Exhibit 99.2

ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERS

NOTICE AND ACCESS NOTIFICATION TO SHAREHOLDERS

NexGen Energy Ltd. ("NexGen") has chosen to use the notice and access model for delivery of meeting materials to its shareholders. Under notice and access, shareholders still receive a proxy or voting instruction form enabling them to vote at the shareholders' meeting. However, instead of receiving a paper copy of the Information Circular, shareholders receive this notice explaining how to access such materials electronically.

MEETING DATE AND LOCATION

Shareholders will also be able to access but not participate in the formal aspect of the Meeting by webcast or teleconference using the details below:

CONFERENCE DIAL-IN:

To instantly join the conference call by phone, please use the following URL to easily register yourself and be connected into the conference call automatically or dial direct.

VOTING MATTERS

Election of Directors: To set the number of directors at ten members and to elect the ten (10) directors of the Company for the ensuing year. See the section entitled “Election of Directors” in the Circular.

Re-appointment of Auditors: Re-appoint KPMG LLP as independent auditor of the Company for the 2023 financial year and to authorize the directors to fix their remuneration. See the section entitled “Appointment of Auditors” in the Circular.

Continuation of Shareholder Rights Plan: Approve the amendment, restatement and continuation of the Company’s existing shareholder rights plan for an additional three-year-term. See the section entitled “Continuation of the Shareholder Rights Plan” in the Circular.

SHAREHOLDERS ARE REMINDED TO VIEW THE MEETING MATERIALS PRIOR TO VOTING.

WEBSITES WHERE MEETING MATERIALS ARE POSTED

The Circular can be viewed online under the Company’s profile at www.sedar.com or on the Company’s website at www.nexgenenergy.ca.

HOW TO OBTAIN PAPER COPIES OF THE MEETING MATERIALS

Shareholders may request that a paper copy of the meeting materials be sent to them by postal delivery at no cost to them. Requests may be made up to one year from the date the Information Circular was filed on SEDAR by:

If you request materials before the Meeting, the Information Circular will be sent to you at no charge within 3 business days of receiving your request. To receive the Information Circular before the voting deadline for the Meeting of 2:00 p.m. (Vancouver time) on June 13, 2023, your request must be received no later than Monday June 5, 2023. Please note that you will not receive another form of proxy or voting instruction form, so please keep the one you received with this notice.

If you request materials on the date of the Meeting or in the year following the filing of the Information Circular, it will be sent to you within 10 calendar days of receiving your request. Following the Meeting, the documents will remain available at the websites listed above for a period of at least one year.

NexGen has determined that only those shareholders with existing instructions on their account to receive paper material will receive a paper copy of the Information Circular with this notification.

VOTING

There are several convenient ways to vote your shares including online and via telephone. You will find attached to this notice a form of proxy or a voting instruction form containing detailed instructions on how to vote your shares. If you wish to attend and vote at the Meeting, please follow the instructions found in the enclosed form of proxy or voting instruction form. You are reminded to view the Meeting materials prior to voting.

Please submit your vote well in advance of the proxy deposit deadline of

2:00 p.m. (Vancouver time) on Tuesday, June 13, 2023.

CDI Holders must submit their CDI voting instruction form by no later than
9.00am on Monday, June 12, 2023 (Australian Western Standard Time).

BOARD RECOMMENDATION

The Board of Directors of NexGen unanimously recommends that Shareholders VOTE FOR all of the proposed resolutions.