<SEC-DOCUMENT>0001654954-22-000907.txt : 20220131
<SEC-HEADER>0001654954-22-000907.hdr.sgml : 20220131
<ACCEPTANCE-DATETIME>20220131140217
ACCESSION NUMBER:		0001654954-22-000907
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20220131
FILED AS OF DATE:		20220131
DATE AS OF CHANGE:		20220131

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:		22572651

	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 JANUARY 31, 2022
<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>
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<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>
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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: 13px; font-weight: bold;">Date: January 31, 2022</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: 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>
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<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>
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<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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<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>
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principal executive offices)</font></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>
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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: 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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<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;">INCORPORATION BY REFERENCE<br></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: justify; text-indent: 0px; margin-right: 0px; margin-left: 0px;"><font style="font-family: Times New Roman; font-size: 13px;"><font style="font-size: 11px; font-family: Arial"><font style="font-family: Times New Roman"><font style="font-size: 12px"><font style="font-size: 13px">Exhibit 99.1 to
this Form 6-K of Denison Mines Corp. is hereby incorporated by
reference to its Registration Statement on Form F-10 (File No.
333-258939), as amended or
supplemented</font></font></font>.</font></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>
<font style="font-family: Times New Roman; font-size: 13px; font-weight: bold;">SIGNATURES<br></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;">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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<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>
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<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>
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<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> January
31, 2022</font></div>
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<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>
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<td style="width: 47%; vertical-align: top;">
<div><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; 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>
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</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>
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<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>
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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;">Exhibit&#xA0;Number</font></div>
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<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>
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<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>
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<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="dmc-prjan312022newdirecto.htm">Press
release dated January 31, 2022</a><font><br></font></div>
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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>dmc-prjan312022newdirecto.htm
<DESCRIPTION>PRESS RELEASE DATED JANUARY 31, 2022
<TEXT>
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<font style="font-weight: bold">&#xA0; <font style="font-family: Times New Roman; font-size: 13px">Exhibit
99.1</font><br></font></div>
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<font style="font-family: Arial; font-size: 11px;">&#xA0;</font></div>
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<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%; vertical-align: bottom;">
<div><img src="denisonlogo-med.jpg"></div>
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<td style="width: 50%">
<div><font>&#xA0;</font>
<div style="text-align: right; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 11px">Denison Mines
Corp.</font></div>
<div style="text-align: right; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 11px">1100 &#x2013; 40
University Ave</font></div>
<div style="text-align: right; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 11px">Toronto, ON M5J
1T1</font></div>
<div style="text-align: right; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Arial; font-size: 11px">www.denisonmines.com</font></div>
<div style="text-align: right; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-size: 11px"><font style="color: #000000; font-family: Arial; font-size: 12px"><font style="font-size: 11px">@DenisonMinesCo</font></font></font></div>
</div>
</td>
</tr></table>
</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: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Arial; font-size: 13px">PRESS
RELEASE</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-weight: bold"><font style="color: #000000; font-family: Arial; font-size: 16px">Denison
Announces Board and Management Additions</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: Arial; font-size: 12px"><font style="font-weight: bold; color: #000000; font-family: Arial">Toronto, ON
&#x2013; Jan 31, 2022. Denison Mines Corp.</font> <font style="color: #000000; font-family: Arial">(&#x201C;Denison&#x201D; or the
&#x201C;Company&#x201D;) (TSX: DML, NYSE American: DNN)</font> is
pleased to announce the appointment of Ms. Laurie Sterritt to the
Board of Directors and Mr. Kevin Himbeault to the position of Vice
President of Plant Operations &amp; Regulatory
Affairs.</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: Arial; font-size: 12px"><font style="color: #000000">Ron Hochstein, Chair of the Board of Denison,
commented,</font> <font style="font-weight: bold; font-style: italic; color: #000000">&#x201C;We
are pleased to welcome Laurie Sterritt to the Board. Laurie has
over 25 years of experience in the fields of Indigenous,
government, and community relations and a passion for influencing
diversity and inclusion within corporate Canada. Given
Laurie&#x2019;s tremendous experience, we are gratified that she has
agreed to join our Board of Directors, particularly at this
critical time of growth for the Company.&#x201D;</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: Arial; font-size: 12px"><font style="color: #000000">Mr. Cates, President &amp; CEO of the Company,
further commented,</font> <font style="font-weight: bold; font-style: italic; color: #000000">&#x201C;We
are also quite pleased to have Kevin Himbeault join the Denison
leadership team. Kevin has extensive senior experience in the
operation and oversight of Athabasca Basin uranium processing, as
well as the critically important area of licensing and regulatory
affairs for uranium processing operations in Canada. Kevin joins
Denison at an exciting time, as his unique industry knowledge and
practical experience will provide immediate value to our
Feasibility Study efforts for our flagship Wheeler River project,
as well as support the ongoing development and growth of our
Saskatoon-based technical team.&#x201D;</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="color: #000000; font-style: italic; font-family: Arial; font-size: 12px">
This press release constitutes a "designated news release" for the
purposes of the Company's prospectus supplement dated September 28,
2021 to its short form base shelf prospectus dated September 16,
2021.</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-weight: bold; font-family: Arial; font-size: 12px">
Ms. Laurie Sterritt - Director</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: Arial; font-size: 12px">Laurie Sterritt
is a Managing Director at Leaders International, an executive
search firm in Canada. In 2018 and 2019, Ms. Sterritt hosted and
produced the first-of-its-kind Indigenous Women&#x2019;s Leadership
Summit (IWLS), with a mandate to inspire and uplift Indigenous
women throughout their personal and professional journeys. Prior to
that, Ms. Sterritt developed and implemented the Indigenous
Employment and Business Development strategy for BC Hydro and led
the start-up and growth of the Aboriginal Mentoring and Training
Association (AMTA) and its subsidiary social enterprise, First
Resources Impact Ventures (FRIV).</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: Arial; font-size: 12px">Ms. Sterritt is a
member of the Kispiox Band of the Gitxsan Nation and has been
recognized for her commitment to creating respectful and inclusive
workplaces and, most notably, was a nominee for the 2013 YWCA Women
of Distinction Awards. Ms. Sterritt formerly held Board roles with
the Canadian Centre for Arts and Technology (CANCAT), the Real
Estate Council of BC, the Industry Training Authority of BC and the
British Columbia Institute of Technology. Ms. Sterritt holds a
Bachelor of Commerce from the University of British Columbia and a
Certificate in Professional Fund Raising from the University of
Indiana.</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-weight: bold; font-family: Arial; font-size: 12px">
Mr. Kevin Himbeault &#x2013; Vice President Plant Operations &amp;
Regulatory Affairs</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: Arial; font-size: 12px">Mr. Himbeault
will be based in the Company&#x2019;s Saskatoon office and will be
tasked with oversight of all matters related to process plant
operations and regulatory affairs (including environmental
assessments, licencing, quality, as well as health and safety) for
Denison operated uranium development projects and the
Company&#x2019;s minority interests in operating
facilities.</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: Arial; font-size: 12px">Mr. Himbeault has
significant operational and regulatory experience, with over 25
years of diverse involvement in the mining industry through
consulting and operations management.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
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</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: Arial; font-size: 12px">In previous
roles, Mr. Himbeault has been responsible for substantial
improvements in mining and processing facilities, to ensure
sustainability of operations, and has successfully facilitated
environmental assessments in both the uranium and diamond mining
sectors. During his 18-year career with Cameco Corporation, Mr.
Himbeault led the Key Lake Operation through multiple relicensing
processes and spearheaded the development and approval of the
environmental assessment for the Key Lake Extension Project. With
over 14 years of direct experience at the Key Lake Operation, his
responsibilities have included senior management leadership for
plant operations (including uranium processing, site infrastructure
services, maintenance, and recent automation initiatives), as well
as oversight of the development of safety, health, quality, and
radiation protection programs. Mr. Himbeault most recently held the
position of Operations Manager at the Key Lake mill and holds a
Master of Science (MSc) degree in Toxicology from the University of
Saskatchewan.</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-weight: bold"><font style="font-style: italic; color: #000000; font-family: Arial; font-size: 12px">
About Denison</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="color: #000000; font-style: italic; font-family: Arial; font-size: 12px">
Denison is a uranium exploration and development company with
interests focused in the Athabasca Basin region of northern
Saskatchewan, Canada. The Company has an effective 95% interest in
its flagship Wheeler River Uranium Project, which is the largest
undeveloped uranium project in the infrastructure rich eastern
portion of the Athabasca Basin region of northern Saskatchewan.
Denison&#x2019;s interests in Saskatchewan also include a 22.5%
ownership interest in the McClean Lake joint venture ("MLJV"),
which includes several uranium deposits and the McClean Lake
uranium mill that is contracted to process the ore from the Cigar
Lake mine under a toll milling agreement, plus a 25.17% interest in
the Midwest Main and Midwest A deposits, and a 66.90% interest in
the Tthe Heldeth T&#xFA;&#xE9; ("THT", formerly J Zone) and Huskie
deposits on the Waterbury Lake property. Each of Midwest Main,
Midwest A, THT and Huskie are located within 20 kilometres of the
McClean Lake mill.</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="color: #000000; font-style: italic; font-family: Arial; font-size: 12px">
Through its 50% ownership of JCU (Canada) Exploration Company,
Limited, Denison holds additional interests in various uranium
project joint ventures in Canada, including the Millennium project
(JCU 30.099%), the Kiggavik project (JCU 33.8123%) and Christie
Lake (JCU 34.4508%). Denison&#x2019;s exploration portfolio includes
further interests in properties covering ~280,000 hectares in the
Athabasca Basin region.</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="color: #000000; font-style: italic; font-family: Arial; font-size: 12px">
Denison is also engaged in mine decommissioning and environmental
services through its Closed Mines group (formerly Denison
Environmental Services), which manages Denison's Elliot Lake
reclamation projects and provides third-party post-closure mine
care and maintenance services.</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: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Arial; font-size: 12px">
For more information, please contact</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: 420px; margin-right: 0px; text-indent: -420px">
<font style="font-family: Arial; font-size: 12px">David
Cates&#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;&#xA0; &#xA0;&#xA0;&#xA0;
&#xA0;&#xA0;&#xA0; (416) 979-1991 ext. 362</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Arial; font-size: 12px">President and
Chief Executive Officer</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: Arial; font-size: 12px"><font style="color: #000000">Mac McDonald</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;&#xA0;
&#xA0;&#xA0;&#xA0; <font style="color: #000000">(416) 979-1991
ext.242</font></font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Arial; font-size: 12px">Exec.
Vice President &amp; Chief Financial Officer</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: Arial; font-size: 12px"><font style="color: #000000">Follow Denison on
Twitter</font>&#xA0;&#xA0;<font style="color: #000000">&#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; @DenisonMinesCo</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-weight: bold"><font style="font-style: italic"><font style="color: #000000; font-family: Arial; font-size: 12px">Cautionary
Statement Regarding Forward-Looking
Statements</font></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-style: italic; font-family: Arial; font-size: 11px">
Certain information contained in this press release constitutes
"forward-looking information", within the meaning of the United
States Private Securities Litigation Reform Act of 1995 and similar
Canadian legislation concerning the business, operations and
financial performance and condition of Denison. Generally, these
forward-looking statements can be identified by the use of
forward-looking terminology such as "plans", "expects", "budget",
"scheduled", "estimates", "forecasts", "intends", "anticipates", or
"believes", or the negatives and/or variations of such words and
phrases, or state that certain actions, events or results "may",
"could", "would", "might" or "will be taken", "occur", "be
achieved" or "has the potential to". In particular, this press
release contains forward-looking information pertaining to the
following: the anticipated role and objectives to be achieved with
the creation of the Vice President Plant Operations &amp;
Regulatory Affairs position and the appointment of Kevin Himbeault;
and Denison&#x2019;s percentage interest in its properties and its
plans and agreements with its joint venture partners.</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-style: italic; font-family: Arial; font-size: 11px">
Forward looking statements are based on the opinions and estimates
of management as of the date such statements are made, and they are
subject to known and unknown risks, uncertainties and other factors
that may cause the actual results, performance or achievements of
Denison to be materially different from those expressed or implied
by forward-looking statements. Denison believes that the
expectations reflected in this forward-looking information are
reasonable but no assurance can be given that these expectations
will prove to be accurate and may differ materially from those
anticipated in this forward looking information.</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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</div>
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<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</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: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-style: italic; font-family: Arial; font-size: 11px">
For a discussion in respect of risks and other factors that could
influence forward-looking events, please refer to the factors
discussed in Denison's Annual Information Form dated March 26, 2021
under the heading "Risk Factors". These factors are not, and should
not be construed as being exhaustive.</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: Arial; font-size: 11px"><font style="font-style: italic; font-size: 11px">Accordingly, readers should
not place undue reliance on forward-looking statements. The
forward-looking information contained in this press release is
expressly qualified by this cautionary statement. Any
forward-looking information and the assumptions made with respect
thereto speaks only as of the date of this press release. Denison
does not undertake any obligation to publicly update or revise any
forward-looking information after the date of this press release to
conform such information to actual results or to changes in
Denison's expectations except as otherwise required by applicable
legislation</font>.</font></div>
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