Instrument Name Nexgen Energy Ltd Instrument ExchangeTSX: Instrument SymbolNXE-T

/PRNewswire/ - NexGen Energy Ltd. ("NexGen" or the "Company") (TSX: NXE) (NYSE: NXE) (ASX: NXG) is pleased to announce commencement of field programs focused on detailed geotechnical site confirmation studies on the Project and regional exploration drilling at the 100% owned, Rook I property (the "Property"), in the Basin, .

The Rook I Project is located within the traditional territory of BRDN and BNDN. Both the IBA and MBA define the environmental, cultural, economic, employment and other benefits to be provided to the BRDN and BNDN by NexGen in respect of the Project and confirm the consent and support of both BRDN and BNDN for the Project throughout its complete lifecycle, including reclamation. The Agreements were negotiated and developed out of the Study Agreements signed in 2019. The Study Agreements formalized engagement with the communities to identify potential impacts to Aboriginal and treaty rights and socio-economic interests, and identify potential avoidance and accommodation measures in relation to the Project whilst acknowledging the duty to consult remains with the Crown. Note, the Agreements do not abrogate, extinguish, or constitute the abandonment of any existing Aboriginal, inherent, or treaty rights of the BRDN and BNDN recognized and affirmed pursuant to Section 35 of the , 1982. Importantly, the Agreements are entered into in recognition of the Aboriginal and Treaty Rights of the BRDN and the BNDN.

/PRNewswire/ -  ("" or the "") (TSX: NXE) (NYSE: NXE) is pleased to announce that it has filed a prospectus with the Australian Securities and Investments Commission ("ASIC") in connection with NexGen's application for admission to the Australian Securities Exchange ("ASX") as a Foreign Exempt Listing and quotation of its shares as Chess Depositary Instruments ("CDIs") on under the code "".