NXE 40-F
NexGen Energy Ltd. (NXE)
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Not Applicable (I.R.S. Employer Identification Number (if Applicable)) |
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| (a) | Annual Information Form for the fiscal year ended December 31, 2025; |
| (b) | Management’s Discussion and Analysis for the fiscal year ended December 31, 2025; and |
| (c) | Audited Consolidated Financial Statements for the fiscal years ended December 31, 2025 and 2024. The Company’s Audited Consolidated Financial Statements included in this Annual Report have been prepared in accordance with International Financial Reporting Standards, as issued by the International Accounting Standards Board. Therefore, they are not comparable in all respects to financial statements of United States companies that are prepared in accordance with United States generally accepted accounting principles. |
RESOURCE AND RESERVES ESTIMATES
Unless otherwise indicated, all resource and reserve estimates included in the documents incorporated by reference into this Annual Report have been prepared in accordance with Canadian National Instrument 43-101 (“NI 43-101”) and the Canadian Institute of Mining and Metallurgy Classification System. Canadian standards, including NI 43-101, differ significantly from the requirements of the United States Securities and Exchange Commission (the “SEC” or the “Commission”), and resource information contained in the documents incorporated by reference into this Annual Report may not be comparable to similar information disclosed by U.S. companies. Accordingly, information concerning mineral deposits in this Annual Report may not be comparable with information made public by companies that report in accordance with United States standards.
ADDITIONAL DISCLOSURE
Certifications and Disclosure Regarding Controls and Procedures.
| (a) | Certifications. See Exhibits 99.4, 99.5, 99.6 and 99.7 to this Annual Report on Form 40-F. |
| (b) | Disclosure Controls and Procedures. As of the end of NexGen’s fiscal year ended December 31, 2025, an evaluation of the effectiveness of NexGen’s “disclosure controls and procedures” (as such term is defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) was carried out by NexGen’s management, with the participation of its principal executive officer and principal financial officer. Based upon that evaluation, NexGen’s principal executive officer and principal financial officer have concluded that as of the end of that fiscal year, NexGen’s disclosure controls and procedures are effective to ensure that information required to be disclosed by NexGen in reports that it files or submits under the Exchange Act is (i) recorded, processed, summarized and reported within the time periods specified in the Commission rules and forms and (ii) accumulated and communicated to NexGen’s management, including its principal executive officer and principal financial officers, to allow timely decisions regarding required disclosure. |
It should be noted that while NexGen’s principal executive officer and principal financial officer believe that NexGen’s disclosure controls and procedures provide a reasonable level of assurance that they are effective, they do not expect that NexGen’s disclosure controls and procedures or internal control over financial reporting will prevent all errors or fraud. A control system, no matter how well conceived or operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met.
| (c) | Management’s Annual Report on Internal Control Over Financial Reporting. For management’s report on internal control over financial reporting, see “Disclosure Controls and Internal Control Over Financial Reporting – Management’s Report on Internal Control Over Financial Reporting” in NexGen’s Management Discussion and Analysis for the year ended December 31, 2025 attached as Exhibit 99.2 to this Annual Report on Form 40-F and incorporated by reference herein. |
| (d) | Attestation Report of the Registered Public Accounting Firm. The required disclosure is included in the Report of Independent Registered Public Accounting Firm on NexGen’s internal control over financial reporting that accompanies NexGen’s Audited Consolidated Financial Statements for the fiscal years ended December 31, 2025 and 2024, filed as Exhibit 99.3 to this Annual Report on Form 40-F. |
| (e) | Changes in Internal Control Over Financial Reporting. During the fiscal year ended December 31, 2025, no changes were made in NexGen’s internal control over financial reporting that have materially affected or are reasonably likely to materially affect NexGen’s internal control over financial reporting. |
Notices Pursuant to Regulation BTR
None.
Audit Committee Financial Expert
NexGen’s board of directors has determined that each of Sharon Birkett, Sybil Veenman, and Richard Patricio, members of NexGen’s audit committee, is “independent” as that term is defined in the rules of the NYSE New York Stock Exchange (“NYSE”) and that Ms. Birkett qualifies as an “audit committee financial expert” (as such term is defined in Form 40-F).
Code of Ethics
NexGen has adopted a Code of Ethics that meets the definition of a “code of ethics” set forth in Form 40-F, and that applies to NexGen’s principal executive officer, principal financial officer, principal accounting officer or controller, and persons performing similar functions.
The Code of Ethics is available for viewing on NexGen’s website at http://www.nexgenenergy.ca/corporate/corporate-governance/, and is available in print to any shareholder who requests it. Requests for copies of the Code of Ethics should be made by contacting: Investor Relations by phone at (604) 428-4112 or by e-mail at [email protected].
If any amendment to the Code of Ethics is made, or if any waiver from the provisions thereof is granted, NexGen may elect to disclose the information about such amendment or waiver required by Form 40-F to be disclosed, by posting such disclosure on NexGen’s website, which may be accessed at www.nexgenenergy.ca.
Principal Accountant Fees and Services
The required disclosure is included under the headings “Audit Committee Disclosure – External Auditor Service Fees (By Category)” in NexGen’s Annual Information Form for the fiscal year ended December 31, 2025, filed as Exhibit 99.1 to this Annual Report.
Pre-Approval Policies and Procedures.
| (a) | NexGen’s audit committee pre-approves all audit and non-audit services provided to NexGen by its external auditor, KPMG LLP. Also see “Audit Committee Disclosure – Pre-Approval Policies and Procedures” in NexGen’s Annual Information Form for the fiscal year ended December 31, 2025, filed as Exhibit 99.1 to this Annual Report on Form 40-F. |
| (b) | Of the fees reported in Exhibit 99.1 to this Annual Report on Form 40-F under the heading “Audit Committee Disclosure – External Auditor Service Fees (By Category)”, none of the fees billed by KPMG LLP were approved by NexGen’s audit committee pursuant to the de minimis exception provided by Section (c)(7)(i)(C) of Rule 2-01 of Regulation S-X. |
Off-Balance Sheet Arrangements
NexGen does not have any off-balance sheet arrangements that have or are reasonably likely to have a current or future effect on its financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources that is material to investors.
Cash Requirements
The required disclosure is included under the headings “Liquidity and Capital Resources” and “Contractual Obligations and Commitments” in NexGen’s Management’s Discussion and Analysis for the year ended December 31, 2025, filed as Exhibit 99.2 to this Annual Report on Form 40-F.
Identification of the Audit Committee.
We have a separately designated standing audit committee established in accordance with Section 3(a)(58)(A) of the Exchange Act. The members of the audit committee are Sybil Veenman, Richard Patricio, and Sharon Birkett.
Mine Safety Disclosure
Not applicable.
Disclosure Regarding Foreign Jurisdictions that Prevent Inspections
Not applicable.
Recovery of Erroneously Awarded Compensation
Not applicable.
NYSE Statement of Governance Differences
As a Canadian corporation listed on the NYSE, we are not required to comply with certain NYSE corporate governance standards, so long as we comply with Canadian and TSX corporate governance requirements. In order to claim such an exemption, however, we are required to disclose any significant differences between our corporate governance practices and those required to be followed by U.S. domestic issuers under the NYSE corporate governance standards. We have prepared a summary of the significant ways in which our corporate governance practices differ from those required to be followed by U.S. domestic companies under the NYSE’s corporate governance standards, and that summary is available for viewing on our website at:
http://www.nexgenenergy.ca/corporate/corporate-governance
UNDERTAKING AND CONSENT TO SERVICE OF PROCESS
| A. | Undertaking. |
We undertake to make available, in person or by telephone, representatives to respond to inquiries made by the Commission staff, and to furnish promptly, when requested to do so by the Commission staff, information relating to: the securities registered pursuant to Form 40-F; the securities in relation to which the obligation to file an annual report on Form 40-F arises; or transactions in said securities.
| B. | Consent to Service of Process. |
We have previously filed a Form F-X in connection with the class of securities in relation to which the obligation to file this report arises.
Any change to the name or address of our agent for service shall be communicated promptly to the Commission by an amendment to the Form F-X referencing our file number.
EXHIBITS
| Exhibit |
Description | |
| 97 | ||
| 99.1 | Annual Information Form for the fiscal year ended December 31, 2025 | |
| 99.2 | Management’s Discussion and Analysis for the fiscal year ended December 31, 2025 | |
| 99.3 | Audited Consolidated Financial Statements for the fiscal years ended December 31, 2025 and 2024 | |
| 99.4 | ||
| 99.5 | ||
| 99.6 | Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350 | |
| 99.7 | Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350 | |
| 99.8 | ||
| 99.9 | ||
| 99.10 | ||
| 99.11 | ||
| 99.12 | ||
| 99.13 | ||
| 99.14 | ||
| 101 | Inline Interactive Data File (the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document) | |
| 104 | Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) | |
SIGNATURES
Pursuant to the requirements of the Exchange Act, the registrant certifies that it meets all of the requirements for filing on Form 40-F and has duly caused this annual report to be signed on its behalf by the undersigned, thereunto duly authorized, on March 3, 2026.
| NexGen Energy Ltd. | ||
| By: /s/ Benjamin Salter | ||
| Name: | Benjamin Salter | |
| Title: | Chief Financial Officer | |