Slide 1: Tiros Project PEA Outlines Strong Economics
For personal use only Tiros Project PEA Outlines Strong Economics: After-tax NPV8 of US$714.9M and IRR of 44.2% PEA WEBINAR • JUNE 16, 2026 TSX-V: RSM ASX: RAU OTC: RSGOF
Slide 2: Disclaimer, Terms of the Presentation, and Important Notices
IM POR TA N T IN FO RM ATI ON Disclaimer, Terms of the Presentation, and Important Notices The information contai ned in this corporate presentation (the “Presentation”) has been prepared by Re souro Stra tegic Metals Inc. (the “Company”), (a) is intended Forward-looking Statements only for the pers
Slide 3: Resouro: A Titanium and Rare Earth Developer
COM PA N Y OV ER V IE W Resouro: A Titanium and Rare Earth Developer A dual-stream, long-life, low-capital pathway to production for one of the world’s largest critical-metals resources. For personal use only VA L U E P R O P OS I T I O N Annual life of mine cash flow of $115.2M, payback of 1.9 year
Slide 4: Capital Structure and Valuation
V ALUA TION Capital Structure and Valuation For personal use only CA PI TAL STRUC TURE VAL UATI ON CO NTE X T Share Price C$ 0.305 Market Capitalisation1 US$ 23.5M Shares on Issue 107,910,049 Cash (as at December 31, 2025) 1 US$ 1.4 M Options, Warrants & Performance Rights 21,869,259 Debt (as at Dec
Slide 5: Strategic Focus, Local Expertise, and Critical Minerals Experience
E XPE R IEN CE D TE AM Strategic Focus, Local Expertise, and Critical Minerals Experience The right team to lead the company through the development phase. For personal use only Christopher Eager Simon Stilwell Anne Landry Philippe Martins Sandra Evans Director & CEO Non-Executive Chair Director Chi
Slide 6: Why are Rare Earth Elements so critical?
CR ITICA L MA TE RI AL S Why are Rare Earth Elements so critical? Key enabling materials of the energy transition and modern defence economies. For personal use only W HE RE RE Es ARE USE D TH E M AG NE T RE E s Neodymium (Nd) · Praseodymium (Pr) · EV traction Wind Defence motors turbines systems Dy
Slide 7: Grade Makes the Titanium Dioxide Economics Work
CR ITICA L MA TE RI AL S Grade Makes the Titanium Dioxide Economics Work Strong, white, and bright. For personal use only W HE RE TI TAN IUM DI OXI DE IS US ED W HY TI TAN I UM Titanium dioxide is the world’s most-used white pigment and the Paints & Aerospace Automotive feedstock for titanium metal.
Slide 8: Tiros Project — Minas Gerais, Brazil
FL A GSH IP ASS ET Tiros Project — Minas Gerais, Brazil Titanium–rare earths land position in a tier-one mining jurisdiction with established infrastructure and a skilled workforce. For personal use only 1.4Bt @ ~12% TiO2 M&I Resource: 1.4 Bt @ ~12% TiO₂, ~4,000 ppm TREO 497 km² Novo Mundo Gold 28 c
Slide 9: The Red Zone: Near-Surface, High-Grade
FL A GSH IP ASS ET The Red Zone: Near-Surface, High-Grade A thick, homogeneous blanket of weathered, oxidised clay—high-grade titanium and rare earths at or near surface. For personal use only HIGH-GRADE, CO NTINUOU S MINERALISATION PE AK INTER VALS 27.3–28.5 m 10,045 ppm TREO 27.6% TiO₂ 29.7–30.9 m
Slide 10: Summary of Mineral Resource Estimate
M IN ER AL RE SOU RCE Summary of Mineral Resource Estimate Globally significant Measured & Indicated Resource with a high-grade domain underpinning the PEA (effective 9 April 2025). For personal use only 1.4Bt 168Mt 5.6Mt 103Mt 500Mt M&I RESOUR CE CO NTAI N ED TI O₂ CO NTAI N ED TRE O HI GH -GR ADE
Slide 11: Tiros: A Globally Significant Resource
FLAGSHIP ASSET Tiros: A Globally Significant Resource Globally ranked in scale and grade -contained TiO₂-equivalent and grade-vs-tonnage versus selected titanium and rare-earth peers. For personal use only ~103Mt 1.4Bt 168Mt 5.6Mt ~500Mt H I GH-GRA D E D OMA I N M&I RES O URCE C O N TA IN E D T IO ₂
Slide 12: 500,000 tpa Base Case
ECONOMICS 500,000 tpa Base Case A capital-efficient starter operation generating strong returns from a phased, scalable development. For personal use only US$ 714.9M 44.2% US$ 191M 20 yrs PO S T- TAX N PV ₈ PO S T- T AX I R R U PF RO N T CA PE X M I NE L I FE Post-tax basis incl. contingency ~0.7% o
Slide 13: LOM Cashflow and Payback
ECONOMICS LOM Cashflow and Payback Payback in 1.9 years post-tax For personal use only US$1,673.9M 1.9 yrs US$70.0M US$159.6M PO S T- TAX L O M C ASH FL OW PO S T- T AX P AY B AC K AVG. AN NU AL CA SH FL OW NE T I NI T I AL C A PE X Cumulative over 20-year mine life From first production Post-tax av
Slide 14: Conceptual Demonstration of Plant Layout
PE A AN N OU NCE M EN T Conceptual Demonstration of Plant Layout Near-surface weathered clay; free-digging open-pit mining feeding a conventional process plant. For personal use only Simple open-pit mining Free-digging weathered clay at or near surface; low strip, low mining cost. Conventional plant
Slide 15: PEA Process Flowsheet
PE A ANN OUNCEM ENT PEA Process Flowsheet Conventional, mineral-processing technologies producing titanium dioxide concentrates and mixed rare-earth sulphates. For personal use only TWO P ROCESSING CIRCUITS Coarse-particle stream Recovers a high-grade titanium concentrate for sale into traditional t
Slide 16: A Structured, gated permitting pathway in Minas Gerais
E NV IR ON M EN TA L ASS ESS ME N T, P ER M ITTIN G, A N D COM MUN ITY RE L ATI ON S A Structured, gated permitting pathway in Minas Gerais Led by Sete Soluções with phased licensing under the SISEMA/SEMAD/COPAM framework. For personal use only Environmental Permitting Community Assessment Pathway R
Slide 17: Technical Work, Optimisation, and Development Timeline
NEXT STE PS Technical Work, Optimisation, and Development Timeline Workstreams from PEA to PFS in parallel with permitting and community engagement. For personal use only Infill Drilling Metallurgical Test Work Product Specification PFS Workstreams Expanded variability testing; Targeted infill drill
Slide 18: Tiros: Strong Economics, Near-term Production, and Growth Platform
A CL EA R PA TH WA Y TO P R ODU CTION : KE Y TA KE AW AY S Tiros: Strong Economics, Near-term Production, and Growth Platform For personal use only Strong economics Low capital starter operation Expansion potential 500,000 tpa starter operation using only Starter operation targets a small-grade Post
Slide 19: Questions
For personal use only Ques tions Christopher Eager Chief Executive Officer chris.eager@resouro.com Simon Stilwell Non-Executive Chair simon.stilwell@resouro.com TSX-V: RSM ASX: RAU OTC: RSGOF 19
Slide 20: Appendix
For personal use only Appendix TSX-V: RSM ASX: RAU OTC: RSGOF 20
Slide 21: PEA Summary — 500,000 tpa Base Case
PE A AN N OU NC EM EN T PEA Summary — 500,000 tpa Base Case Headline results of the Preliminary Economic Assessment, effective June 2026. For personal use only Metric Unit Pre-tax Post-tax NPV (8% discount) US$ M 1,138.8 714.9 IRR % 62.7% 44.2% Upfront Development CAPEX (incl. tax) US$ M 159.6 191.1
Slide 22: PEA Summary — Complete Project Metrics
PE A ANN OUNCEM ENT PEA Summary — Complete Project Metrics Full project metrics from PEA Table 1: general economics and costs, effective June 2026. For personal use only Metric Unit Pre-tax Post-tax NPV (8% discount) US$ M 1,138.8 714.9 IRR % 62.7% 44.2% Initial capital (net / gross) US$ M 159.6 / 1