NexGen Announces 2026 Investor Day

NexGen Energy Ltd. ("NexGen" or the "Company") is pleased to announce that it will host its 2026 Investor Day on: Date: Tuesday, 1 September 2026 Time: 8.00 A.M. Eastern Time, 10.00 P.M Australian Eastern Standard Time, same day. The pre-recorded virtual event will feature presentations from NexGen's senior leadership and technical team, providing a detailed overview of the construction plan and activities at the Company's 100% owned Rook I Project. NexGen's Rook I Project is under construction and will be one of the world's most strategic critical minerals projects, that will deliver sustainable supply into a structurally undersupplied global uranium market amid growing demand for clean, reliable baseload nuclear energy. About NexGen NexGen Energy is a Canadian company focused on delivering clean energy fuel for the future. The Company's flagship Rook I Project is being optimally developed into the largest low cost producing uranium mine globally, incorporating the most elite standards in environmental and social governance. The Rook I Project is supported by a NI 43-101 compliant Feasibility Study which outlines the elite environmental performance and industry leading economics. NexGen is led by a team of experienced uranium and mining industry professionals with expertise across the entire mining life cycle, including exploration, financing, project engineering and construction, operations and closure. NexGen is leveraging its proven experience to deliver a Project that leads the entire mining industry socially, technically and environmentally. The Project and prospective portfolio in northern Saskatchewan will provide generational long-term economic, environmental, and social benefits for Saskatchewan, Canada, and the world. NexGen is listed on the Toronto Stock Exchange, the New York Stock Exchange under the ticker symbol "NXE" and on the Australian Securities Exchange under the ticker symbol "NXG" providing access to global investors to participate in NexGen's mission of solving three major global challenges in decarbonization, energy security and access to power. The Company is headquartered in Vancouver, British Columbia, with its primary operations office in Saskatoon, Saskatchewan.