NexGen Energy (NYSE: NXE) moves Rook I to final CNSC hearing step

Rhea-AI Filing Summary

NexGen Energy Ltd. filed a Form 6-K highlighting its participation in Part 2 of the Canadian Nuclear Safety Commission Commission Hearing for Federal approval of its 100%-owned Rook I uranium project. Part 2 runs from February 9–12, 2026 and is described as the final step in the Federal regulatory approval process before a CNSC decision.

The four identified and verified potentially impacted Indigenous Nations in the Local Priority Area are speaking at the hearing and are described as providing unequivocal support for approval of the project and NexGen’s engagement approach. NexGen is presenting a video focused on its community programs and engagement principles, emphasizing education, training, mentorship, and health and wellness for local and Indigenous communities.

Insights

Mining & regulatory risk analyst

CNSC Part 2 hearing advances Rook I toward a federal approval decision.

NexGen Energy is now in Part 2 of the Canadian Nuclear Safety Commission hearing for Federal approval of the 100%-owned Rook I uranium project. The company states this phase is the final step in the Federal regulatory approval process before a CNSC decision.

The proceedings from February 9–12, 2026 allow intervenors and the public to present views on project advancement. The disclosure notes that four identified and verified potentially impacted Indigenous Nations in the Local Priority Area are speaking and are described as providing unequivocal support for approval of the project.

While no approval outcome or timing beyond the stated hearing dates is provided, this stage marks a key procedural milestone for the flagship asset. Subsequent disclosures from NexGen or the CNSC will be needed to show whether the hearing leads to an approval decision and under what conditions.

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of February 2026

Commission File Number: 001-38072

NexGen Energy Ltd.
(Translation of registrant's name into English)

Suite 3150 - 1021 West Hastings Street,
Vancouver, BC, V6E 0C3
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☐      Form 40-F ☒

INCORPORATION BY REFERENCE

Exhibit 99.1 to this Report on Form 6-K is hereby incorporated by reference as Exhibits to the Registration Statement on Form F-10 of NexGen Energy Ltd. (File No. 333.266575).

SUBMITTED HEREWITH

Exhibits

Exhibit		Description
99.1		News Release dated February 9, 2026

SIGNATURES

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.

	NEXGEN ENERGY LTD.
	(Registrant)
Date: February 9, 2026	By:	/s/ Benjamin Salter
		Benjamin Salter
	Title:	Chief Financial Officer

Canadian Nuclear Safety Commission ("CNSC") Part 2 Commission Hearing for the Approval of the Rook I Project

• Link to the Part 2 Commission Hearing that commenced at 9:00 am CST February 9, 2026: here

• NexGen's Part 2 presentation video now available on NexGen's homepage: here
  

• This Hearing represents the final step in the Federal regulatory process prior to a CNSC approval decision

Vancouver, BC, February 9, 2026 - NexGen Energy Ltd. ("NexGen" or the "Company") (TSX: NXE) (NYSE: NXE) (ASX: NXG) is pleased to be participating this week in Part 2 of the Canadian Nuclear Safety Commission ("CNSC") Commission Hearing for the Federal approval of the Company's 100%-owned Rook I Project (the "Project"). The Hearing follows Part 1 that was successfully completed on November 19, 2025. Part 2 proceedings are scheduled from February 9 to 12 and will provide involved parties and members of the public an opportunity to be heard before the Commission to make their views known regarding the advancement of the Project.  The four identified and verified potentially impacted Indigenous Nations in the Local Priority Area ("LPA") are all speaking at the proceedings about the industry leading approach NexGen has taken and the unequivocal support they have for the approval of the Project.

This exciting milestone represents the final step in the Federal regulatory approval process for the Rook I Project. It concludes more than 12 years of disciplined, comprehensive environmental and social studies, and highlights NexGen's transparent and genuine engagement approach with local and Indigenous communities that has delivered measurable, positive and generational benefits since 2013.

NexGen is presenting a video during the Hearing that showcases the Company's guiding engagement principles and includes perspectives from Local Priority Area ("LPA") Indigenous and community leaders. The video also highlights NexGen's impactful community programs focused on education, training, mentorship, and health and wellness, demonstrating how together with LPA communities, a new standard is being set for responsible resource development-one founded on trust, respect and partnership to deliver enduring social, economic, and environmental benefits for local communities throughout all phases of the mine life, and beyond.

The video can be found on NexGen's homepage: here

About NexGen

NexGen Energy is a Canadian company focused on delivering clean energy fuel for the future.  The Company's flagship Rook I Project is being optimally developed into the largest low-cost producing uranium mine globally, incorporating the most elite environmental and social governance standards.  The Rook I Project is supported by an N.I. 43-101 compliant Feasibility Study, which outlines the elite environmental performance and industry-leading economics. NexGen is led by a team of experienced uranium and mining industry professionals with expertise across the entire mining life cycle, including exploration, financing, project engineering and construction, operations and closure.  NexGen is leveraging its proven experience to deliver a Project that leads the entire mining industry socially, technically and environmentally.  The Project and prospective portfolio in northern Saskatchewan will provide generational, long-term economic, environmental, and social benefits for Saskatchewan, Canada, and the world.             

NexGen is listed on the Toronto Stock Exchange, the New York Stock Exchange under the ticker symbol "NXE," and on the Australian Securities Exchange under the ticker symbol "NXG," providing access to global investors to participate in NexGen's mission of solving three major global challenges in decarbonization, energy security and access to power.  The Company is headquartered in Vancouver, British Columbia, with its primary operations office in Saskatoon, Saskatchewan.

Contact Information

Leigh Curyer

Chief Executive Officer
NexGen Energy Ltd.

+1 604 428 4112
lcuryer@nxe-energy.ca

www.nexgenenergy.ca

Travis McPherson

Chief Commercial Officer

NexGen Energy Ltd.

+1 604 428 4112

tmcpherson@nxe-energy.ca

www.nexgenenergy.ca

Monica Kras
Vice President, Corporate Development

NexGen Energy Ltd.

+44 7307 191933

mkras@nxe-energy.ca
www.nexgenenergy.ca

Cautionary Note to U.S. Investors

This news release includes Mineral Reserves and Mineral Resources classification terms that comply with reporting standards in Canada and the Mineral Reserves, and the Mineral Resources estimates are made in accordance with NI 43-101. NI 43-101 is a rule developed by the Canadian Securities Administrators that establishes standards for all public disclosure an issuer makes of scientific and technical information concerning mineral projects. These standards differ from the requirements of the Securities and Exchange Commission ("SEC") set by the SEC's rules that are applicable to domestic United States reporting companies. Consequently, Mineral Reserves and Mineral Resources information included in this news release is not comparable to similar information that would generally be disclosed by domestic U.S. reporting companies subject to the reporting and disclosure requirements of the SEC Accordingly, information concerning mineral deposits set forth herein may not be comparable with information made public by companies that report in accordance with U.S. standards.

Forward-Looking Information

The information contained herein contains "forward-looking statements" within the meaning of applicable United States securities laws and regulations and "forward-looking information" within the meaning of applicable Canadian securities legislation. "Forward-looking information" includes, but is not limited to, statements with respect to mineral reserve and mineral resource estimates, the 2021 Arrow Deposit, Rook I Project and estimates of uranium production, grade and long-term average uranium prices, anticipated effects of completed drill results on the Rook I Project, planned work programs, completion of further site investigations and engineering work to support basic engineering of the project and expected outcomes. Generally, but not always, forward-looking information and statements can be identified by the use of words such as "plans", "expects", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates", or "believes" or the negative connotation thereof or variations of such words and phrases or state that certain actions, events or results "may", "could", "would", "might" or "will be taken", "occur" or "be achieved" or the negative connotation thereof. Statements relating to "mineral resources" are deemed to be forward-looking information, as they involve the implied assessment that, based on certain estimates and assumptions, the mineral resources described can be profitably produced in the future.

Forward-looking information and statements are based on the then current expectations, beliefs, assumptions, estimates and forecasts about NexGen's business and the industry and markets in which it operates. Forward-looking information and statements are made based upon numerous assumptions, including among others, that the mineral reserve and resources estimates and the key assumptions and parameters on which such estimates are based are as set out in this news release and the technical report for the property , the results of planned exploration activities are as anticipated, the price and market supply of uranium, the cost of planned exploration activities, that financing will be available if and when needed and on reasonable terms, that third party contractors, equipment, supplies and governmental and other approvals required to conduct NexGen's planned exploration activities will be available on reasonable terms and in a timely manner and that general business and economic conditions will not change in a material adverse manner. Although the assumptions made by the Company in providing forward looking information or making forward looking statements are considered reasonable by management at the time, there can be no assurance that such assumptions will prove to be accurate in the future.

Forward-looking information and statements also involve known and unknown risks and uncertainties and other factors, which may cause actual results, performances and achievements of NexGen to differ materially from any projections of results, performances and achievements of NexGen expressed or implied by such forward-looking information or statements, including, among others, the existence of negative operating cash flow and dependence on third party financing, uncertainty of the availability of additional financing, the risk that pending assay results will not confirm previously announced preliminary results, conclusions of economic valuations, the risk that actual results of exploration activities will be different than anticipated, the cost of labour, equipment or materials will increase more than expected, that the future price of uranium will decline or otherwise not rise to an economic level, the appeal of alternate sources of energy to uranium-produced energy, that the Canadian dollar will strengthen against the U.S. dollar, that mineral resources and reserves are not as estimated, that actual costs or actual results of reclamation activities are greater than expected, that changes in project parameters and plans continue to be refined and may result in increased costs, of unexpected variations in mineral resources and reserves, grade or recovery rates or other risks generally associated with mining, unanticipated delays in obtaining governmental, regulatory or First Nations approvals, risks related to First Nations title and consultation, reliance upon key management and other personnel, deficiencies in the Company's title to its properties, uninsurable risks, failure to manage conflicts of interest, failure to obtain or maintain required permits and licences, risks related to changes in laws, regulations, policy and public perception, as well as those factors or other risks as more fully described in NexGen's Annual Information Form dated March 6, 2024 filed with the securities commissions of all of the provinces of Canada except Quebec and in NexGen's 40-F filed with the United States Securities and Exchange Commission, which are available on SEDAR at sedarplus.ca and Edgar at www.sec.gov .

Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in the forward-looking information or statements or implied by forward-looking information or statements, there may be other factors that cause results not to be as anticipated, estimated or intended. Readers are cautioned not to place undue reliance on forward-looking information or statements due to the inherent uncertainty thereof.

There can be no assurance that forward-looking information and statements will prove to be accurate, as actual results and future events could differ materially from those anticipated, estimated or intended. Accordingly, readers should not place undue reliance on forward-looking statements or information. The Company undertakes no obligation to update or reissue forward-looking information as a result of new information or events except as required by applicable securities laws.

FAQ

What is NexGen Energy (NXE) reporting in this Form 6-K?

NexGen Energy is reporting its participation in Part 2 of the Canadian Nuclear Safety Commission hearing for Federal approval of its 100%-owned Rook I uranium project, described as the final step in the Federal regulatory process before a CNSC decision.

What is significant about the CNSC Part 2 hearing for NexGen Energy (NXE)?

Part 2 of the CNSC hearing is portrayed as the final step in the Federal regulatory approval process for NexGen’s Rook I Project, with sessions from February 9–12, 2026, before the Commission makes an approval decision on the project.

How are Indigenous Nations involved in NexGen Energy’s Rook I CNSC hearing?

The filing states that four identified and verified potentially impacted Indigenous Nations in the Local Priority Area are speaking during the Part 2 hearing, highlighting NexGen’s engagement approach and what is described as their unequivocal support for approval of the Rook I Project.

What materials has NexGen Energy released related to the Rook I CNSC hearing?

NexGen has posted a Part 2 presentation video on its homepage, showcasing engagement principles and perspectives from Local Priority Area Indigenous and community leaders, and highlighting community programs in education, training, mentorship, and health and wellness linked to the Rook I Project.

What is NexGen Energy’s Rook I Project as described in this filing?

Rook I is described as NexGen Energy’s flagship, 100%-owned uranium project in northern Saskatchewan, supported by an NI 43-101 compliant Feasibility Study and being optimally developed into a large low-cost producing mine incorporating high environmental and social governance standards.

On which exchanges are NexGen Energy shares listed and under what tickers?

NexGen Energy shares are listed on the Toronto Stock Exchange and New York Stock Exchange under the symbol NXE, and on the Australian Securities Exchange under the symbol NXG, offering access to global investors interested in the company’s uranium-focused projects.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 15.9 KB