Nexgen Energy (NXE) investor relations material

Project progress and construction milestones

• Site construction at the Rook I Project in Saskatchewan is progressing on schedule as of August 2026, with key infrastructure underway.

• Aggregate production has reached 575,000 tonnes, supporting construction of shaft pads, mill terraces, and foundations, ahead of schedule.

• Airstrip construction is complete to 3,000 ft, with expansion to 5,840 ft for jet aircraft landing set for December 2026.

• Accommodation facilities expanded to 770 beds, with a 373-bed extension completed on time and within budget in June 2026.

• Diffuser pipeline and access road installations are progressing on schedule and budget, supporting treated water discharge.

Drilling and exploration activities

• Confirmation drill holes have reached depths of 250 m, with a pilot drill hole extending to 950 m for geological testing.

• Core from the shaft pilot test hole provides detailed ground condition data to the millimetre.

• A 42,000 m exploration drilling program is underway at Patterson Corridor East, with expanded core storage facilities.

Site infrastructure and future development

• Construction facilities pad preparation is underway for a future batch plant and team offices, with initial site work in progress.

• Future mill terrace and batch plant locations are being prepared as part of ongoing site development.

• Core shack and yard expansions are supporting increased exploration and storage needs.