Copper South America Chile Mid Producer
Toronto Stock Exchange (TSX): CS Australian Securities Exchange (ASX): CSC

Capstone Copper Corp.

$5.1B
Last updated: 08/17/2025

Overview

Capstone Copper Corp. is a mid-tier copper producer headquartered in Vancouver, Canada, operating primarily in South America. The company's portfolio consists of 5 projects, comprising 4 operating mines and 1 development project, in addition to several early-stage exploration prospects. Key assets include Mantoverde and Pinto Valley. The business model centers on operating a portfolio of mining assets with integrated processing capabilities, including flotation for concentrate production and solvent extraction/electrowinning for cathode output. The organization leverages a modular truck system for concentrate haulage and utilizes both domestic and international smelters and ports. Competitive positioning is primarily determined by operational cost structures, the production of high-grade concentrate with low impurities, and the ability to manage financial integrity through metal price cycles. A significant portion of production is sold through competitive tendering processes or under annual and multi-year contractual agreements with major trading companies. The enterprise's financial performance demonstrates high sensitivity to a principal commodity's price movements due to its concentrated business focus. Risk management may involve the use of financial derivative instruments to secure pricing within contractual quotation periods or for future deliveries, aiming to provide cash flow certainty for long-term value creation. The business requires specialized skills in mine operations, construction, geology, and logistics, retaining experienced executive officers and consultants to manage these complexities.

Strategy

The organization's strategy focuses on unlocking production growth while executing cost and operational improvements through innovation, optimization, and responsible production. A core tenet is the disciplined allocation of capital to surface stakeholder value, with a clear emphasis on profitability. Near-term growth initiatives are advanced using proceeds from capital raises, funding detailed engineering for development projects and expansionary exploration programs. A key long-term objective involves creating an integrated, world-class mining district by leveraging infrastructure synergies between existing operations and development projects. This includes a phased approach to growth, starting with the ramp-up of recently completed projects, followed by sanctioning decisions on subsequent expansions. The strategy also encompasses a commitment to extending operational life through brownfield and greenfield exploration activities aimed at increasing mine life and identifying potential expansion opportunities across its asset portfolio. The enterprise actively evaluates technical alternatives for major projects to ensure optimal final configurations and nameplate capacities.

Management

Executive leadership demonstrates a focus on long-term stability and strategic succession, highlighted by a plan for the current CEO, with extensive experience leading a major multinational's base metals division, to transition to Non-Executive Chair, with the President & COO succeeding him. The board of directors includes individuals with significant experience in capital markets, mining operations, and corporate governance, with recent appointments enhancing expertise in these areas. As of the report date, the board consists of 8 members, with the 4 members of the audit committee confirmed as independent and financially literate. Governance is structured through several board committees, including Audit; Governance, Nominating and Sustainability; Human Resource & Compensation; and Technical and Operational Performance. The Audit Committee, which meets at least 5 times annually, provides oversight on financial reporting, internal controls, and risk management. The board's oversight extends to key policies governing health, safety, environment, and community relations, with annual corporate objectives for sustainable performance linked directly to employee compensation at all organizational levels.

Sustainability

The enterprise has formalized its commitment through a Sustainable Development Strategy focusing on 5 priority areas: biodiversity, communities, tailings, climate, and water. This strategy includes establishing interim targets, such as for Greenhouse Gas (GHG) emissions reduction. The organization has adopted several key policies, including an Integrated Health, Safety, Environment & Community Policy, a Human Rights Policy, and a Supplier Code of Conduct, providing regular training to employees and suppliers. Governance for these initiatives is provided by the Technical and Operational Performance Committee of the Board. Specific commitments include achieving the Global Industry Standard for Tailings Management (GISTM) and improving dust control at its operations. The company has also committed to the Copper Mark assurance framework at 2 of its operations, an initiative designed to demonstrate responsible production practices. The organization's approach involves continuous improvement, compliance with international standards, and the integration of climate-related impacts into its strategic business planning, including assessing opportunities for low-carbon technologies.

Structure

The current corporate structure was formed in March 2022 through a transaction where Mantos Copper acquired all shares of Capstone Mining Corp. and was renamed. This event combined the businesses of the 2 previously separate entities. The organization holds a 70% interest in one of its key operating assets, with Mitsubishi Materials Corporation holding the remaining 30% interest under a shareholders' agreement established in February 2021. Major shareholders include Hadrian Capital Partners Inc. (13.22%) and Orion (11.88%), with Orion holding board nomination rights contingent on its ownership level. The company has entered into several material streaming and royalty agreements to finance development, including a 2019 silver production agreement with Osisko Bermuda Limited and a 2019 net smelter return royalty with Southern Cross Royalties Limited. Additionally, 2 precious metals purchase agreements were established with Wheaton Precious Metals Corp., one for silver in 2020 and another for gold in 2021. In July 2024, the company entered a binding agreement to acquire 100% of Compania Minera Sierra Norte S.A. to secure a potential future feed source.

Source

Capstone Copper Corp - Annual Information Form - 2024

Mantoverde
70.00%
πŸ‡¨πŸ‡± Atacama, Chile
operating, open pit
Annual production: 100 - 250 Mlb Cu (low)
Resource base: 4000 - 10000 Mlb Cu (medium)
Average Grade 0.5 - 1 % (low)
Annual production: < 50 koz au (very low)
Resource base: 1 - 2.5 moz au (low)
Average Grade < 1 g/t (very low)
Pinto Valley
100.00%
πŸ‡ΊπŸ‡Έ Arizona, USA
operating, open pit
Annual production: 100 - 250 Mlb Cu (low)
Resource base: 4000 - 10000 Mlb Cu (medium)
Average Grade 0.5 - 1 % (low)
Annual production: < 5 Mlbs Mo (very low)
Resource base: 50 - 200 Mlbs Mo (low)
Average Grade 0.03 - 0.06 % Mo (low)
Mantos Blancos
100.00%
πŸ‡¨πŸ‡± Antofagasta, Chile
operating, open pit
Annual production: < 100 Mlb Cu (very low)
Resource base: 1000 - 4000 Mlb Cu (low)
Average Grade 0.5 - 1 % (low)
Annual production: < 1 moz ag (very low)
Resource base: 25 - 75 moz ag (low)
Average Grade < 50 g/t ag (very low)
Cozamin
100.00%
πŸ‡²πŸ‡½ Zacatecas, Mexico
operating, underground
Annual production: < 100 Mlb Cu (very low)
Resource base: < 1000 Mlb Cu (very low)
Average Grade 1 - 1.5 % (medium)
Annual production: 1 - 3 moz ag (low)
Resource base: 25 - 75 moz ag (low)
Average Grade < 50 g/t ag (very low)
Santo Domingo
100.00%
πŸ‡¨πŸ‡± Atacama, Chile
development, open pit
Annual production: N/A
Resource base: 1000 - 4000 Mlb Cu (low)
Average Grade 0.5 - 1 % (low)
Annual production: N/A
Resource base: < 1 moz au (very low)
Average Grade < 1 g/t (very low)
Last update: 07/04/2025
  1. Project should be interpreted as a single, group or complex of mines, deposits or other mineral assets. Name of the project should be identical to the official company naming convention.
  2. The ranges of values provided are indicative and should not be regarded as exact figures.
  3. Figures for exploration and development projects are based on available data and are indicative only; actual values may vary substantially.
  4. Royalties frequently apply to specific mineralized areas that may not coincide exactly with the boundaries of the overall project. As a result, even if a mine is currently in operation, the portion subject to the royalty may not be included in extraction activities until future years.
  5. Commodities are listed from most dominant to least dominant. Only selected commodities are shown.
  6. Table might not include all projects that are currently owned by the company. Displayed data are snapshots of the company's projects in time and might not be up to date.
  7. Exploration projects are partially represented in the table. Only projects with mineralization or strategic importance are shown.
  8. Companies might own processing facilities that are not included in the table. Those facilities play important role especially for companies operating in uranium, nickel and lithium sectors.
  1. Chart is always based on the company's primary listing.
  1. Presented values are denominated in currency of the country where the company is headquartered. Values like market capitalization might differ from the values visible in other parts of the page, where the currency is always USD.
Commodity Units
  1. koz au: Thousand ounces of gold (production volume)
  2. moz au: Million ounces of gold (resource base or production volume)
  3. g/t: Grams per tonne (grade of gold or silver in ore)
  4. usd/oz au: US dollars per ounce of gold (cost metric)
  5. moz ag: Million ounces of silver (resource base or production volume)
  6. g/t ag: Grams per tonne of silver in ore (grade)
  7. usd/oz ag: US dollars per ounce of silver (cost metric)
  8. kt cu: Thousand tonnes of copper (production volume)
  9. mt ore: Million tonnes of ore (resource base for copper)
  10. %: Percent copper or uranium in ore (grade)
  11. usd/lb cu: US dollars per pound of copper (cost metric)
  12. mlb U3O8: Million pounds of uranium oxide (U3O8) (production or resource base)
  13. % eU3O8: Percent equivalent uranium oxide in ore (grade)
  14. usd/lb u3o8: US dollars per pound of uranium oxide (cost metric)
Mining Methods
  1. Open Pit: Surface mining method using large excavated terraces to extract ore
  2. Underground: Subsurface mining through shafts, tunnels, and chambers
  3. ISR (In-Situ Recovery): Solution mining method using chemical leaching without excavation
Mine Development Stages
  1. Exploration: Early-stage project searching for and defining mineral deposits
  2. Development: Mine under construction or preparation for production
  3. Operating: Active mine currently extracting and processing ore
  4. Expansion: Mine temporarily suspended or with limited production, in progress to increase production in the future
  5. Reclamation: Mine permanently closed or no longer producing, but the site is being rehabilitated
Resource Categories
  1. P&P (Proven and Probable Reserves): Highest confidence mineral resources with detailed mine plans, it's a subset of M&I
  2. M&I (Measured and Indicated Resources): Well-defined resources with good geological confidence
  3. Inf (Inferred Resources): Estimated resources with limited geological confidence
Project Assessment Studies
  1. Scoping Study: High-level assessment to determine if a project warrants further investigation
  2. PEA (Preliminary Economic Assessment): Initial economic evaluation of a mineral project
  3. Pre-Feasibility (Preliminary Feasibility Study): Intermediate-level technical and economic assessment
  4. Feasibility (Definitive Feasibility Study): Comprehensive technical and economic evaluation for investment decisions
  5. BFS (Bankable Feasibility Study): Detailed study meeting lender requirements for project financing
Financial Metrics
  1. NPV (Net Present Value): Discounted value of future cash flows minus initial investment
  2. IRR (Internal Rate of Return): Discount rate that makes NPV equal to zero
  3. Payback Period: Time required to recover initial capital investment from project cash flows
  4. AISC (All-In Sustaining Cost): Total cost per ounce including sustaining capital and corporate costs
Royalty & Streaming
  1. Royalty: Payment to landowner/government based on percentage of production value or revenue
  2. Stream: Agreement to purchase future production at predetermined price, often below market rate
  3. NSR (Net Smelter Return): Royalty based on net revenue after smelting and refining costs
  4. GRR (Gross Revenue Royalty): Royalty based on total gross revenue before any deductions
  5. NPI (Net Profits Interest): Royalty based on net profits after operating costs and capital recovery

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