Exploring District-Scale Uranium, PGE & Gold Tasks

Kevin Himbeault , Denison’s Vice President of Plant Operations & Regulatory Affairs, commented, Clearing the CNSC conformity assessment and commencing the formal technical assessment section is a crucial preliminary achievement as a part of the EIS assessment for Wheeler River – making certain the continued development of the regulatory course of for what’s proposed as Canada’s first ISR uranium mining operation. Our workforce seems to be ahead to showcasing the superior customary of environmental sustainability assessed for the Undertaking, as we work with the regulatory technical assessment workforce s within the coming months.

The draft EIS outlines the Firm’s findings from the evaluation of the potential results related to the Undertaking, contemplating relevant mitigation measures, and displays a number of years of baseline environmental knowledge assortment, detailed third-party technical assessments, plus intensive engagement and session with Indigenous and non-Indigenous events.

The federal technical assessment course of is happening in parallel and on a coordinated foundation with the Saskatchewan Ministry of Atmosphere (“MOE”), which started its assessment efforts of the draft EIS following Denison’s preliminary submission in October (see information launch dated October 26, 2022 ). The technical assessment course of ensures the EIS (and supporting paperwork) incorporates full and ample info and that Denison’s evaluation of potential results is carried out accurately.

Corresponding with the acceptance of the draft EIS and graduation of the technical assessment, the CNSC has additionally opened the general public assessment and remark interval for the Undertaking, which can be open for 90-days ending on February 18, 2023 .

Environmental Evaluation Course of

A undertaking description was submitted by Denison and accepted by the MOE and the CNSC in 2019, which marked the formal initiation of the EA course of for the Undertaking (see information launch dated June 3, 2019 ).

The EIS has been ready in accordance with the Phrases of Reference supplied by the MOE in 2019 and the Generic Tips for the Preparation of an Environmental Affect Assertion (“Tips”) as licensed by the CNSC in 2019. Moreover, the EIS has been ready to align with the federal and provincial EA processes as stipulated below the Saskatchewan Environmental Evaluation Act, 2018 and CEAA 2012.

The joint provincial and federal EA course of permits Denison to file one EIS that meets the necessities of each the MOE and CNSC. The regulatory assessment course of is anticipated to contain additional requests for info/clarification from Denison earlier than the ultimate EIS is accepted by the regulatory companies.

About Wheeler River

Wheeler River is the biggest undeveloped uranium undertaking within the infrastructure wealthy japanese portion of the Athabasca Basin area, in northern Saskatchewan – together with mixed Indicated Mineral Sources of 132.1 million kilos U 3 O 8 (1,809,000 tonnes at a median grade of three.3% U 3 O 8 ), plus mixed Inferred Mineral Sources of three.0 million kilos U 3 O 8 (82,000 tonnes at a median grade of 1.7% U 3 O 8 ). The undertaking is host to the high-grade Phoenix and Gryphon uranium deposits, found by Denison in 2008 and 2014, respectively, and is a three way partnership between Denison (operator) and JCU ( Canada ) Exploration Firm Restricted ( JCU ).  Denison has an efficient 95% possession curiosity in Wheeler River (90% instantly, and 5% not directly by way of a 50% possession in JCU).

A Pre-Feasibility Research (” PFS “) was accomplished for Wheeler River in 2018, contemplating the potential financial advantage of creating the Phoenix deposit as an ISR operation and the Gryphon deposit as a traditional underground mining operation. Taken collectively, the Undertaking is estimated to have mine manufacturing of 109.4 million kilos U 3 O 8 over a 14-year mine life, with a base case pre-tax NPV of $1.31 billion (8% low cost fee), Inside Price of Return ( IRR ) of 38.7%, and preliminary pre-production capital expenditures of $322.5 million . The Phoenix ISR operation is estimated to have a stand-alone base case pre-tax NPV of $930.4 million (8% low cost fee), IRR of 43.3%, preliminary pre-production capital expenditures of $322.5 million , and industry-leading common working prices of US$3.33 /lb U 3 O 8 .  The PFS is ready on a undertaking (100% possession) and pre-tax foundation, as every of the companions to the Wheeler River Joint Enterprise are topic to completely different tax and different obligations.

Additional particulars relating to the PFS, together with further scientific and technical info, in addition to after-tax outcomes attributable to Denison s possession curiosity, are described in larger element within the NI 43-101 Technical Report titled Pre-feasibility Research for the Wheeler River Uranium Undertaking, Saskatchewan, Canada dated October 30, 2018 , with an efficient date of September 24 , 2018.  A duplicate of this report is obtainable on Denison’s web site and below its profile on SEDAR at www.sedar.com and on EDGAR at www.sec.gov/edgar.shtml.

Denison suspended sure actions at Wheeler River throughout 2020, together with the EA course of, which is on the important path to attaining the undertaking improvement schedule outlined within the PFS. Whereas the EA course of has resumed, the Firm isn’t at present capable of estimate the influence to the undertaking improvement schedule outlined within the PFS, and customers are cautioned towards counting on the estimates supplied therein relating to the beginning of pre-production actions in 2021 and first manufacturing in 2024.

About Denison

Denison is a uranium exploration and improvement firm with pursuits centered within the Athabasca Basin area of northern Saskatchewan, Canada . Along with its efficient 95% curiosity within the Wheeler River undertaking, Denison’s pursuits within the Athabasca Basin embrace a 22.5% possession curiosity within the McClean Lake three way partnership, which incorporates a number of uranium deposits and the McClean Lake uranium mill that’s contracted to course of the ore from the Cigar Lake mine below a toll milling settlement, plus a 25.17% curiosity within the Midwest Essential and Midwest A deposits, and a 67.01% curiosity within the Tthe Heldeth Túé (“THT,” previously J Zone) and Huskie deposits on the Waterbury Lake property. The Midwest Essential, Midwest A, THT and Huskie deposits are every positioned inside 20 kilometres of the McClean Lake mill.

By way of its 50% possession of JCU, Denison holds further pursuits in numerous uranium undertaking joint ventures in Canada , together with the Millennium undertaking (JCU 30.099%), the Kiggavik undertaking (JCU 33.8118%) and Christie Lake (JCU 34.4508%). Denison’s exploration portfolio contains additional pursuits in properties overlaying ~300,000 hectares within the Athabasca Basin area.

Denison can be engaged in post-closure mine care and upkeep companies by way of its Closed Mines group, which manages Denison’s reclaimed mine websites within the Elliot Lake area and offers associated companies to sure third-party initiatives.

Observe Denison on Twitter @DenisonMinesCo

Certified Individuals

The disclosure of scientific or technical info associated to the FFT or Wheeler River undertaking contained on this launch has been reviewed and permitted, as relevant, by Mr. David Bronkhorst , P.Eng, Denison’s Vice President, Operations or Mr. Andrew Yackulic , P. Geo., Denison’s Director, Exploration, who’re Certified Individuals in accordance with the necessities of NI 43-101.

Cautionary Assertion Relating to Ahead-Wanting Statements

Sure info contained on this information launch constitutes ‘forward-looking info’, throughout the that means of the relevant United States and Canadian laws, regarding the enterprise, operations and monetary efficiency and situation of Denison.  Usually, these forward-looking statements could be recognized by means of forward-looking terminology corresponding to ‘potential’, ‘plans’, ‘expects’, ‘funds’, ‘scheduled’, ‘estimates’, ‘forecasts’, ‘intends’, ‘anticipates’, or ‘believes’, or the negatives and/or variations of such phrases and phrases, or state that sure actions, occasions or outcomes ‘could’, ‘may’, ‘would’, ‘would possibly’ or ‘will be taken’, ‘happen’ or ‘be achieved’.

Particularly, this information launch incorporates forward-looking info pertaining to the next: expectations with respect to the EIS and the EIS regulatory assessment course of; expectations relating to the public assessment and remark interval for the Undertaking ; scope, targets and interpretations of the PFS ; and expectations relating to its three way partnership possession pursuits and the continuity of its agreements with its companions and third events.

Ahead trying statements are based mostly on the opinions and estimates of administration as of the date such statements are made, and they’re topic to identified and unknown dangers, uncertainties and different components that will trigger the precise outcomes, stage of exercise, efficiency or achievements of Denison to be materially completely different from these expressed or implied by such forward-looking statements. For instance, the modelling and assumptions upon which the work plans for exploration and/or the Wheeler River Undertaking are based mostly will not be maintained after additional work is accomplished.  As well as, Denison could determine or in any other case be required to discontinue exploration, testing, analysis and improvement work whether it is unable to keep up or in any other case safe the mandatory sources (corresponding to testing services, capital funding, regulatory approvals, and many others.).  Denison believes that the expectations mirrored on this forward-looking info are affordable however no assurance could be on condition that these expectations will show to be correct and outcomes could differ materially from these anticipated on this forward-looking info. For a dialogue in respect of dangers and different components that might affect forward-looking occasions, please seek advice from the components mentioned in Denison’s Annual Info Kind dated March 25, 2022 or subsequent quarterly monetary studies below the heading ‘Threat Elements’. These components aren’t, and shouldn’t be construed as being exhaustive.

Accordingly, readers shouldn’t place undue reliance on forward-looking statements. The forward-looking info contained on this information launch is expressly certified by this cautionary assertion. Any forward-looking info and the assumptions made with respect thereto speaks solely as of the date of this information launch. Denison doesn’t undertake any obligation to publicly replace or revise any forward-looking info after the date of this information launch to evolve such info to precise outcomes or to adjustments in Denison’s expectations besides as in any other case required by relevant laws.

Cautionary Notice to United States Traders Regarding Estimates of Mineral Sources and Mineral Reserves: This press launch could use phrases corresponding to measured , indicated ” a nd/or inferred mineral sources and confirmed or possible mineral reserves, that are phrases outlined just about the rules set out within the Canadian Institute of Mining, Metallurgy and Petroleum ( CIM ) Definition Requirements on Mineral Sources and Mineral Reserves ( CIM Requirements ).  The Firm s descriptions of its initiatives utilizing CIM Requirements will not be akin to related info made public by U.S. firms topic to the reporting and disclosure necessities below the USA federal securities legal guidelines and the principles and laws thereunder. United States traders are cautioned to not assume that every one or any a part of measured or indicated mineral sources will ever be transformed into mineral reserves. United States traders are additionally cautioned to not assume that every one or any a part of an inferred mineral useful resource exists, or is economically or legally mineable.

Denison Announces Completion of Wheeler River EIS Conformity Review and Commencement of Technical Review (CNW Group/Denison Mines Corp.)

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SOURCE Denison Mines Corp.

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