Mr. Leigh Curyer reports

NEXGEN ANNOUNCES VOTING RESULTS FROM ITS 2022 ANNUAL MEETING OF SHAREHOLDERS

NexGen Energy Ltd. has released the voting results from its annual and special meeting of shareholders held on June 23, 2022.

Shareholders voted in favour of all matters of business before the meeting. Each of those matters is set out in detail in the management information circular published in connection with the meeting, which is available on NexGen Energy's website.

A total of 307,271,016 common shares, representing approximately 64.10 per cent of the company's outstanding common shares, were voted in person and by proxy at the meeting. Shareholders voted in favour of: (a) reappointing KPMG LLP as auditor of the company (99.92 per cent in favour); and (b) setting the number of directors at nine (99.92 per cent in favour).

Shareholders also voted on the following matters at the meeting.

Election of directors

The nominees listed in the management information circular were elected as directors of the company until the next annual meeting of shareholders or until their successors are elected or appointed, with the voting results being as shown in an attached table.

Continuation of the company's stock option plan

The continuation of the company's existing stock option plan, providing for the issuance of stock options in respect of a maximum number of common shares equal to 20 per cent of the issued and outstanding common shares of the company, was approved, with the voting results being as shown in an attached table.

Votes for      % for   Votes against   % against

190,219,069   65.94%      98,246,967      34.06%  

About NexGen Energy Ltd.

NexGen is a British Columbia corporation focused on the development of the Rook I project located in the southwestern Athabasca basin in Saskatchewan, Canada, into production. The Rook I project is supported by a National Instrument 43-101 compliant feasibility study, which outlines elite environmental performance as well as industry-leading economics. Rook I hosts the Arrow deposit, which hosts measured mineral resources of 209.6 million pounds of U3O8 (triuranium octoxide) contained in 2.18 million tonnes grading 4.35 per cent U3O8, indicated mineral resources of 47.1 million pounds of U3O8 contained in 1.57 million tonnes grading 1.36 per cent U3O8, and inferred mineral resources of 80.7 million pounds of U3O8 contained in 4.4 million tonnes grading 0.83 per cent U3O8.

NexGen has a highly experienced team of uranium industry professionals with a successful record in the discovery of uranium deposits and in developing projects through discovery to production. The company is the recipient of the 2018 PDAC Bill Dennis Award for Canadian mineral discovery and the 2019 PDAC Environmental and Social Responsibility Award.

Technical disclosure

All technical information in this news release has been reviewed and approved by Anthony (Tony) George, PEng, NexGen's chief project officer, a qualified person under NI 43-101.

A technical report in respect of the feasibility study is filed on SEDAR and EDGAR and is available for review on NexGen Energy's website.

We seek Safe Harbor.