<SEC-DOCUMENT>0001654954-20-010886.txt : 20201006
<SEC-HEADER>0001654954-20-010886.hdr.sgml : 20201006
<ACCEPTANCE-DATETIME>20201006152445
ACCESSION NUMBER:		0001654954-20-010886
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20201006
FILED AS OF DATE:		20201006
DATE AS OF CHANGE:		20201006

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:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33414
		FILM NUMBER:		201226626

	BUSINESS ADDRESS:	
		STREET 1:		40 UNIVERSITY AVE., SUITE 1100
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 1T1
		BUSINESS PHONE:		(416) 979-1991

	MAIL ADDRESS:	
		STREET 1:		40 UNIVERSITY AVE., SUITE 1100
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 1T1

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERNATIONAL URANIUM CORP
		DATE OF NAME CHANGE:	19980603
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>form6-k.htm
<DESCRIPTION>FORM 6-K DATED OCTOBER 6, 2020
<TEXT>
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<div style="text-align: center; text-indent: 0px; padding-top: 5.3px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 24px; font-weight: bold;">UNITED STATES</font></div>
<div style="text-align: center; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 24px; font-weight: bold;">SECURITIES AND EXCHANGE COMMISSION</font></div>
<div style="text-align: center; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px; font-weight: bold;">Washington, D.C. 20549</font></div>
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<div style="text-align: center; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 24px; font-weight: bold;">FORM 6-K</font></div>
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<br>
<div style="text-align: center; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px; font-weight: bold;">REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE
13a-16 OR 15d-16</font></div>
<div style="text-align: center; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px; font-weight: bold;">UNDER THE SECURITIES EXCHANGE ACT OF 1934</font></div>
<div style="text-align: justify; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: center; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px; font-weight: bold;">Date: October 6, 2020</font></div>
<div style="text-align: center; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: center; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">Commission File Number:</font> <font style="font-family: Times New Roman; font-size: 13px; font-weight: bold;">001-33414</font></div>
<div style="text-align: center; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: center; text-indent: 0px; padding-bottom: 2.7px; margin-right: 0px; margin-left: 0px; line-height: 1;"><font style="font-family: Times New Roman; font-size: 13px;"><font style="font-family: Times New Roman; font-size: 32px; font-weight: bold;">Denison Mines Corp.</font>&#xA0;<br></font></div>
<div style="text-align: left; width: 100%; text-indent: 0px; margin-right: 0px; margin-left: 0px; border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1px; border-bottom-style: solid;"><!--Rule Below Paragraph--></div>
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registrant)</font></font></div>
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: center; text-indent: 0px; padding-bottom: 2.7px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: left; width: 100%; text-indent: 0px; margin-right: 0px; margin-left: 0px; border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1px; border-bottom-style: solid;"><!--Rule Below Paragraph--></div>
<div style="text-align: justify; text-indent: 0px; margin-right: 0px; margin-left: 0px; line-height: 1; padding-top: 8px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: center; text-indent: 0px; margin-right: 0px; margin-left: 0px; line-height: 1; padding-top: 8px;"><font style="font-family: Times New Roman; font-size: 13px; font-weight: bold;">1100-40 University Avenue</font> <font style="font-family: Times New Roman; font-size: 13px;"><br>
</font></div>
<div style="text-align: center; text-indent: 0px; padding-top: 8px; margin-right: 0px; margin-left: 0px; line-height: 1;"><font style="font-family: Times New Roman; font-size: 13px; font-weight: bold;">Toronto Ontario</font></div>
<div style="text-align: center; text-indent: 0px; padding-top: 8px; margin-right: 0px; margin-left: 0px; line-height: 1;"><font style="font-family: Times New Roman; font-size: 13px; font-weight: bold;">&#xA0;M5J 1T1 Canada</font> <font style="font-family: Times New Roman; font-size: 13px;"><br>
</font></div>
<div style="text-align: center; text-indent: 0px; padding-bottom: 2.7px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
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<div style="text-align: center; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;<font style="font-style: italic">(Address of
principal executive offices)</font></font></div>
<div style="text-align: left; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
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<div style="text-align: left; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;Indicate by check mark whether the registrant files
or will file annual reports under cover Form 20-F or Form
40-F.</font></div>
<div style="text-align: justify; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: center; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">Form
20-F&#xA0;&#xA0;&#x2610;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;Form&#xA0;&#xA0;&#xA0;&#xA0;40-F&#xA0;&#xA0;&#xA0;&#x2612;</font></div>
<div style="text-align: justify; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: left; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">Indicate by check mark if the registrant is submitting the
Form 6-K in paper as permitted by Regulation S-T Rule
101(b)(1):&#xA0;&#xA0;&#x2610;</font></div>
<div style="text-align: left; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">Indicate by check mark if the registrant is submitting the
Form 6-K in paper as permitted by Regulation S-T Rule
101(b)(7):&#xA0;&#xA0;&#x2610;</font></div>
<div style="text-align: justify; text-indent: 0px; margin-right: 0px; margin-left: 0px;"></div>
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<font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font>
<div style="text-align: center; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px; font-weight: bold;">SIGNATURES<br></font></div>
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<div style="text-align: left; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">Pursuant to the requirements of the Securities Exchange Act
of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly
authorized.</font></div>
<div style="text-align: left; text-indent: 0px; padding-top: 16px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
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<tr>
<td style="width: 47%; vertical-align: middle;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 1%; vertical-align: bottom;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 4%; vertical-align: middle;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 0%; vertical-align: bottom;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 0%; vertical-align: middle;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 1%; vertical-align: bottom;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 47%; vertical-align: middle;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
</tr><tr>
<td style="width: 47%; vertical-align: top;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 1%; vertical-align: bottom;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 4%; vertical-align: top;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 0%; vertical-align: bottom;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td colspan="3" style="width: 48%; vertical-align: top;">
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-weight: bold">DENISON MINES
CORP.</font><br></div>
</td>
</tr><tr>
<td style="width: 47%; vertical-align: middle;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td colspan="2" style="width: 5%; vertical-align: middle;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td colspan="4" style="width: 48%; vertical-align: middle;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
</tr><tr>
<td style="width: 47%; vertical-align: top;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 1%; vertical-align: bottom;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 4%; vertical-align: top;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 0%; vertical-align: bottom; border-bottom-color: rgb(0, 0, 0); border-bottom-width: 2px; border-bottom-style: solid;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td colspan="3" style="width: 48%; vertical-align: top; border-bottom-color: rgb(0, 0, 0); border-bottom-width: 2px; border-bottom-style: solid;">
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px; font-style: italic;">/s/ Amanda Willett</font></div>
</td>
</tr><tr>
<td style="width: 47%; vertical-align: top;">
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">Date<font style="font-weight: bold;">:&#xA0;</font> October
6, 2020</font></div>
</td>
<td style="width: 1%; vertical-align: bottom;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 4%; vertical-align: top;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 0%; vertical-align: bottom;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td colspan="3" style="width: 48%; vertical-align: top;">
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">Amanda
Willett</font></div>
</td>
</tr><tr>
<td style="width: 47%; vertical-align: top;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 1%; vertical-align: bottom;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 4%; vertical-align: bottom;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td style="width: 0%; vertical-align: bottom;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td colspan="3" style="width: 48%; vertical-align: top;">
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">Vice
President Legal and Corporate Secretary</font></div>
</td>
</tr></table>
</div>
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: justify; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
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<div style="text-align: left; width: 100%; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</div>
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<div id="hdr">
<div style="text-align: left; width: 100%; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</div>
</div>
<div style="text-align: justify; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: center; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;"><font style="font-weight: bold;">FORM 6-K
EXHIBIT INDEX</font></font></div>
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: center">
<table cellpadding="0" cellspacing="0" style="text-align: center; margin: 0px auto 0px 0px; width: 100%; font-family: Times New Roman; font-size: 13px;">
<tr>
<td style="width: 10%; vertical-align: bottom;">
<div style="text-align: center; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">Exhibit&#xA0;Number</font></div>
</td>
<td style="width: 5%; vertical-align: bottom;">
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;&#xA0;</font></div>
</td>
<td style="width: 85%; vertical-align: bottom;">
<div style="text-align: left; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;">Description</font></div>
</td>
</tr><tr>
<td style="width: 10%; vertical-align: middle;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
<td colspan="2" style="width: 90%; vertical-align: middle;">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
</td>
</tr><tr>
<td>
<div style="text-align: center">9<font>9.1</font></div>
</td>
<td>
<div><font>&#xA0;</font></div>
</td>
<td>
<div style="text-align: left"><a href="changeofauditornoticesign.htm">Notice of
Change of Auditor</a><font><br></font></div>
</td>
</tr><tr>
<td>
<div style="text-align: center">9<font>9.2<br></font></div>
</td>
<td>
<div><font>&#xA0;</font></div>
</td>
<td>
<div style="text-align: left"><font><a href="denisonmines-changeinaudi.htm">Letter from Former
Auditor</a><br></font></div>
</td>
</tr><tr>
<td>
<div style="text-align: center">9<font>9.3<br></font></div>
</td>
<td>
<div><font>&#xA0;</font></div>
</td>
<td>
<div style="text-align: left"><a href="a1successorauditorlettert.htm">Letter
from Successor Auditor</a><font><br></font></div>
</td>
</tr><tr>
<td style="width: 10%; vertical-align: top;">
<br></td>
<td style="width: 5%; vertical-align: bottom;">
<br></td>
<td style="width: 85%; vertical-align: top;">
<br></td>
</tr><tr>
<td><br></td>
<td><br></td>
<td><br></td>
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</div>
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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>changeofauditornoticesign.htm
<DESCRIPTION>NOTICE OF CHANGE OF AUDITOR
<TEXT>
<html>
<head>
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<title>changeofauditornoticesign</title>
</head>
<body style="font-family: Times New Roman; font-size: 13px;">
<div id="pgbrk" style="width: 100%; margin-left: 0px; text-indent: 0px; margin-right: 0px">
<div id="hdr">
<div style="text-align: left; width: 100%; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</div>
</div>
<div style="text-align: right; margin-left: 204px; margin-right: 160px; text-indent: 36px">
<font style="font-family: Arial; font-size: 15px; font-weight: bold;">Exhibit
99.1<br></font></div>
<div style="text-align: left; margin-left: 204px; margin-right: 160px; text-indent: 36px">
<font style="font-weight: bold"><font style="font-family: Arial; font-size: 15px;">&#xA0;</font></font></div>
<div style="text-align: left; margin-left: 204px; margin-right: 160px; text-indent: 36px">
<font style="font-weight: bold; font-family: Arial; font-size: 15px">DENISON
MINES CORP.</font></div>
<div style="text-align: left; margin-left: 204px; margin-right: 160px; text-indent: 36px">
<font style="font-weight: bold; font-family: Arial; font-size: 15px">NOTICE OF
CHANGE OF AUDITOR</font></div>
<div style="text-align: left; margin-left: 108px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Arial; font-size: 15px">(National
Instrument 51-102 &#x2013; <font style="font-style: italic">Continuous Disclosure
Obligations</font>)</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="display: table; margin-left: 7px">
<div style="display: table-row">
<div style="display: table-cell; width: 115px"><font style="font-family: Arial; font-size: 15px"><font style="font-weight: bold">TO:</font>&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;<br>
</font></div>
<div style="text-align: left; display: table-cell"><font style="font-family: Arial; font-size: 15px">Ontario Securities
Commission</font></div>
</div>
</div>
<div style="text-align: left; margin-left: 132px; margin-right: 209px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">British Columbia
Securities Commission</font></div>
<div style="text-align: left; margin-left: 132px; margin-right: 209px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Alberta
Securities Commission</font></div>
<div style="text-align: left; margin-left: 132px; margin-right: 122px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Financial and
Consumer Affairs Authority of Saskatchewan</font></div>
<div style="text-align: left; margin-left: 132px; margin-right: 122px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Manitoba
Securities Commission</font></div>
<div style="text-align: left; margin-left: 132px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Autorit&#xE9; des
march&#xE9;s financiers</font></div>
<div style="text-align: left; margin-left: 132px; margin-right: 96px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Financial and
Consumer Services Commission (New Brunswick)</font></div>
<div style="text-align: left; margin-left: 132px; margin-right: 96px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Nova Scotia
Securities Commission</font></div>
<div style="text-align: left; margin-left: 132px; margin-right: 28px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Office of the
Superintendent of Securities, Service Newfoundland and
Labrador</font></div>
<div style="text-align: left; margin-left: 132px; margin-right: 28px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Office of
Superintendent of Securities, Government of Prince Edward
Island</font></div>
<div style="text-align: left; margin-left: 132px; margin-right: 28px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Office of
Superintendent of Securities, Northwest Territories</font></div>
<div style="text-align: left; margin-left: 132px; margin-right: 171px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Office of the
Yukon Superintendent of Securities</font></div>
<div style="text-align: left; margin-left: 132px; margin-right: 171px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Nunavut
Securities Office</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="display: table; margin-left: 8px">
<div style="display: table-row">
<div style="display: table-cell; width: 120px"><font style="font-family: Arial; font-size: 15px"><font style="font-weight: bold">AND TO:</font>&#xA0;</font></div>
<div style="text-align: left; display: table-cell"><font style="font-family: Arial; font-size: 15px">PricewaterhouseCoopers LLP
(&#x201C;<font style="font-weight: bold">PwC</font>&#x201D;)</font></div>
</div>
</div>
<div style="display: table; margin-left: 8px">
<div style="display: table-row">
<div style="display: table-cell; width: 120px"><font style="font-family: Arial; font-size: 15px">&#xA0;</font></div>
<div style="text-align: left; display: table-cell"><font style="font-family: Arial; font-size: 15px">KPMG LLP (&#x201C;<font style="font-weight: bold">KPMG</font>&#x201D;)</font></div>
</div>
</div>
<div style="display: table; margin-left: 8px">
<div style="display: table-row">
<div style="display: table-cell; width: 120px"><font style="font-family: Arial; font-size: 15px"></font><font style="font-family: Arial; font-size: 15px;">&#xA0;</font></div>
</div>
</div>
<div style="display: table; margin-left: 8px">
<div style="display: table-row">
<div style="display: table-cell; width: 120px"><font style="font-family: Arial; font-size: 15px"><font style="font-weight: bold">RE:</font>&#xA0;</font></div>
<div style="text-align: left; display: table-cell"><font style="font-family: Arial; font-size: 15px">Notice Regarding Change of
Auditor Pursuant to Section 4.11 of National Instrument 51-102
&#x2013; <font style="font-style: italic">Continuous Disclosure
Obligations</font> (&#x201C;<font style="font-weight: bold">NI
51-102</font>&#x201D;)</font></div>
</div>
</div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 13px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px">Notice is hereby
given of a change of the auditor of Denison Mines Corp. (the
&#x201C;<font style="font-weight: bold">Company</font>&#x201D;)
pursuant to section 4.11 of NI 51-102.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div><font style="font-family: Times New Roman; font-size: 10">&#xA0;</font></div>
<div style="margin-left: 12px; display: table">
<div style="display: table-row">
<div style="text-align: left; display: table-cell; width: 48px">
<font style="font-family: Arial; font-size: 15px">1.</font></div>
<div style="text-align: justify; display: table-cell"><font style="font-family: Arial; font-size: 15px">Effective October 1, 2020
(the &#x201C;<font style="font-weight: bold">Effective
Date</font>&#x201D;), PwC, at the request of the Company, has
resigned as auditors of the Company and KPMG has been appointed as
auditors of the Company to fill the vacancy.</font></div>
</div>
</div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="margin-left: 12px; display: table">
<div style="display: table-row">
<div style="text-align: left; display: table-cell; width: 48px">
<font style="font-family: Arial; font-size: 15px">2.</font></div>
<div style="text-align: justify; display: table-cell"><font style="font-family: Arial; font-size: 15px">The resignation of PwC and
appointment of KPMG were considered and approved by the Company's
Board of Directors. The Company will ask that the shareholders of
the Company ratify the appointment of KPMG at the next annual
meeting of the shareholders of the Company.</font></div>
</div>
</div>
<div><font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font>
<font style="font-family: Times New Roman; font-size: 10"><br>
</font></div>
<div style="margin-left: 12px; display: table">
<div style="display: table-row">
<div style="text-align: left; display: table-cell; width: 48px">
<font style="font-family: Arial; font-size: 15px">3.</font></div>
<div style="text-align: justify; display: table-cell"><font style="font-family: Arial; font-size: 15px">There have been no modified
opinions in PwC&#x2019;s reports for the Company&#x2019;s two most
recently completed fiscal years or for any period subsequent to the
most recently completed period for which an audit report was issued
and preceding the Effective Date.</font></div>
</div>
</div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="margin-left: 12px; display: table">
<div style="display: table-row">
<div style="text-align: left; display: table-cell; width: 48px">
<font style="font-family: Arial; font-size: 15px">4.</font></div>
<div style="text-align: justify; display: table-cell"><font style="font-family: Arial; font-size: 15px">There were no reportable
events (as defined in NI 51-102) in connection with the audits for
the period commencing at the beginning of the Company&#x2019;s two
most recently completed financial years and ending on the Effective
Date.</font></div>
</div>
</div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 60px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 15px"><font style="font-weight: bold">DATED</font> the 1<font style="font-size: 11px">st</font> day of October, 2020.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 324px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Arial; font-size: 15px">DENISON
MINES CORP.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="display: table; margin-left: 320px">
<div style="display: table-row">
<div style="display: table-cell; width: 32px"><font style="font-family: Arial; font-size: 15px">by&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;</font></div>
<div style="display: table-cell; width: 292px"><font style="font-family: Arial; font-size: 15px"><font style="font-style: italic; text-decoration: underline">&#x201C;Gabriel
McDonald&#x201D;</font>&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;<br>
</font></div>
</div>
</div>
<div style="text-align: left; margin-left: 360px; margin-right: 120px; text-indent: 0px">
&#xA0;&#xA0;&#xA0; <font style="font-family: Arial; font-size: 15px">Gabriel McDonald Executive VP
&amp; CFO</font></div>
<div id="pgbrk" style="width: 100%; margin-left: 0px; text-indent: 0px; margin-right: 0px">
<div id="ftr">
<div style="text-align: left; width: 100%; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</div>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>denisonmines-changeinaudi.htm
<DESCRIPTION>LETTER FROM FORMER AUDITOR
<TEXT>
<html>
<head>
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<title>denisonmines-changeinaudi</title>
</head>
<body style="font-family: Times New Roman; font-size: 13px;">
<div id="pgbrk" style="width: 100%; margin-left: 0px; text-indent: 0px; margin-right: 0px">
<div id="hdr">
<div style="text-align: left; width: 100%; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</div>
</div>
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: right"><font style="font-family: Times New Roman; font-size: 13px;"><font style="font-weight: bold">Exhibit 99.2</font><br></font></div>
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font><font><br>
</font></div>
<img src="denisonmines-changeinaudi000.jpg">
<div><font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div><font>&#xA0;</font></div>
</div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;<br>
</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 72px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">October 5,
2020</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="display: table; margin-left: 72px">
<div style="display: table-row">
<div style="display: table-cell; width: 36px"><font style="font-family: Arial; font-size: 12px">To:&#xA0;</font></div>
<div style="text-align: left; display: table-cell"><font style="font-family: Arial; font-size: 12px">British Columbia Securities
Commission</font></div>
</div>
</div>
<div style="display: table; margin-left: 72px">
<div style="display: table-row">
<div style="display: table-cell; width: 36px"><font style="font-family: Arial; font-size: 12px">&#xA0;</font></div>
<div style="text-align: left; display: table-cell"><font style="font-family: Arial; font-size: 12px">Alberta Securities
Commission</font></div>
</div>
</div>
<div style="text-align: left; margin-left: 108px; margin-right: 186px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Financial and
Consumer Affairs Authority of Saskatchewan</font></div>
<div style="text-align: left; margin-left: 108px; margin-right: 186px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">The Manitoba
Securities Commission</font></div>
<div style="text-align: left; margin-left: 108px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Ontario
Securities Commission</font></div>
<div style="text-align: left; margin-left: 108px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Autorit&#xE9; des
march&#xE9;s financiers (Qu&#xE9;bec)</font></div>
<div style="text-align: left; margin-left: 108px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Financial and
Consumer Services Commission (New Brunswick)</font></div>
<div style="text-align: left; margin-left: 108px; margin-right: 80px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Nova Scotia
Securities Commission,</font></div>
<div style="text-align: left; margin-left: 108px; margin-right: 80px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Office of the
Superintendent of Securities Service Newfoundland &amp;
Labrador,</font></div>
<div style="text-align: left; margin-left: 108px; margin-right: 80px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Office of the
Superintendent of Securities Government of Prince Edward
Island,</font></div>
<div style="text-align: left; margin-left: 108px; margin-right: 80px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Office of the
Superintendent of Securities Northwest Territories</font></div>
<div style="text-align: left; margin-left: 108px; margin-right: 234px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Office of the
Yukon Superintendent of Securities</font></div>
<div style="text-align: left; margin-left: 108px; margin-right: 234px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Nunavut
Securities Office</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 72px; margin-right: 45px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">We have read the
statements made by Denison Mines Corp. in the attached copy of
change of auditor notice dated October 1, 2020, which we understand
will be filed pursuant to Section 4.11 of National Instrument
51-102.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 72px; margin-right: 80px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">We agree with the
statements in the change of auditor notice dated October 1, 2020.
Yours very truly,</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 84px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Arial; font-size: 12px">/s/
PricewaterhouseCoopers LLP</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 72px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Arial; font-size: 12px">Chartered
Professional Accountants</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
&#xA0;&#xA0;
<font style="font-family: Times New Roman; font-size: 13px"><br>
</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
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<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
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<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 72px; margin-right: 0px; text-indent: 0px">
<font style="font-style: italic; font-family: Arial; font-size: 11px">PricewaterhouseCoopers
LLP</font></div>
<div style="text-align: left; margin-left: 72px; margin-right: 169px; text-indent: 0px">
<font style="font-style: italic; font-family: Arial; font-size: 11px">PwC
Tower, 18 York Street, Suite 2600, Toronto, Ontario, Canada M5J 0B2
T: +1 416 815 5003, F: +1 416 814 3220, www.pwc.com/ca</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 72px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 11px">&#x201C;PwC&#x201D;
refers to PricewaterhouseCoopers LLP, an Ontario limited liability
partnership.</font></div>
<div id="pgbrk" style="width: 100%; margin-left: 0px; text-indent: 0px; margin-right: 0px">
<div id="ftr">
<div style="text-align: left; width: 100%; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
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<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>4
<FILENAME>a1successorauditorlettert.htm
<DESCRIPTION>LETTER FROM SUCCESSOR AUDITOR
<TEXT>
<html>
<head>
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<div style="text-align: right; margin-left: 192px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px;"><font style="font-weight: bold">Exhibit 99.3</font><br></font></div>
<div style="text-align: left; margin-left: 192px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px;">&#xA0;</font></div>
<div style="text-align: left; margin-left: 192px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px;">&#xA0;</font></div>
<div style="text-align: left">
<table cellpadding="0" cellspacing="0" style="text-align: left; margin: 0 auto;width: 100%;; font-family: inherit; font-size: inherit">
<tr>
<td style="width: 50%">
<div><img src="a1successorauditorlettert000.jpg"></div>
</td>
<td style="width: 50%">
<div><font>&#xA0;</font>
<div style="text-align: left; margin-left: 192px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">KPMG
LLP</font></div>
<div style="text-align: left; margin-left: 192px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Bay Adelaide
Centre</font></div>
<div style="text-align: left; margin-left: 192px; margin-right: 205px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">333 Bay Street,
Suite 4600 Toronto, ON M5H 2S5 Canada</font></div>
<div style="text-align: left; margin-left: 192px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Tel
416-777-8500</font></div>
<div style="text-align: left; margin-left: 192px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">Fax
416-777-8818</font></div>
</div>
</td>
</tr></table>
</div>
<div style="text-align: left; margin-left: 192px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px;">&#xA0;</font></div>
<br>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;<br>
</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Alberta
Securities Commission</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 268px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">British Columbia
Securities Commission</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 268px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">The Manitoba
Securities Commission</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Financial and
Consumer Services Commission, New Brunswick</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 78px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Office of the
Superintendent of Securities, Service Newfoundland and
Labrador</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 78px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Office of
Superintendent of Securities, Northwest Territories</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 289px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Nova Scotia
Securities Commission</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 289px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Nunavut
Securities Office</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Ontario
Securities Commission</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 108px; text-indent: -12px">
<font style="font-family: Arial; font-size: 13px">&#xA0;&#xA0; The
Office of the Superintendent of Securities, Consumer, Corporate and
Insurance Services Division, Prince Edward Island</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Autorit&#xE9; des
march&#xE9;s financiers</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 177px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Financial and
Consumer Affairs Authority of Saskatchewan</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 177px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Office of the
Yukon Superintendent of Securities</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 383px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">October 5,
2020</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 383px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 383px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Dear
Sir/Madam</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 383px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Arial; font-size: 13px">Re: Notice
of Change of Auditors of Denison Mines Corp.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">We have read the
Notice of Denison Mines Corp. dated October 1, 2020 and are in
agreement with the statements contained in such
Notice.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">&#xA0;
&#xA0; <font style="font-family: Times New Roman; font-size: 13px"><font style="font-style: italic">Signed "KPMG LLP"</font><br></font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Yours very
truly,</font></div>
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 13px">Chartered
Professional Accountants, Licensed Public Accountants</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 156px; margin-right: 84px; text-indent: 0px">
<font style="font-family: Arial; font-size: 8px">KPMG LLP is a
Canadian limited liability partnership and a member firm of the
KPMG network of independent member firms affiliated with KPMG
International Cooperative (&#x201C;KPMG International&#x201D;), a
Swiss entity.</font></div>
<div style="text-align: left; margin-left: 156px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 8px">KPMG Canada
provides services to KPMG LLP.</font></div>
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<div id="ftr">
<div style="text-align: left; width: 100%; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</div>
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<SEQUENCE>5
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