shall have been issued nor shall there have been any proceeding for that purpose initiated or threatened by the SEC and we
shall have received all necessary state securities law or blue sky authorizations; </FONT></DD></DL>
</UL>
<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>8</FONT></P>

<HR NOSHADE>
<P style='font-family:times;page-break-before:always'></p>
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<UL>
<DL compact>
<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(l)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>(i)
the board of directors of Rockgate shall have redeemed all outstanding rights or waived the application of the Shareholder Rights Plan to the purchase
of Shares by Denison under the Offer, a Compulsory Acquisition and/or any Subsequent Acquisition Transaction; or (ii)&nbsp;Denison shall have determined that the shareholder rights plan does not and
will not materially adversely affect the Offer or have a Material Adverse Effect either before, or upon consummation of, the Offer, a Compulsory Acquisition or any Subsequent Acquisition Transaction;
or (iii)&nbsp;a cease trading order or an injunction shall have been issued by the applicable regulatory authorities that has the effect of prohibiting or preventing the exercise of the rights or
the issue of Shares upon the exercise of the rights in relation to the Offer, a Compulsory Acquisition and/or any Subsequent Acquisition Transaction, which cease trading order or injunction shall be
in full force and effect; or (iv)&nbsp;a court of competent jurisdiction shall have made a final and non-appealable order that the rights are illegal, invalid, of no force or effect or may not be
exercised in relation to the Offer, a Compulsory Acquisition or any Subsequent Acquisition Transaction; or (v)&nbsp;the shareholder rights plan and the rights shall otherwise have been held
unexercisable or unenforceable in relation to the purchase by Denison of the&nbsp;Shares;
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(m)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>the
Lock-Up Agreements between Denison and the Locked-Up Shareholders shall not have been terminated or breached by the Locked-Up Shareholders and the
enforceability or performance of the Lock-Up Agreements (or&nbsp;any one of them) shall not have been enjoined or otherwise prevented or prohibited by any Laws, regulator or court;&nbsp;and
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(n)</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>Denison
shall have determined that a Restricted Event shall not have&nbsp;occurred. </FONT></DD></DL>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>"</FONT><FONT
SIZE=2><B>Restricted Event</B></FONT><FONT SIZE=2>" means, with respect to Rockgate and its subsidiaries, any of the&nbsp;following:</FONT></P>

<DL compact>
<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>the issuance, sale or authorization of any additional Shares, shares of any other class or series of capital of Rockgate,
other voting securities or any securities convertible into, or options (other than the 2013 Options), rights (other than rights issued pursuant to the Shareholder Rights Plan adopted by Rockgate) or
warrants, conditional or otherwise, to acquire, any of the foregoing (except upon the exercise of options in accordance with their terms), or any other securities or rights in respect of, in lieu of,
or in substitution or exchange for any shares in Rockgate's capital; </FONT><FONT SIZE=2>
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>declaring, paying, authorizing or making any distribution, payment or dividend on any of Rockgate's securities, except for
the required payment of principal or interest on Rockgate's debt securities outstanding on the date hereof in accordance with their terms reflected in Rockgate's consolidated interim financial report
as of and for the year ended June&nbsp;30,&nbsp;2013; </FONT><FONT SIZE=2>
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>any amendment to the notice of articles or articles of Rockgate; </FONT><FONT SIZE=2>
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>acquiring, disposing of, pledging or transferring any material assets or securities (except in the ordinary course of
business consistent with past&nbsp;practice); </FONT><FONT SIZE=2>
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>making any material capital expenditures (except in the ordinary course of business consistent with past&nbsp;practice); </FONT> <FONT SIZE=2>
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>other than the Retention Agreements, adopting, amending, varying, modifying or taking any other action with respect to any
bonus, profit sharing, incentive, salary or other compensation, equity based award, pension, retirement, deferred compensation, severance, change in control, employment or other employee benefit plan,
agreement, trust, fund or arrangement for the benefit or welfare of any officer, director or employee, or similar rights or other benefits except for (A)&nbsp;awards under such plans for officers,
directors and employees currently in existence and publicly disclosed, which are made in the ordinary course of business consistent with past practice or (B)&nbsp;actions with respect to bonuses,
salary or other compensation in the ordinary course of business consistent with past&nbsp;practice; </FONT><FONT SIZE=2>
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>(A) incurring or committing to incur any material indebtedness for borrowed money or issuing any debt securities, except
for borrowings in the ordinary course of business consistent with past practice under existing credit facilities, (B)&nbsp;incurring or committing to incur, or guaranteeing, endorsing or otherwise
becoming responsible for, any other material liability, obligation or indemnity or the obligation of any </FONT></DD></DL>
</UL>
<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>9</FONT></P>

<HR NOSHADE>
<P style='font-family:times;page-break-before:always'></p>
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<UL>
<UL>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>other
person, or (C)&nbsp;making any loans or advances to persons other than wholly-owned subsidiaries, except in the ordinary course of business consistent with past&nbsp;practice; </FONT></P>

</UL>
<DL compact>
<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>paying, discharging or satisfying any material claims, liabilities or obligations other than the payment, discharge or
satisfaction, in the ordinary course of business consistent with past practice in accordance with their terms, of claims, liabilities or obligations reflected or reserved against in Rockgate's
consolidated financial statements as of and for the year ended June&nbsp;30, 2013 or incurred in the ordinary course of business consistent with past&nbsp;practice; </FONT> <FONT SIZE=2>
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>waiving, releasing, granting, transferring, exercising or amending any rights of material value or modifying or changing
in any material respect (A)&nbsp;any existing material contractual rights in respect of any material joint ventures or material properties, projects or rights of any kind, or (B)&nbsp;any other
material license, lease, permit, authorization, concession, contract or other document other than in the ordinary course of business consistent with past practice, and only if so doing would not have
a Material Adverse&nbsp;Effect; </FONT><FONT SIZE=2>
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>any default, termination, acceleration or other event under any material instrument or agreement to which Rockgate or any
of its subsidiaries is a party or by which any of their respective properties or assets are bound which would have a Material Adverse Effect whether such event shall have occurred as a result of
Denison making the Offer, the taking up and paying for Shares under the Offer, the completion of a Compulsory Acquisition or a Subsequent Acquisition Transaction or for any other reason (other than a
default under Rockgate's term loan facility or credit agreement or any other agreement filed on Rockgate's SEDAR profile as of the date of this document which shall have occurred as a result of
Denison making the Offer), taking up and paying for Rockgate Shares under the Offer or completing a Compulsory Acquisition or a Subsequent Acquisition Transaction; </FONT> <FONT SIZE=2>
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>entering into or completing (A)&nbsp;any material transaction not in the ordinary course of business, or
(B)&nbsp;other than with Denison or any of its affiliates subsequent to the date of the Offer, any exchange offer, merger, amalgamation, plan of arrangement, reorganization, consolidation, business
combination, reverse take-over, sale of all or substantially all of its assets, recapitalization, dissolution, winding up or similar transaction; </FONT><FONT SIZE=2>
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>the authorization by the board of directors of Rockgate or Rockgate's shareholders or of any subsidiary of Rockgate of any
of the foregoing;&nbsp;or </FONT><FONT SIZE=2>
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>&#149;</FONT></DT><DD style="font-family:times;text-align:justify"><FONT SIZE=2>the entering into of any agreement to do any of the foregoing. </FONT></DD></DL>
</UL>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
foregoing conditions are for the exclusive benefit of Denison and may be asserted by Denison regardless of the circumstances giving rise to any such assertion, including any action
or inaction by&nbsp;Denison. </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Unless
precluded from doing so by applicable Laws, Denison may, in its sole discretion, waive any of these conditions in whole or in part on our behalf, without prejudice to any other
rights which Denison may have. Each of the foregoing conditions is independent of and in addition to each other and may be asserted irrespective of whether any other of such conditions may be asserted
in connection with any particular event, occurrence or state of facts or otherwise. Any determination by Denison concerning any condition or relevant event shall be final and binding on all parties.
The failure by Denison at any time to exercise any of the foregoing rights shall not be deemed a waiver of any right and each right shall be deemed a continuing right that may be asserted at any time
and from time to time until the Expiry&nbsp;Time. </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any
waiver of a condition or the termination or withdrawal of the Offer will be effective upon written notice (or&nbsp;other communication subsequently confirmed in writing, provided
that such confirmation is not a condition of the effectiveness of the notice) by Denison to that effect to the Depositary at its principal office in Toronto, Ontario. Forthwith after giving any such
notice, Denison will make a public announcement of such waiver, termination or withdrawal and will cause the Depositary, if required by applicable Laws, as soon as practicable thereafter to
communicate such notice in the manner set forth in Section&nbsp;10 of the Offer, "Notices and Delivery", to all registered Shareholders and to all holders of Options. If the Offer is withdrawn,
Denison will not be obligated to take up or pay for any Shares deposited under the Offer and the Depositary will promptly return all Deposited Shares in accordance with Section&nbsp;7 of the Offer,
"Return of Deposited Shares". </FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>10</FONT></P>

<HR NOSHADE>
<P style='font-family:times;page-break-before:always'></p>
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<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Time for Acceptance  </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Offer is now open for acceptance until 4:00&nbsp;p.m. (Toronto time) on November&nbsp;18, 2013, or such later time or times and date or dates as may be
fixed by Denison from time to time pursuant to Section&nbsp;5 of the Offer, "Extension, Variation or Change in the&nbsp;Offer". </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>5.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Manner of Acceptance  </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Shares may be deposited under the Offer in accordance with the provisions set forth in Section&nbsp;3 of the Offer, "Manner of&nbsp;Acceptance". </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>6.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Take-Up of and Payment for Deposited Shares  </B></FONT></P>


<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Denison will take-up and pay for Shares deposited under the Offer in the manner set forth in Section&nbsp;6 of the Offer, "Take-Up and Payment for Deposited
Shares". </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>7.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Withdrawal of Deposited Shares  </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Shareholders have the right to withdraw Shares deposited under the Offer in the circumstances and in the manner set forth in Section&nbsp;8 of the Offer,
"Withdrawal of Deposited Shares". </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>8.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Amendments and Variations to Offer Documents  </B></FONT></P>


<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Offer and Circular, the Letter of Transmittal and the Notice of Guaranteed Delivery shall be read together with this Notice of Extension and Variation in
order to give effect to the variations to the Offer and the amendments to the Offer and Circular, the Letter of Transmittal and the Notice of Guaranteed Delivery set forth herein. </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>9.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Statutory Rights  </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Securities legislation of the provinces and territories of Canada provides Shareholders with, in addition to any other rights they may have at law, one or more
rights of rescission, price revision or to damages if there is a misrepresentation in a circular or notice that is required to be delivered to the Shareholders. However, such rights must be exercised
within prescribed time limits. Shareholders should refer to the applicable provisions of the securities legislation of their province or territory for particulars of those rights or consult
a&nbsp;lawyer. </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>10.&nbsp;&nbsp;&nbsp;Directors' Approval  </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The contents of this Notice of Extension and Variation have been approved, and the sending, communication or delivery thereof to the Shareholders has been
authorized, by the board of directors of&nbsp;Denison. </FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>11</FONT></P>

<HR NOSHADE>
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<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><A
NAME="lc78202_certificate_of_denison_mines_corp."> </A>
<A NAME="toc_lc78202_1"> </A>
<BR></FONT><FONT SIZE=2><B>  CERTIFICATE OF DENISON MINES CORP.    <BR>    </B></FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The foregoing, together with the Offer and Circular dated September&nbsp;19, 2013, and the Notice of Extension dated
October&nbsp;25, 2013 contains no untrue statement of a material fact and does not omit to state a material fact that is required to be stated or that is necessary to make a statement not misleading
in the light of the circumstances in which it was&nbsp;made. </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2>DATED:
October&nbsp;30, 2013 </FONT></P>
 <DIV style="padding:0pt;position:relative;width:80%;margin-left:10%;">
<P style="font-family:times;text-align:justify"></FONT></P>

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<TR VALIGN="TOP">
<TD ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>(Signed) </FONT><FONT SIZE=2>RON F. HOCHSTEIN</FONT><FONT SIZE=2><BR>
President and Chief Executive Officer</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="BOTTOM" style="font-family:times;"><FONT SIZE=2>(Signed) </FONT><FONT SIZE=2>DAVID CATES</FONT><FONT SIZE=2><BR>
Vice President, Finance and Tax and Chief Financial Officer</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD COLSPAN=3 ALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2> On Behalf of the Board of Directors</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD ALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>(Signed) </FONT><FONT SIZE=2>WILLIAM A. RAND</FONT><FONT SIZE=2><BR>
Director</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="BOTTOM" style="font-family:times;"><p align=center style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>(Signed) </FONT><FONT SIZE=2>JOHN CRAIG</FONT><FONT SIZE=2><BR>
Director</FONT></TD>
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 <P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>12</FONT></P>

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<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><A
NAME="le78202_the_depositary_for_the_offer_is_"> </A>
<A NAME="toc_le78202_1"> </A>
<BR></FONT><FONT SIZE=2><B>  The Depositary for the Offer is:    <BR>    </B></FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>Computershare
Investor Services&nbsp;Inc. </FONT></P>
 <DIV style="padding:0pt;position:relative;width:80%;margin-left:10%;">
<P style="font-family:times;text-align:justify"></FONT></P>

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<TD ALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2><B>By Mail</B></FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><B> By Registered Mail, by Hand or by Courier</B></FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD ALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Computershare Investor Services&nbsp;Inc.<BR>
PO Box&nbsp;7021<BR>
31&nbsp;Adelaide Street E.<BR>
Toronto ON<BR>
M5C&nbsp;3H2<BR>
Attention: Corporate Actions</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>Computershare Investor Services&nbsp;Inc.<BR>
100&nbsp;University Ave., 8<SUP>th</SUP>&nbsp;Floor<BR>
Toronto ON<BR>
M5J&nbsp;2Y1<BR>
Attention: Corporate Actions</FONT></TD>
</TR>
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 <P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><A
NAME="le78202_the_information_agent_for_the_offer_is_"> </A>
<A NAME="toc_le78202_2"> </A>
<BR></FONT><FONT SIZE=2><B>  The Information Agent for the Offer is:    <BR>    </B></FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>Laurel
Hill Advisory Group<BR>
Toll-Free Phone: 1-877-452-7184<BR>
Outside of North America Phone: 1-416-304-0211<BR>
Facsimile: 1-416-646-2415<BR>
E-mail: <U>assistance@laurelhill.com</U> </FONT></P>

<P style="font-family:times;text-align:justify"><FONT SIZE=2><B>Any questions or requests for assistance or additional copies of the Notice of Extension and Variation, Offer and Circular, the Letter of Transmittal or the Notice of
Guaranteed Delivery may be directed to the Depositary or the Information Agent. Shareholders may also contact their investment advisor, stockbroker, bank, trust company or other nominee for assistance
concerning the&nbsp;Offer.</B></FONT></P>

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<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><A
NAME="be78201_part_ii_information_not_requir__par03037"> </A>
<A NAME="toc_be78201_1"> </A>
<BR></FONT><FONT SIZE=2><B>  PART II<BR>  <BR>    INFORMATION NOT REQUIRED TO BE DELIVERED<BR>  TO OFFEREES OR PURCHASERS    <BR>    </B></FONT></P>


<P style="font-family:times;"><FONT SIZE=2><B> Indemnification  </B></FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;As permitted by the Ontario </FONT><FONT SIZE=2><I>Business Corporations Act</I></FONT><FONT SIZE=2>, the Registrant's Bylaws provide
that the Registrant will indemnify its directors and officers and any former directors or officers of the Registrant or persons who act or acted at the Registrant's request as a director or officer of
a body corporate of which the Registrant is or was a shareholder or creditor, and his or her heirs and legal representatives, against all costs, charges and expenses, including an amount paid to
settle an action or satisfy a judgment, reasonably incurred by him or her in respect of any civil, criminal or administrative action or proceeding to which he or she is made a party by reason of being
or having been a director or officer of the Registrant or such body corporate,&nbsp;if,  </FONT></P>

<UL>
<DL compact>
<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(a)</FONT></DT><DD style="font-family:times;"><FONT SIZE=2>he
or she acted honestly and in good faith with a view to the best interests of the Registrant;&nbsp;and
<BR><BR></FONT></DD><DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>(b)</FONT></DT><DD style="font-family:times;"><FONT SIZE=2>in
the case of a criminal or administrative action or proceeding that is enforced by a monetary penalty, he or she had reasonable grounds for believing that
his or her conduct was&nbsp;lawful. </FONT></DD></DL>
</UL>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
Ontario </FONT><FONT SIZE=2><I>Business Corporations Act</I></FONT><FONT SIZE=2> also provides, and the Registrant's Bylaws permit, that, with the approval of the court, such
persons may also be indemnified by the Registrant in respect of an action by or on behalf of the Registrant or any such body corporate to procure a judgment in its favor, to which the person is made a
party by reason of being or having been a director or officer of the Registrant or such body corporate. Generally, any director or officer who is entitled to an indemnity may also be indemnified by
the Registrant for all of his or her costs, charges and expenses reasonably incurred in defending his or her position, if he or she was substantially successful in his or her defense and fulfills the
conditions in clauses&nbsp;(a) and&nbsp;(b) above. </FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
Registrant maintains liability insurance for its directors and officers acting in their respective capacities in an aggregate amount of Cdn$20,000,000, subject to the following
deductibles: (a)&nbsp;Cdn$250,000 per occurrence; (b)&nbsp;Cdn$250,000 for a loss due to a claim under applicable Canadian securities laws; and (c)&nbsp;$250,000 for a loss due to a claim under
applicable U.S.&nbsp;securities laws. The premium paid by the Registrant in 2012 for this coverage was Cdn$155,530 for the period from November&nbsp;1, 2012 to November&nbsp;1, 2013. No amounts
were paid by individual directors and officers for this&nbsp;coverage. </FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In
addition, the Registrant has entered into separate Indemnity Agreements with each of its officers and directors, which Agreements provide for indemnification of the director or
officer against certain judgments, penalties, fines and expenses incurred by each such officer or director in connection with certain threatened, pending or completed investigations, inquiries,
hearings, actions or&nbsp;proceedings. </FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Insofar
as indemnification for liabilities arising under the </FONT><FONT SIZE=2><I>Securities Act of 1933</I></FONT><FONT SIZE=2>, as amended, may be permitted to directors, officers
and controlling persons of the Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the U.S.&nbsp;Securities and Exchange Commission
such indemnification is against public policy as expressed in the </FONT><FONT SIZE=2><I>Securities Act of 1933</I></FONT><FONT SIZE=2>, as amended, and is, therefore, unenforceable. In the event
that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the
successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the
opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as
expressed in the </FONT><FONT SIZE=2><I>Securities Act of 1933</I></FONT><FONT SIZE=2>, as amended, and will be governed by the final adjudication of such&nbsp;issue. </FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
above discussion of the Registrant's Bylaws and Ontario law is not intended to be exhaustive and is qualified in its entirety by such Bylaws, the Registrant's Certificate of
Incorporation and Ontario&nbsp;Law. </FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>II-1</FONT></P>

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<A NAME="page_be78201_1_2"> </A>
<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><A
NAME="be78201_exhibits"> </A>
<A NAME="toc_be78201_2"> </A>
<BR></FONT><FONT SIZE=2><B>  EXHIBITS    <BR>    </B></FONT></P>
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<p style="font-family:times;"></FONT></P>

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<TR VALIGN="BOTTOM">
<TH NOWRAP  ALIGN="LEFT" style="font-family:times;"><DIV style="border-bottom:solid #000000 1.0pt;margin-bottom:0pt;width:29pt;"><FONT SIZE=1><B>Exhibit<BR>
Number

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 </B></FONT></DIV></TH>
<TH style="font-family:times;"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH ALIGN="LEFT" style="font-family:times;border-bottom:solid #000000 1.0pt;"><FONT SIZE=1><B>Description </B></FONT></TH>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.1*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Letter of Transmittal dated September&nbsp;19, 2013</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.2*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Notice of Guaranteed Delivery dated September&nbsp;19, 2013</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.3*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and JP Morgan Asset Management (UK)&nbsp;Limited</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.4*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and New&nbsp;City Energy Limited</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.5*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and Geiger Counter Limited</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.6*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and City Natural Resources High Yield Trust&nbsp;plc</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.7*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and Sprott Asset Management USA&nbsp;Inc.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.8*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and Resource Capital Investment Corp., General&nbsp;Partner</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.9*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and Sprott Asset Management&nbsp;LP</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.1*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Annual Information Form for the year ended December&nbsp;31, 2012 (incorporated by reference to the Registrant's Annual Report on
Form&nbsp;40-F, as filed with the Securities and Exchange Commission on March&nbsp;15,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.2*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Audited Consolidated Financial Statements, and the related notes thereto, as at December&nbsp;31, 2012 and 2011 and for each of
the years in the two year period ended December&nbsp;31, 2012 and the Auditors' Report thereon (incorporated by reference to the Registrant's Annual Report on Form&nbsp;40-F, as filed with the Securities and Exchange Commission on March&nbsp;15,
&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.3*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Management's Discussion and Analysis of Financial Position and Operating Results for the years ended December&nbsp;31, 2012 and
2011 (incorporated by reference to the Registrant's Annual Report on Form&nbsp;40-F, as filed with the Securities and Exchange Commission on March&nbsp;15,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.4*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Management Information Circular for the Registrant's annual meeting of shareholders held on May&nbsp;9, 2013 (incorporated by
reference to the Registrant's Report on Form&nbsp;6-K furnished to the Securities and Exchange Commission on April&nbsp;18,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.5*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Unaudited Consolidated Interim Financial Statements and the related notes thereto for the three and six months ended June&nbsp;30,
 2013 and 2012 (incorporated by reference to the Registrant's Report on Form&nbsp;6-K furnished to the Securities and Exchange Commission on August&nbsp;20,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.6*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Management's Discussion and Analysis of Financial Position and Operating Results for the three and six months ended June&nbsp;30,
2013 and 2012 (incorporated by reference to the Registrant's Report on Form&nbsp;6-K furnished to the Securities and Exchange Commission on August&nbsp;20,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.7*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Material Change Report of the Registrant dated January&nbsp;16, 2013 (incorporated by reference to the Registrant's Report on
Form&nbsp;6-K furnished to the Securities and Exchange Commission on January&nbsp;17,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.8*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Material Change Report of the Registrant dated January&nbsp;17, 2013</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.9*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Material Change Report of the Registrant dated March&nbsp;15, 2013 (incorporated by reference to the Registrant's Report on
Form&nbsp;6-K furnished to the Securities and Exchange Commission on March&nbsp;25,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.10*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Amended and Restated Business Acquisition Report of the Registrant regarding the acquisition, effective April&nbsp;26, 2013, of
Fission Energy Corp., dated September&nbsp;9, 2013 (incorporated by reference to the Registrant's Report on Form&nbsp;6-K furnished to the Securities and Exchange Commission on September&nbsp;10,&nbsp;2013)</FONT></TD>
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 <P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>II-2</FONT></P>

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<TH NOWRAP  ALIGN="LEFT" style="font-family:times;"><DIV style="border-bottom:solid #000000 1.0pt;margin-bottom:0pt;width:29pt;"><FONT SIZE=1><B>Exhibit<BR>
Number

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<TH style="font-family:times;"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH ALIGN="LEFT" style="font-family:times;border-bottom:solid #000000 1.0pt;"><FONT SIZE=1><B>Description </B></FONT></TH>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.1*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of PricewaterhouseCoopers&nbsp;LLP</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.2*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Ernst&nbsp;&amp; Young&nbsp;LLP</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.3*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Cassels, Brock&nbsp;&amp; Blackwell&nbsp;LLP</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.4*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Steve Blower, P. Geo</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.5*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Terry V. Wetz, P.E.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.6*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Roscoe Postle Associates&nbsp;Inc.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.7*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Leo R. Hwozdyk, P.Eng.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.8*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Thomas C. Pool, P.E.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.9*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Neil N. Gow, P.Geo.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.10*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Richard E. Routledge, M.Sc., P.Geo.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.11*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of James W. Hendry, P.Eng.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.12*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Luke Evans, M.Sc., P.Eng.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.13*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Hrayr Agnerian, M.Sc. (Applied), P. Geo.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.14*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Michel Dagbert, P.Eng.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.15*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Malcolm Titley, B.Sc. (Geology and Chemistry), MAusIMM, MAIG</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.16*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Mark B. Mathisen, B.Sc., P.G.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.17*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of William E. Roscoe, Ph.D.,.Eng.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.18*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of CSA Global (UK)&nbsp;Ltd.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.19*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of SGS Geostat&nbsp;Ltd.</FONT></TD>
</TR>
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<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>5.1*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Powers of Attorney (included on the signature page of this Registration Statement)</FONT></TD>
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<DL compact>
<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>*</FONT></DT><DD style="font-family:times;"><FONT SIZE=2>Previously filed with the Registrant's Form&nbsp;F-8 (Commission File No.&nbsp;333-191254), filed with the
Commission on September&nbsp;19,&nbsp;2013. </FONT></DD></DL>
<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>II-3</FONT></P>

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<A NAME="toc_bf78201_1"> </A>
<BR></FONT><FONT SIZE=2><B>  PART III<BR>  <BR>    UNDERTAKING AND CONSENT TO SERVICE OF PROCESS    <BR>    </B></FONT></P>

<P style="font-family:times;"><FONT SIZE=2><A
NAME="bf78201_item_1._undertakings"> </A>
<A NAME="toc_bf78201_2"> </A></FONT> <FONT SIZE=2><B>  Item&nbsp;1.&nbsp;&nbsp;&nbsp;&nbsp;Undertakings    <BR>    </B></FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant undertakes to make available, in person or by telephone, representatives to respond to inquiries made by the Commission
staff, and to furnish promptly, when requested to do so by the Commission staff, information relating to the securities registered pursuant to Form&nbsp;F-8 or&nbsp;to transactions in said
securities. </FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
Registrant further undertakes to disclose in the United&nbsp;States, on the same basis as it is required to make such disclosure pursuant to any applicable Canadian federal and/or
provincial or territorial law, regulation or policy, information regarding purchases of the Registrant's securities or of the subject issuer's securities during the exchange offer. Such information
shall be set forth in amendments to this&nbsp;Form.  </FONT></P>

<P style="font-family:times;"><FONT SIZE=2><A
NAME="bf78201_item_2._consent_to_service_of_process"> </A>
<A NAME="toc_bf78201_3"> </A></FONT> <FONT SIZE=2><B>  Item&nbsp;2.&nbsp;&nbsp;&nbsp;&nbsp;Consent to&nbsp;Service of Process    <BR>    </B></FONT></P>


<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant has filed with the Commission a written irrevocable consent and power of attorney on Form&nbsp;F-X. </FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any
change to the name or address of the agent for service of process of the Registrant shall be communicated promptly to the Commission by an amendment to the Form&nbsp;F-X
referencing the file number of the relevant registration statement. </FONT></P>

<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>III-1</FONT></P>

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<BR></FONT><FONT SIZE=2><B>  SIGNATURES    <BR>    </B></FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the </FONT><FONT SIZE=2><I>Securities Act of 1933</I></FONT><FONT SIZE=2>, the Registrant certifies
that it has reasonable grounds to believe that it meets all of the requirements for filing on Form&nbsp;F-8 and&nbsp;has duly caused this Amendment No.&nbsp;2 to&nbsp;this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Toronto in the Province of Ontario, Canada, on October&nbsp;30,&nbsp;2013. </FONT></P>
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<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=3 style="font-family:times;"><FONT SIZE=2><B> DENISON MINES CORP.</B></FONT></TD>
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<TD style="font-family:times;"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD style="font-family:times;"><BR><FONT SIZE=2>  By:</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD VALIGN="BOTTOM" style="font-family:times;"><BR><FONT SIZE=2>/s/&nbsp;RONALD F. HOCHSTEIN<BR>


<HR NOSHADE SIZE="1.0pt" WIDTH="100%" COLOR="#000000">

</FONT> <FONT SIZE=2> Name: Ronald F. Hochstein<BR>
Title: President and Chief Executive Officer<BR></FONT>
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 <P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to the requirements of the Securities Act, this Amendment No.&nbsp;2 to&nbsp;this Registration Statement has been signed by the following persons in the capacities and on
the dates indicated. </FONT></P>
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<p style="font-family:times;"></FONT></P>

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<TH style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TH>
<TH ALIGN="LEFT" style="font-family:times;border-bottom:solid #000000 1.0pt;"><FONT SIZE=1><B>Signature </B></FONT></TH>
<TH style="font-family:times;"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH ALIGN="CENTER" style="font-family:times;border-bottom:solid #000000 1.0pt;"><FONT SIZE=1><B>Title </B></FONT></TH>
<TH style="font-family:times;"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH ALIGN="CENTER" style="font-family:times;border-bottom:solid #000000 1.0pt;"><FONT SIZE=1><B>Date </B></FONT></TH>
</TR>
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<TD style="font-family:times;"><FONT SIZE=1><B><BR>&nbsp;</B></FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><BR><FONT SIZE=2>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
</TR>
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<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>/s/&nbsp;RONALD F. HOCHSTEIN<BR>


<HR NOSHADE SIZE="1.0pt" WIDTH="100%" COLOR="#000000">

</FONT> <FONT SIZE=2> Ronald F. Hochstein</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>President, Chief Executive Officer and Director (Principal Executive Officer)</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>October&nbsp;30, 2013</FONT></TD>
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<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>*<BR>


<HR NOSHADE SIZE="1.0pt" WIDTH="100%" COLOR="#000000">

</FONT> <FONT SIZE=2> David D. Cates</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Vice President Finance, Tax and Chief Financial Officer (Principal Financial and Accounting Officer)</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p align=center style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>October&nbsp;30, 2013</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2><BR>



<HR NOSHADE SIZE="1.0pt" WIDTH="100%" COLOR="#000000">

</FONT> <FONT SIZE=2> Eun Ho Cheong</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Director</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>*<BR>


<HR NOSHADE SIZE="1.0pt" WIDTH="100%" COLOR="#000000">

</FONT> <FONT SIZE=2> John H. Craig</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Director</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p align=center style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>October&nbsp;30, 2013</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>*<BR>


<HR NOSHADE SIZE="1.0pt" WIDTH="100%" COLOR="#000000">

</FONT> <FONT SIZE=2> W. Robert Dengler</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Director</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p align=center style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>October&nbsp;30, 2013</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>*<BR>


<HR NOSHADE SIZE="1.0pt" WIDTH="100%" COLOR="#000000">

</FONT> <FONT SIZE=2> Brian D. Edgar</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Director</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p align=center style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>October&nbsp;30, 2013</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>*<BR>


<HR NOSHADE SIZE="1.0pt" WIDTH="100%" COLOR="#000000">

</FONT> <FONT SIZE=2> Lukas H. Lundin</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2><BR>
Chairman of the Board of Directors</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p align=center style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2><BR>
October&nbsp;30, 2013</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>*<BR>


<HR NOSHADE SIZE="1.0pt" WIDTH="100%" COLOR="#000000">

</FONT> <FONT SIZE=2> William A. Rand</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Director</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p align=center style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>October&nbsp;30, 2013</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>*<BR>


<HR NOSHADE SIZE="1.0pt" WIDTH="100%" COLOR="#000000">

</FONT> <FONT SIZE=2> Catherine J. G. Stefan</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Director</FONT></TD>
<TD VALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD ALIGN="CENTER" VALIGN="CENTER" style="font-family:times;"><p align=center style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>October&nbsp;30, 2013</FONT></TD>
</TR>
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<p style="font-family:times;"></FONT></P>

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<TD WIDTH="12pt" style="font-family:times;"></TD>
<TD WIDTH="45%" style="font-family:times;"></TD>
<TD WIDTH="12pt" style="font-family:times;"></TD>
<TD WIDTH="49%" style="font-family:times;"></TD>
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<TR VALIGN="TOP">
<TD style="font-family:times;"><BR><FONT SIZE=2> *By:</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD VALIGN="BOTTOM" style="font-family:times;"><BR><FONT SIZE=2>/s/&nbsp;RONALD F. HOCHSTEIN<BR>


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</FONT> <FONT SIZE=2> Ronald F. Hochstein<BR></FONT> <FONT SIZE=2><I> Attorney-in-fact<BR> </I></FONT></TD>
<TD VALIGN="BOTTOM" style="font-family:times;"><FONT SIZE=2><I><BR>&nbsp;</I></FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2><I><BR>
&nbsp;</I></FONT></TD>
</TR>
</TABLE></DIV>
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 <P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>III-2</FONT></P>

<HR NOSHADE>
<P style='font-family:times;page-break-before:always'></p>
<!-- ZEQ.=1,SEQ=21,EFW="2217174",CP="DENISON MINES CORPORATION",DN="1",CHK=266613,FOLIO='2',FILE='DISK123:[13ZCU1.13ZCU78201]BI78201A.;19',USER='JDAY',CD='29-OCT-2013;18:22' -->
<A NAME="page_bi78201_1_3"> </A>
<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><A
NAME="bi78201_authorized_representative"> </A>
<A NAME="toc_bi78201_2"> </A>
<BR></FONT><FONT SIZE=2><B>  AUTHORIZED REPRESENTATIVE    <BR>    </B></FONT></P>

<P style="font-family:times;"><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of Section&nbsp;6(a) of the Securities Act of 1933, as amended, the undersigned has signed this
Registration Statement, solely in the capacity of the duly authorized representative of Denison Mines Corp. in the United&nbsp;States, in the City of Newark, State of Delaware, on October&nbsp;30,
2013. </FONT></P>
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<p style="font-family:times;"></FONT></P>

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<TD WIDTH="12pt" style="font-family:times;"></TD>
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<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD COLSPAN=3 style="font-family:times;"><FONT SIZE=2><B> PUGLISI&nbsp;&amp;&nbsp;ASSOCIATES</B></FONT></TD>
</TR>
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<TD style="font-family:times;"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD style="font-family:times;"><BR><FONT SIZE=2>  By:</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD VALIGN="BOTTOM" style="font-family:times;"><BR><FONT SIZE=2>/s/&nbsp;DONALD J. PUGLISI<BR>


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</FONT> <FONT SIZE=2> Name: Donald J. Puglisi<BR>
Title: Managing Director<BR></FONT>
</TD>
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 <P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2>III-3</FONT></P>

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<P style='font-family:times;page-break-before:always'></p>
<!-- ZEQ.=2,SEQ=22,EFW="2217174",CP="DENISON MINES CORPORATION",DN="1",CHK=759047,FOLIO='3',FILE='DISK123:[13ZCU1.13ZCU78201]BI78201A.;19',USER='JDAY',CD='29-OCT-2013;18:22' -->
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</FONT></P>

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<P ALIGN="CENTER" style="font-family:times;"><FONT SIZE=2><A
NAME="bk78201_exhibits"> </A>
<A NAME="toc_bk78201_1"> </A>
<BR></FONT><FONT SIZE=2><B>  EXHIBITS    <BR>    </B></FONT></P>
 <DIV style="padding:0pt;position:relative;width:100%;margin-left:0%;">
<p style="font-family:times;"></FONT></P>

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<TR><!-- TABLE COLUMN WIDTHS SET -->
<TD WIDTH="40pt" style="font-family:times;"></TD>
<TD WIDTH="12pt" style="font-family:times;"></TD>
<TD WIDTH="" style="font-family:times;"></TD>
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<TR VALIGN="BOTTOM">
<TH NOWRAP  ALIGN="LEFT" style="font-family:times;"><DIV style="border-bottom:solid #000000 1.0pt;margin-bottom:0pt;width:29pt;"><FONT SIZE=1><B>Exhibit<BR>
Number

<!-- COMMAND=ADD_SCROPPEDRULE,29pt -->

 </B></FONT></DIV></TH>
<TH style="font-family:times;"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH ALIGN="LEFT" style="font-family:times;border-bottom:solid #000000 1.0pt;"><FONT SIZE=1><B>Description </B></FONT></TH>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.1*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Letter of Transmittal dated September&nbsp;19, 2013</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.2*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Notice of Guaranteed Delivery dated September&nbsp;19, 2013</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.3*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and JP Morgan Asset Management (UK)&nbsp;Limited</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.4*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and New&nbsp;City Energy Limited</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.5*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and Geiger Counter Limited</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.6*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and City Natural Resources High Yield Trust&nbsp;plc</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.7*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and Sprott Asset Management USA&nbsp;Inc.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.8*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and Resource Capital Investment Corp., General&nbsp;Partner</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>2.9*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Lock Up Agreement between the Registrant and Sprott Asset Management&nbsp;LP</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.1*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Annual Information Form for the year ended December&nbsp;31, 2012 (incorporated by reference to the Registrant's Annual Report on
Form&nbsp;40-F, as filed with the Securities and Exchange Commission on March&nbsp;15,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.2*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Audited Consolidated Financial Statements, and the related notes thereto, as at December&nbsp;31, 2012 and 2011 and for each of
the years in the two year period ended December&nbsp;31, 2012 and the Auditors' Report thereon (incorporated by reference to the Registrant's Annual Report on Form&nbsp;40-F, as filed with the Securities and Exchange Commission on March&nbsp;15,
&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.3*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Management's Discussion and Analysis of Financial Position and Operating Results for the years ended December&nbsp;31, 2012 and
2011 (incorporated by reference to the Registrant's Annual Report on Form&nbsp;40-F, as filed with the Securities and Exchange Commission on March&nbsp;15,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.4*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Management Information Circular for the Registrant's annual meeting of shareholders held on May&nbsp;9, 2013 (incorporated by
reference to the Registrant's Report on Form&nbsp;6-K furnished to the Securities and Exchange Commission on April&nbsp;18,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.5*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Unaudited Consolidated Interim Financial Statements and the related notes thereto for the three and six months ended June&nbsp;30,
 2013 and 2012 (incorporated by reference to the Registrant's Report on Form&nbsp;6-K furnished to the Securities and Exchange Commission on August&nbsp;20,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.6*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Management's Discussion and Analysis of Financial Position and Operating Results for the three and six months ended June&nbsp;30,
2013 and 2012 (incorporated by reference to the Registrant's Report on Form&nbsp;6-K furnished to the Securities and Exchange Commission on August&nbsp;20,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.7*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Material Change Report of the Registrant dated January&nbsp;16, 2013 (incorporated by reference to the Registrant's Report on
Form&nbsp;6-K furnished to the Securities and Exchange Commission on January&nbsp;17,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.8*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Material Change Report of the Registrant dated January&nbsp;17, 2013</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.9*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Material Change Report of the Registrant dated March&nbsp;15, 2013 (incorporated by reference to the Registrant's Report on
Form&nbsp;6-K furnished to the Securities and Exchange Commission on March&nbsp;25,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>3.10*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Amended and Restated Business Acquisition Report of the Registrant regarding the acquisition, effective April&nbsp;26, 2013, of
Fission Energy Corp., dated September&nbsp;9, 2013 (incorporated by reference to the Registrant's Report on Form&nbsp;6-K furnished to the Securities and Exchange Commission on September&nbsp;10,&nbsp;2013)</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.1*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of PricewaterhouseCoopers&nbsp;LLP</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.2*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Ernst&nbsp;&amp; Young&nbsp;LLP</FONT></TD>
</TR>
</TABLE></DIV>
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<P style='font-family:times;page-break-before:always'></p>
<!-- ZEQ.=1,SEQ=23,EFW="2217174",CP="DENISON MINES CORPORATION",DN="1",CHK=75883,FOLIO='blank',FILE='DISK123:[13ZCU1.13ZCU78201]BK78201A.;5',USER='RRICKEN',CD='25-OCT-2013;10:22' -->
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<TH NOWRAP  ALIGN="LEFT" style="font-family:times;"><DIV style="border-bottom:solid #000000 1.0pt;margin-bottom:0pt;width:29pt;"><FONT SIZE=1><B>Exhibit<BR>
Number

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 </B></FONT></DIV></TH>
<TH style="font-family:times;"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH ALIGN="LEFT" style="font-family:times;border-bottom:solid #000000 1.0pt;"><FONT SIZE=1><B>Description </B></FONT></TH>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.3*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Cassels, Brock&nbsp;&amp; Blackwell&nbsp;LLP</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.4*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Steve Blower, P. Geo</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.5*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Terry V. Wetz, P.E.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.6*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Roscoe Postle Associates&nbsp;Inc.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.7*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Leo R. Hwozdyk, P.Eng.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.8*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Thomas C. Pool, P.E.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.9*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Neil N. Gow, P.Geo.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.10*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Richard E. Routledge, M.Sc., P.Geo.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.11*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of James W. Hendry, P.Eng.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.12*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Luke Evans, M.Sc., P.Eng.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.13*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Hrayr Agnerian, M.Sc. (Applied), P. Geo.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.14*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Michel Dagbert, P.Eng.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.15*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Malcolm Titley, B.Sc. (Geology and Chemistry), MAusIMM, MAIG</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.16*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of Mark B. Mathisen, B.Sc., P.G.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.17*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of William E. Roscoe, Ph.D.,.Eng.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.18*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of CSA Global (UK)&nbsp;Ltd.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>4.19*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Consent of SGS Geostat&nbsp;Ltd.</FONT></TD>
</TR>
<TR VALIGN="TOP">
<TD style="font-family:times;"><p style="font-family:times;margin-top:12pt;margin-left:10pt;text-indent:-10pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>5.1*</FONT></TD>
<TD style="font-family:times;"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD style="font-family:times;"><p align=left style="font-family:times;margin-top:12pt;margin-left:0pt;text-indent:0pt;"><FONT SIZE=2> </FONT><FONT SIZE=2>Powers of Attorney (included on the signature page of this Registration Statement)</FONT></TD>
</TR>
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<DL compact>
<DT style='font-family:times;margin-bottom:-11pt;'><FONT SIZE=2>*</FONT></DT><DD style="font-family:times;"><FONT SIZE=2>Previously filed with the Registrant's Form&nbsp;F-8 (Commission File No.&nbsp;333-191254), filed with the
Commission on September&nbsp;19,&nbsp;2013. </FONT></DD></DL>
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<P style='font-family:times;page-break-before:always'></p>
<!-- ZEQ.=2,SEQ=24,EFW="2217174",CP="DENISON MINES CORPORATION",DN="1",CHK=10755,FOLIO='blank',FILE='DISK123:[13ZCU1.13ZCU78201]BK78201A.;5',USER='RRICKEN',CD='25-OCT-2013;10:22' -->
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<P><br><A NAME="13ZCU78201_1">QuickLinks</A><br></P><!-- TOC_BEGIN -->
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_ba78201_1">Explanatory Note</A></FONT><BR>
<!-- TOC_BEGIN -->
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_bc78201_1">PART I INFORMATION REQUIRED TO BE DELIVERED TO OFFEREES OR PURCHASERS</A></FONT><BR>
<!-- TOC_BEGIN -->
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_bc78202_1">CURRENCY</A></FONT><BR>
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_bc78202_2">FORWARD-LOOKING STATEMENTS</A></FONT><BR>
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<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_dg78202_1">NOTICE OF EXTENSION AND VARIATION</A></FONT><BR>
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<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_lc78202_1">CERTIFICATE OF DENISON MINES CORP.</A></FONT><BR>
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<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_le78202_1">The Depositary for the Offer is</A></FONT><BR>
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_le78202_2">The Information Agent for the Offer is</A></FONT><BR>

<!-- TOC_BEGIN -->
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_be78201_1">PART II INFORMATION NOT REQUIRED TO BE DELIVERED TO OFFEREES OR PURCHASERS</A></FONT><BR>
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_be78201_2">EXHIBITS</A></FONT><BR>
<!-- TOC_BEGIN -->
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_bf78201_1">PART III UNDERTAKING AND CONSENT TO SERVICE OF PROCESS</A></FONT><BR>
<UL>
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_bf78201_2">Item 1. Undertakings</A></FONT><BR>
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_bf78201_3">Item 2. Consent to Service of Process</A></FONT><BR>
</UL>
<!-- TOC_BEGIN -->
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_bi78201_1">SIGNATURES</A></FONT><BR>
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_bi78201_2">AUTHORIZED REPRESENTATIVE</A></FONT><BR>
<!-- TOC_BEGIN -->
<FONT SIZE=2 style="font-family:times;"><A HREF="#toc_bk78201_1">EXHIBITS</A></FONT><BR>
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
