6-K - NXE - Equibles

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

___________________

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of Janaury2023

Commission File Number 001-38072

___________________

NexGen Energy Ltd.

(Translation of registrant'sname into English)

Suite 3150, 1021 - West Hastings Street

Vancouver, B.C., Canada V6E 0C3

(Address of principalexecutive 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 BYREFERENCE

Exhibits 99.1 to this Report on Form 6-K are hereby incorporated by reference as Exhibits to the Registration Statement on Form F-10 of NexGen Energy Ltd. (File No. 333-253512).

EXHIBIT INDEX

Exhibit	Description
99.1	News Release dated January<br> 31, 2023 - NexGen Announces Appointment of Ivan Mullany to its Board of Directors

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, on January 31, 2023.

NEXGEN ENERGY LTD.
By:	/s/<br> Harpreet Dhaliwal
Name:	Harpreet<br> Dhaliwal
Title:	Chief<br> Financial Officer

Exhibit 99.1

NexGen Announces Appointment of Ivan Mullany to its Board of Directors

VANCOUVER, BC, Jan. 31, 2023 /CNW/ - NexGen EnergyLtd. ("NexGen" or the "Company") (TSX: NXE) (NYSE: NXE) (ASX: NXG) is pleased to announce the appointment of Ivan Mullany, to the Company's Board of Directors.

Leigh Curyer, Chief Executive Officer, commented: "On behalf NexGen Energy's Executive and Board of Directors, we are very pleased to welcome Mr. Ivan Mullany. Mr. Mullany has extensive knowledge and experience in the successful execution of global mining project construction and operational excellence. Mr. Mullany is joining an experienced team dedicated to the responsible development of the Rook I Project that will create significant generational benefits to Saskatchewan and Canada, while playing a leading role globally in the delivery of clean energy fuel. Mr Mullany's skills and experience are an excellent complement to the Board and timely, as Rook I advances into Detailed Engineering in 2023.

Ivan Mullany

Mr. Mullany, BSc, Majoring in Extractive Metallurgy, CIMM, FAusIMM, has over 35 years in mining project management with broad international experiences. Most recently, with Newmont Corporation and its predecessor Goldcorp Inc. on the Senior Leadership Team, he led numerous major projects, collectively in excess of $18 Billion, during the engineering study, construction and execution stages.

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 standards in environmental and social governance. The Rook I Project is supported by a NI 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 CuryerChief Executive OfficerNexGen Energy Ltd.+1 604 428 4112

lcuryer@nexgenenergy.ca

www.nexgenenergy.ca

Travis McPhersonChief Commercial OfficerNexGen Energy Ltd.+1 604 428 4112

tmcpherson@nexgenenergy.ca

http://www.nexgenenergy.ca

Forward-Looking Information

*The information contained herein contains "forward-lookingstatements" 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 limitedto, statements with respect to mineral reserve and mineral resource estimates, the 2021 Arrow Deposit, Rook I Project and estimates ofuranium 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 andexpected 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 wordsand 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 arebased on the then current expectations, beliefs, assumptions, estimates and forecasts about NexGen's business and the industry and marketsin which it operates. Forward-looking information and statements are made based upon numerous assumptions, including among others, thatthe mineral reserve and resources estimates and the key assumptions and parameters on which such estimates are based are as set out inthis news release and the technical report for the property , the results of planned exploration activities are as anticipated, the priceand market supply of uranium, the cost of planned exploration activities, that financing will be available if and when needed and on reasonableterms, that third party contractors, equipment, supplies and governmental and other approvals required to conduct NexGen's planned explorationactivities will be available on reasonable terms and in a timely manner and that general business and economic conditions will not changein a material adverse manner. Although the assumptions made by the Company in providing forward looking information or making forwardlooking statements are considered reasonable by management at the time, there can be no assurance that such assumptions will prove tobe accurate in the future.

Forward-looking information and statements alsoinvolve known and unknown risks and uncertainties and other factors, which may cause actual results, performances and achievements ofNexGen to differ materially from any projections of results, performances and achievements of NexGen expressed or implied by such forward-lookinginformation 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 preliminaryresults, 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 otherwisenot rise to an economic level, the appeal of alternate sources of energy to uranium-produced energy, that the Canadian dollar will strengthenagainst the U.S. dollar, that mineral resources and reserves are not as estimated, that actual costs or actual results of reclamationactivities are greater than expected, that changes in project parameters and plans continue to be refined and may result in increasedcosts, 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 tomanage 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 February 25, 2022 filed with the securities commissions of all of the provinces of Canada except Quebec and in NexGen's40-F filed with the United States Securities and Exchange Commission, which are available on SEDAR at www.sedar.com and Edgarat www.sec.gov .

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

There can be no assurance that forward-lookinginformation 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 Companyundertakes no obligation to update or reissue forward-looking information as a result of new information or events except as requiredby applicable securities laws.

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SOURCE NexGen Energy Ltd.

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CO: NexGen Energy Ltd.

CNW 06:30e 31-JAN-23