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KPMG LLP
777 Dunsmuir Street
Vancouver, BC V7Y 1K3
Canada
Tel 604-691-3000
Fax 604-691-3031
www.kpmg.ca
Consent of Independent Registered Public Accounting Firm
The Board of Directors
NexGen Energy Ltd.
We consent to the use of our report dated March 3, 2025, on the consolidated financial statements of NexGen Energy Ltd., which comprise the consolidated statements of financial position as at December 31, 2024 and December 31, 2023, the related consolidated statements net income (loss) and comprehensive income (loss), changes in equity and cash flows for each of the years in the two-year period ended December 31, 2024, and the related notes, and our report dated March 3, 2025 on the effectiveness of internal control over financial reporting as of December 31, 2024, which are included in the Annual Report on Form 40-F dated March 3, 2025 of NexGen Energy Ltd.
We also consent to the incorporation by reference of such reports in the Registration Statement (No. 333-275839) on Form F-10/A of the Entity.
//s// KPMG LLP
Chartered Professional Accountants
Vancouver, Canada
March 3, 2025
KPMG LLP, an Ontario limited liability partnership and member firm of the KPMG global
organization of independent member firms affiliated with KPMG International Limited, a private
English company limited by guarantee. KPMG Canada provides services to KPMG LLP.