Nexgen Energy (NXE) Registration Filing summary

Company overview and business model

• Focuses on uranium exploration and development, with principal asset being the 100% owned Rook I Project in Saskatchewan, Canada.

• Operates with a highly experienced team and holds a portfolio of prospective uranium properties in the Athabasca Basin.

• Common shares are listed on TSX, NYSE, and as CDIs on ASX.

Financial performance and metrics

• Financial statements are prepared in accordance with IFRS and may not be directly comparable to U.S. GAAP.

• As of June 30, 2025, cash on hand is disclosed, with ongoing negative cash flow from operations until commercial production is achieved.

• No material change in consolidated capitalization since June 30, 2025, other than the expected completion of the offerings.

Use of proceeds and capital allocation

• Net proceeds from the offerings will fund engineering, pre-production capital costs for Rook I, and general corporate purposes.

• Allocation includes long-lead procurement and major construction, subject to regulatory licensing and final investment decision.

• Proceeds may also be used to fund negative cash flow from operations until profitable production is achieved.