Estrella Resources Limited · ASX:ESR
Estrella Resources — Ignite Investment Summit HK (October 2026)
25 slides from Estrella Resources's conference presentation, Oct 15, 2026
Slide 1: Accelerating copper & bulk commodities in Timor-Leste
Accelerating copper & bulk commodities personal use only in Timor-Leste OC TO BER 202 6 - IN V EST OR PRE S E NT AT IO N A SX : E SR Sample ESR006498 See ASX Announcements dated: 29 September 2026, 26 August 2026
Slide 2: Highlights
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Highlights personal use only Exceptional COPPER-GOLD PORPHYRY prospectivity Large-scale Limestone opportunity 01 +60% Cu and 1.3 g/t Au from surface samples coincident with untested, 04 Total Limestone Mineral Resource Estimate of 533Mt, comprising 274M
Slide 3: Estrella in Timor-Leste
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Estrella in Timor-Leste personal use only Grasberg Mine One of the largest copper and gold deposits in the world • Since entering Timor-Leste in 2024 the company has made substantial progress • Timor-Leste is located on the edge of the Banda Arc formati
Slide 4: Mineral targets emerging across Lautem/Baucau Licenses
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Mineral targets emerging across Lautem/Baucau Licenses in TIMOR-LESTE personal use only
Slide 5: Copper-Gold Porphyry Exploration
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT personal use only COPPER-GOLD PORPHYRY 01 Exploration Targeting the large-scale, anomalous Laleno Dome 03
Slide 6: Laleno Dome Dominates surroundings
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Laleno Dome Dominates surroundings Sample ESR006095, grading 60.34% Cu & 182ppm Ag personal use only See ASX Announcements dated: 29 September 2026, 13 July 2026 • ~10km wide, ~700m high Laleno Dome identified • The dome lies within Timor-Leste’s major
Slide 7: Extensive Copper in sampling
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Extensive Copper in sampling personal use only • Latest exploration results consist of 11 samples collected at five sites • Assay highlights include1: • 60.34% Cu & 182ppm Ag (ESR006095) • 45.61% Cu & 1.3 g/t Au (ESR006492) • 58.49% Cu & 78ppm Ag (ESR00
Slide 8: Copper sample photos ESR006497 and ESR006491
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT personal use only Sample ESR0064971,2: Chrysocolla is surface skin (1-2%) overlying an Sample ESR006491 1,2 grading 33.22% Cu Weathered altered ultramafic interior of bright green malachite (30-40%), brown goethite (40-50%), along rock showing quartz st
Slide 9: Evidence Supporting Porphyry-Style Origin
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Evidence Supporting Porphyry-Style personal use only Origin • A key sample group was collected from an intermediate-to- felsic rock with porphyritic texture Sample ESR0064981,2: assaying 5334ppm (0.53%) Cu and 1.4ppm Ag • Rock-chip assays of up to 0.66%
Slide 10: Significance of a Porphyry System
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Significance of a Porphyry System personal use only • Porphyry systems represent the world's primary source of Copper mineralisation and are typically large in scale • Porphyry Copper deposits underpin major mines across the world and are particularly n
Slide 11: Mineralised Samples coincident with geophysical anomaly
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Mineralised Samples coincident with geophysical anomaly personal use only Estrella completed a Mobile MTd UAV geophysical survey across Ira Miri as well as an eastern portion of the dome Note red = low resistivity=high conductivity
Slide 12: Laleno Dome priority anomalies
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Laleno Dome priority anomalies personal use only • Multiple high-conductivity targets identified • The strongest anomalies appear as “plumes” extending upwards from depth • High conductivity “plumes” have a spatial relationship with the Laleno Dome and
Slide 13: Major Diamond/RC Drilling pending
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Major Diamond/RC Drilling pending personal use only • Deepest mineral exploration drilling campaign in Timor-Leste history to commence • Drill pads installed and rigs contracted for ~3,000m Diamond/RC campaign • Vertical drill-holes planned via RC pre-c
Slide 14: Manganese Development
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT personal use only Manganese 02 Development Expanding the high-grade Ira Miri open pit operation 03 See ASX Announcement dated 11 May 2026
Slide 15: Maiden Bulk Sample drives commercial product
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Maiden Bulk Sample drives commercial product personal use only • Large scale mapping, sampling and drilling defined an extensive manganese bed at Ira Miri • An open pit has been constructed using majority local contractors with zero LTIs and strong comm
Slide 16: Untapped Manganese Potential
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Untapped Manganese Potential personal use only • Successful customer selection process demonstrates major interest in high-grade manganese product • Excellent location within Asia-Pacific region and nearby port access present rapid DSO opportunity • Fur
Slide 17: Limestone Deposit
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT personal use only N 03 Limestone Deposit 533Mt Mineral Resource at the Werumata project 03
Slide 18: Extensive Drill Program
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Extensive Drill Program personal use only • Estrella has completed 33 RC drill holes (for 2,804m) and 9 diamond holes (for 913.10m) • Baucau Limestone intersections up to 87m*, averaging 30m and an average grade of 33.15% Ca (i.e. 83% CaCO3) • Batu Puti
Slide 19: 533Mt JORC Resource
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT 533Mt JORC Resource1 personal use only • Resource upgraded with 274Mt Indicated and 259Mt Inferred • Three direct shipping ore products defined: • Product 1: High-grade limestone suitable for sale as an acid neutralisation age 391Mt averages 83.9% Acid
Slide 20: WA Nickel Assets
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT 04 WA Nickel Assets personal use only Carr Boyd Nickel Project • Large mafic igneous complex hosting the historic Carr Boyd mine (total production: 202,100t at 1.43% Ni and 0.46% Cu) • Teir-1 mining jurisdiction with 259km2 of tenure located ~80km north
Slide 21: Major Milestones on the Horizon
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT personal use only ~3,000m Diamond/RC campaign to commence, testing Copper-Gold Porphyry targets at Laleno Dome Major Milestones Regional-scale helicopter magneto telluric (MT) survey to significantly enhance geophysical database 05 on the Horizon
Slide 22: Board and management
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Board and management personal use only Robert Mencel Leslie Pereira Managing Director & CEO Chair & Non-Executive Director • Engineer with more than 30 years’ experience across • Mining and business development executive mining, industrial minerals, fer
Slide 23: Corporate snapshot
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Corporate snapshot personal use only 6 month price chart ASX: ESR Share Price: A$0.027 (as at 6/10/26) Market Cap: ~A$60.79m Cash: ~ A$5.2m (as at 30/6/26) Major Shareholders WMA Holding Fzco 10.25% Essor Assets (FZC) 6.77% MJ Ratta Investments 5.27% Pt
Slide 24: Disclaimer
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Disclaimer personal use only This presentation has been prepared by Estrella Resources Limited (“ESR”) as a summary of the company’s exploration and development activities. Not Investment Advice The presentation is a summary only, doesn’t constitute an
Slide 25: Contact Us
▸ TIMOR-LESTE ▸ PROJECTS ▸ CORPORATE ▸ CONTACT Contact Us personal use only Level 8, 216 St Georges Terrace Registered Office Dili Office City 8 – Rua Has Laran PERTH WA 6000 Manleuana, Aldeia Formento II Suco Comoro, Posto Phone +61 8 9481 0389 Administrativo Dom Aleixo Municipio Dili, Timor-Leste
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