Boss Energy Limited · ASX:BOE
Boss Energy — Q1 FY27 Earnings Presentation
15 slides from Boss Energy's earnings presentation, Oct 28, 2026
Slide 1: September 2026 Quarterly Report Presentation
rsonal use only 28 October 2026 September 2026 Quarterly Report Presentation ASX: BOE A global multi-mine Uranium producer. bossenergy.com OTCQX: BQSSF Boss Energy. A global multi-mine Uranium producer September 2026 Quarterly Report Presentation 1
Slide 2: Solid start to FY27 as Boss advances the transition and growth
Solid start to FY27 as Boss advances the transition and growth Q1 FY27 Highlights rsonal use only Honeymoon Production Q1 FY27 Costs FY27 guidance Other financial highlights 359 klbs 337 klbs A$47/lb A$79/lb C1 A$51–56/lb A$13M A$117/lb (US$81.8/lb) U₃O₈ drummed IX production C1 cost AISC Capital sp
Slide 3: Record flow supported production
Record flow supported production Honeymoon Production rsonal use only Honeymoon quarterly production, U₃O₈ (klbs) 456 Quarterly operating performance 406 • Solid start to FY27, in line with expectations 386 376 • Record flow offset the expected tenor decline in maturing wellfields 362 371 359 337 •
Slide 4: Early EKT1 flushing supports confidence in the wide-spaced design
Early EKT1 flushing supports confidence in the wide-spaced design Honeymoon Wellfield Transition rsonal use only Wide-spaced transition under way • Flushing commenced at EKT1, our first wide-spaced wellfield. • Early flushing performance supports confidence in the design. Some transition wellfields
Slide 5: Water treatment upgrades remain on track for the transition
Water treatment upgrades remain on track for the transition Water Treatment Plant Upgrades rsonal use only Stage 1 and Stage 2 Delivery remains on track Stage 1: completion targeted Q4 FY27 • Specialist review of the existing plant completed • Focus on cleaning, softener settling and hydraulic const
Slide 6: Costs remain on track for FY27 guidance as the transition progresses
Costs remain on track for FY27 guidance as the transition progresses Cost Performance and FY27 Guidance rsonal use only Key metric Unit Q1 FY27 Q4 FY26 FY27 guidance Full-year costs remain on track C1 cash cost A$/lb 47 45 51–56 • Q1 performance was consistent with expectations. AISC A$/lb 79 70 83–
Slide 7: A debt-free balance sheet supports the transition and uranium price upside
A debt-free balance sheet supports the transition and uranium price upside Sales and Financial Position rsonal use only Sales and inventory Unit Q1 FY27 Q4 FY26 Exposure to improving uranium prices Sales revenue US$M 24.6 24.4 • Boss remains strategically under-contracted. Sales revenue A$M 35.2 34.
Slide 8: Existing infrastructure provides the foundation for regional growth
Existing infrastructure provides the foundation for regional growth One plant, three deposits rsonal use only Resin trucked 13 km twin ~75 km trunkline 33.1Mlbs Gould's Dam 20.8Mlbs Honeymoon hub 12.0Mlbs Jason's Deposit Central facility site plan; resin loaded on site Plant, utilities and workforce
Slide 9: Approvals and drilling progress across the regional hub
Approvals and drilling progress across the regional hub Hub development programme rsonal use only Project Progress and next steps Honeymoon • EPBC referral submitted. Decision expected Q2 FY27. Mine • Mining Lease Application progressing, incorporating referral requirements. Extension • Referral-sta
Slide 10: Permitting delays constrained production and paused operations
Permitting delays constrained production and paused operations Alta Mesa JV: Boss 30% rsonal use only Alta Mesa quarterly production (100%), U₃O₈ (klbs) Quarterly operating performance 206 • 10 klbs drummed in Q1 FY27 compared with 45 klbs in Q4 FY26, on a 100% basis. 143 Boss product receipts 97 •
Slide 11: Focussed on consistent delivery to expectations
Focussed on consistent delivery to expectations FY27 Outlook rsonal use only Debt-free funding Guidance unchanged Uranium price upside Proving the design Lower-cost growth A$194.9M in cash, 1.25–1.30 Mlbs Under-contracted First EKT1 leaching Regional hub strategy liquid assets and C1 A$51–56/lb posi
Slide 12: Appendix - Gould's Dam and Jason's Deposit Mineral Resource (March 2026)
Appendix 1 - Gould’s Dam and Jason's Deposit Mineral Resource (March 2026) Table 1: Gould’s Dam Mineral Resource (reported 19 March 2026) Table 2: Jason's Deposit Mineral Resource (reported 19 March 2026) Grade Metal Grade Metal Resource Classification Mlbs Resource Classification Mlbs Mt ppm U3O8 K
Slide 13: Appendix - Honeymoon Mineral Resource
Appendix 1 - Honeymoon Mineral Resource Table 3: Honeymoon Mineral Resource (reported 27 August 2026) Grade Metal Resource Classification Mlbs rsonal use only Mt ppm U3O8 Kt U3O8 U3O8 Indicated 12.1 510 6.2 13.7 Inferred 9.3 350 3.2 7.1 TOTAL 21.4 440 9.4 20.8 Honeymoon Project Mineral Resource Esti
Slide 14: Disclaimer and Important Notices
Disclaimer and Important Notices This investor presentation (“Presentation”) has been prepared by Boss Energy Limited (ACN 116 834 336) (“Boss Energy”, “Boss” or “Company”). NOT INVESTMENT ADVICE rsonal use only This Presentation does not constitute in any way an offer or invitation to subscribe for
Slide 15: Disclaimer and Important Notices
Disclaimer and Important Notices CURRENCY AND EFFECT OF ROUNDING rsonal use only All dollar (“$”) amounts are in Australian dollars unless otherwise stated. All cost forecasts are in real 2026 terms. A number of figures, amounts, percentages, estimates, calculations of value and fractions in this Pr