Quarterly Actions/Appendix 5B Money Circulation Report

January 31, 2025

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Drilling in 2025 will concentrate on testing extents of the mineralized footprint, additional investigating high-grade zones inside the broad mineralized footprint, and figuring out potential for added mineralization inside the identical goal space (Determine 1). Since discovery and over the 2024 marketing campaign 19 of the 30 preliminary holes intersected mineralization with 10 intersecting intermittent widths of excessive grade of >10,000 cps mineralization. As well as, strategic use of geophysics will cowl potential areas on SW3 to refine a rising stock of drill prepared targets throughout NexGen’s dominant southwest Athabasca Basin land place. Assays for 2024 drilling might be reported as soon as totally acquired in Q1 2025.

Leigh Curyer, Chief Govt Officer, commented: “In early 2024, we launched a daring grass roots exploration program geared toward discovering new uranium assets to deal with the fabric and rising uranium demand / provide hole. NexGen’s disciplined and systematic strategy to evaluating high-priority targets resulted within the discovery and materials progress of mineralization at PCE. This extremely potential space continues to be the central focus of our exploration efforts given the clear potential demonstrated so far at PCE. This can be a strategic focus to contribute sustainable provide to the rising demand for uranium to gasoline the worldwide power wants.”

Jason Craven , Vice President, Exploration, commented: “The dimensions of this yr’s drill program speaks to our pleasure for PCE and a dedication to effectively and completely assess it. Continuity of mineralization, in addition to depth of high-grade mineralization and alteration, point out a system with sturdy potential for continued progress. These are compelling early days at PCE the place we’ll stay solely targeted on unlocking its full potential.”

With over $800M in money and liquid property, NexGen is optimally funded for the continued growth of the Rook I Mission in addition to the PCE exploration program and for basic company functions.

About NexGen

NexGen Power is a Canadian firm targeted on delivering clear power gasoline for the longer term. The Firm’s flagship Rook I Mission is being optimally developed into the most important low-cost producing uranium mine globally, incorporating probably the most elite environmental and social governance requirements. The Rook I Mission is supported by an N.I. 43-101 compliant Feasibility Research, which outlines the elite environmental efficiency and industry-leading economics. NexGen is led by a group of skilled uranium and mining {industry} professionals with experience throughout your complete mining life cycle, together with exploration, financing, venture engineering and development, operations and closure. NexGen is leveraging its confirmed expertise to ship a Mission that leads your complete mining {industry} socially, technically and environmentally. The Mission and potential portfolio in northern Saskatchewan will present generational, long-term financial, environmental, and social advantages for Saskatchewan, Canada , and the world.

NexGen is listed on the Toronto Inventory Alternate, the New York Inventory Alternate underneath the ticker image “NXE,” and on the Australian Securities Alternate underneath the ticker image “NXG,” offering entry to world traders to take part in NexGen’s mission of fixing three main world challenges in decarbonization, power safety and entry to energy. The Firm is headquartered in Vancouver, British Columbia , with its major operations workplace in Saskatoon, Saskatchewan .

www.nexgenenergy.ca

Technical Disclosure*

All technical data on this information launch has been reviewed and authorized by Jason Craven, NexGen’s Vice President, Exploration, a professional particular person underneath Nationwide Instrument 43-101.

Pure gamma radiation in drill core reported on this information launch was measured in counts per second (cps) utilizing a Radiation Options Inc. RS-125 gamma spectrometer. The reader is cautioned that whole depend gamma readings will not be straight or uniformly associated to uranium grades of the rock pattern measured; they need to be used solely as a preliminary indication of the presence of radioactive minerals.

A technical report in respect of the FS is filed on SEDAR+ ( www.sedarplus.com ) and EDGAR ( www.sec.gov/edgar.shtml ) and is on the market for assessment on NexGen Power’s web site ( www.nexgenenergy.ca ).

Cautionary Observe to U.S. Buyers

This information launch contains Mineral Reserves and Mineral Assets classification phrases that adjust to reporting requirements in Canada and the Mineral Reserves and the Mineral Assets estimates are made in accordance with NI 43-101. NI 43-101 is a rule developed by the Canadian Securities Directors that establishes requirements for all public disclosure an issuer makes of scientific and technical data regarding mineral tasks. These requirements differ from the necessities of the Securities and Alternate Fee (“SEC”) set by the SEC’s guidelines which might be relevant to home United States reporting corporations. Consequently, Mineral Reserves and Mineral Assets data included on this information launch is just not similar to related data that will usually be disclosed by home U.S. reporting corporations topic to the reporting and disclosure necessities of the SEC Accordingly, data regarding mineral deposits set forth herein will not be comparable with data made public by corporations that report in accordance with U.S. requirements.

Ahead-Trying Info

The knowledge contained herein comprises “forward-looking statements” inside the that means of relevant United States securities legal guidelines and rules and “forward-looking data” inside the that means of relevant Canadian securities laws. “Ahead-looking data” contains, however is just not restricted to, statements with respect to mineral reserve and mineral useful resource estimates, the 2021 Arrow Deposit, Rook I Mission and estimates of uranium manufacturing, grade and long-term common uranium costs, anticipated results of accomplished drill outcomes on the Rook I Mission, deliberate work packages, completion of additional web site investigations and engineering work to help primary engineering of the venture and anticipated outcomes. Typically, however not all the time, forward-looking data and statements might be recognized by way of phrases equivalent to “plans”, “expects”, “is anticipated”, “price range”, “scheduled”, “estimates”, “forecasts”, “intends”, “anticipates”, or “believes” or the damaging connotation thereof or variations of such phrases and phrases or state that sure actions, occasions or outcomes “could”, “might”, “would”, “may” or “might be taken”, “happen” or “be achieved” or the damaging connotation thereof. Statements regarding “mineral assets” are deemed to be forward-looking data, as they contain the implied evaluation that, based mostly on sure estimates and assumptions, the mineral assets described might be profitably produced sooner or later.

Ahead-looking data and statements are based mostly on the then present expectations, beliefs, assumptions, estimates and forecasts about NexGen’s enterprise and the {industry} and markets wherein it operates. Ahead-looking data and statements are made based mostly upon quite a few assumptions, together with amongst others, that the mineral reserve and assets estimates and the important thing assumptions and parameters on which such estimates are based mostly are as set out on this information launch and the technical report for the property , the outcomes of deliberate exploration actions are as anticipated, the value and market provide of uranium, the price of deliberate exploration actions, that financing might be out there if and when wanted and on affordable phrases, that third get together contractors, gear, provides and governmental and different approvals required to conduct NexGen’s deliberate exploration actions might be out there on affordable phrases and in a well timed method and that basic enterprise and financial circumstances is not going to change in a cloth antagonistic method. Though the assumptions made by the Firm in offering ahead trying data or making ahead trying statements are thought of affordable by administration on the time, there might be no assurance that such assumptions will show to be correct sooner or later.

Ahead-looking data and statements additionally contain identified and unknown dangers and uncertainties and different components, which can trigger precise outcomes, performances and achievements of NexGen to vary materially from any projections of outcomes, performances and achievements of NexGen expressed or implied by such forward-looking data or statements, together with, amongst others, the existence of damaging working money movement and dependence on third get together financing, uncertainty of the supply of further financing, the chance that pending assay outcomes is not going to verify beforehand introduced preliminary outcomes, conclusions of financial valuations, the chance that precise outcomes of exploration actions might be totally different than anticipated, the price of labour, gear or supplies will improve greater than anticipated, that the longer term value of uranium will decline or in any other case not rise to an financial stage, the attraction of alternate sources of power to uranium-produced power, that the Canadian greenback will strengthen towards the U.S. greenback, that mineral assets and reserves are usually not as estimated, that precise prices or precise outcomes of reclamation actions are higher than anticipated, that modifications in venture parameters and plans proceed to be refined and will end in elevated prices, of surprising variations in mineral assets and reserves, grade or restoration charges or different dangers usually related to mining, unanticipated delays in acquiring governmental, regulatory or First Nations approvals, dangers associated to First Nations title and session, reliance upon key administration and different personnel, deficiencies within the Firm’s title to its properties, uninsurable dangers, failure to handle conflicts of curiosity, failure to acquire or keep required permits and licences, dangers associated to modifications in legal guidelines, rules, coverage and public notion, in addition to these components or different dangers as extra totally described in NexGen’s Annual Info Type dated March 6, 2024 filed with the securities commissions of all the provinces of Canada besides Quebec and in NexGen’s 40-F filed with the US Securities and Alternate Fee, which can be found on SEDAR+ at www.sedarplus.com and Edgar at www.sec.gov .

Though the Firm has tried to establish vital components that might trigger precise outcomes to vary materially from these contained within the forward-looking data or statements or implied by forward-looking data or statements, there could also be different components that trigger outcomes to not be as anticipated, estimated or meant. Readers are cautioned to not place undue reliance on forward-looking data or statements because of the inherent uncertainty thereof.

There might be no assurance that forward-looking data and statements will show to be correct, as precise outcomes and future occasions might differ materially from these anticipated, estimated or meant. Accordingly, readers shouldn’t place undue reliance on forward-looking statements or data. The Firm undertakes no obligation to replace or reissue forward-looking data because of new data or occasions besides as required by relevant securities legal guidelines .