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Sunstone Metals (STM) investor relations material
Sunstone Metals RRS Summer Series Melbourne summary
Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.RRS Summer Series Melbourne summary4 Dec, 2025
Strategy and market positioning
Focus on developing two large, long-life, low-AISC gold-copper assets in Ecuador, prioritizing copper (25%) and gold (75%).
Emphasis on resource growth, scalable development, and clear funding pathways for value realization.
Projects are located in a globally significant copper-gold belt with strong government support for responsible mining.
Ecuador offers a cost advantage with low energy and labor costs, USD currency, and low-carbon energy sources.
Record high gold prices and strategic copper demand underpin project economics.
Flagship projects and resource updates
Bramaderos: 3.6Moz AuEq JORC Resource (2025), with an exploration target of 5.0–12.9Moz AuEq.
El Palmar: 1.2Moz AuEq maiden JORC Resource (2024), with an exploration target of 15–45Moz AuEq.
Both projects feature large, near-surface, bulk-tonnage mineralization with significant upside from ongoing drilling.
Bramaderos' Limon area shows high-grade intersections, including 185m @ 2.85g/t AuEq.
El Palmar drilling confirms mineralization extends beyond 1,750m deep, with potential for further resource growth.
Development plans and growth potential
Bramaderos development staged: initial focus on Brama-Alba-Melonal, followed by conversion of additional targets.
Scoping study for Bramaderos expected in 1H 2026, with potential for rapid resource expansion.
El Palmar positioned for bulk-scale, low-cost open-pit mining, leveraging regional infrastructure and cost advantages.
Exploration targets at both projects to be tested with further drilling over the next two years.
Ongoing community engagement and sustainability initiatives support project advancement.
Bramaderos exploration target conversion plan
El Palmar deep mineralisation upside
Ecuador's low costs impact on project AISC
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Next Sunstone Metals earnings date
H1 202610 Mar, 2026
Next Sunstone Metals earnings date
H1 202610 Mar, 2026
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Frequently asked questions
Sunstone Metals Limited is a mineral exploration company focused on the discovery and development of base and precious metal projects. The company primarily targets copper and gold resources through exploration activities such as geological mapping, sampling, and drilling. Its projects are located in South America, with an emphasis on regions offering favorable geological potential and infrastructure access. Sunstone Metals Limited aims to advance its assets through exploration, resource definition, and technical studies. The company is headquartered in Brisbane, Australia, and its shares are listed on the ASX.
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