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Capstone Copper Announces Filing of Audited Annual Financial Statements

Financials

1

February 17, 2023

Capstone Copper Announces Filing of Audited Annual

Financial Statements

Vancouver, British Columbia – Capstone Copper Corp. (“Capstone” or the “Company”) (TSX:CS) has filed

its audited annual financial statements and related management’s discussion and analysis for the financial

year ended December 31, 2022 with the applicable Canadian securities regulatory authorities on SEDAR.

The documents are available on the Company’s website at www.capstonecopper.com and at www.sedar.com.

ABOUT CAPSTONE COPPER CORP.

Capstone Copper Corp. is an Americas -focused copper mining company headquartered in Vancouver,

Canada. We own and oper ate the Pinto Valley copper mine located in Arizona, USA, the Cozamin copper -

silver mine located in Zacatecas, Mexico, the Mantos Blancos copper -silver mine located in the Antofagasta

region, Chile, and 70% of the Mantoverde copper-gold mine, located in the Atacama region, Chile. In addition,

we own the fully permitted Santo Domingo copper-gold project, located approximately 30 kilometres northeast

of Mantoverde in the Atacama region, Chile, as well as a portfolio of exploration properties in the Americas.

Capstone Copper’s strategy is to unlock transformational copper production growth while executing on cost

and operational improvements through innovation, optimization and safe and responsible production

throughout our portfolio of assets. We focus on pro fitability and disciplined capital allocation to surface

stakeholder value. We are committed to creating a positive impact in the lives of our people and local

communities, while delivering compelling returns to investors by sustainably producing copper to meet the

world’s growing needs.

Contact Information

Jerrold Annett, SVP, Strategy and Capital Markets

647-273-7351

[email protected]

Kettina Cordero, Director Investor Relations & Communications

604-262-9794

[email protected]

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This document may contain “forward -looking information” within the meaning of Canadian securities legislation

and “forward-looking statements” within the meaning of the United States Private Securities Litigation Reform Act

of 1995 (collectively, “forward-looking statements”). These forward-looking statements are made as of the date of

this document and the Company does not intend, and does not assume any obligation, to update these forward -

looking statements, except as required under applicable securities legislation.

Forward-looking statements relate to future events or future performance a nd reflect our expectations or beliefs

regarding future events and the impacts of the ongoing and evolving COVID -19 pandemic and the evolving

geopolitical environment. Forward -looking statements include, but are not limited to, statements with respect to

the execution of our future growth projects, our financial liquidity and development of our projects, the estimation

of Mineral Resources and Mineral Reserves, the success of the underground paste backfill and tailings filtration

projects at Cozamin, the ti ming and cost of the construction of the paste backfill and dry stack tailings plant at

Cozamin, the success and timing of the Mantos Blancos Concentrator Debottlenecking Project, the timing and

cost of the Mantoverde Development Project, the timing and results of the PV4 study, the expected reduction in

capital requirements for the Santo Domingo project, the timing and success of the Cobalt Study for Santo Domingo,

the timing and results of the integrated plan for Mantoverde - Santo Domingo, the realizat ion of Mineral Reserve

estimates, the timing and amount of estimated future production, the costs of production and capital expenditures

and reclamation, the budgets for exploration at Cozamin, Santo Domingo, Pinto Valley, Mantos Blancos,

NEWS RELEASE

TSX:CS ● capstonecopper.com

1 These are alternative performance measures. Refer to the section entitled “Alternative Performance Measures” in the Cautionary Notes

2 2022 C1 Cash Costs are preliminary. Final results will be released on February 15th, 2023.

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Mantoverde and ot her exploration projects, the timing and success of the Copper Cities project, the success of

our mining operations, the continuing success of mineral exploration, the estimations for potential quantities and

grade of inferred resources and exploration tar gets, our ability to fund future exploration activities, our ability to

finance the Santo Domingo project and other current or future projects and expansions, environmental risks,

unanticipated reclamation expenses and title disputes, the success of the sy nergies and catalysts related to prior

transactions, and the anticipated future production, costs of production, including the cost of sulphuric acid and oil

and other fuel, capital expenditures and reclamation of the Company's operations and development p rojects and

the risks included in our continuous disclosure filings on SEDAR at www.sedar.com. The potential effects of the

COVID-19 pandemic on our business and operations are unknown at this time, including Capstone Copper’s ability

to manage challenges and restrictions arising from COVID -19 in the communities in which Capstone Copper

operates and our ability to continue to safely operate. The impact of COVID -19 to Capstone Copper is dependent

on a number of factors outside of our control and knowledge, i ncluding the effectiveness of the measures taken

by public health and governmental authorities to combat the spread of the disease, global economic uncertainties

and outlook due to the disease, supply chain delays resulting in lack of availability of suppl ies, goods and

equipment, and evolving restrictions relating to mining activities and to travel in certain jurisdictions in which we

operate.

In certain cases, forward -looking statements can be identified by the use of words such as “anticipates”,

“approximately”, “believes”, “budget”, “estimates”, expects”, “forecasts”, “guidance”, intends”, “plans”, “scheduled”,

“target”, or variations of such words and phrases, or statements that certain actions, events or results “be

achieved”, “could”, “may”, “might”, “occur”, “should”, “will be taken” or “would” or the negative of these terms or

comparable terminology. In this document certain forward -looking statements are identified by words including

“anticipated”, “expected”, “guidance” and “plan”. By their very nature, forward -looking statements involve known

and unknown risks, uncertainties and other factors that may cause our actual results, performan ce or

achievements to be materially different from any future results, performance or achievements expressed or implied

by the forward -looking statements. Such factors include, amongst others, risks related to inherent hazards

associated with mining operat ions and closure of mining projects, future prices of copper and other metals,

compliance with financial covenants, surety bonding, our ability to raise capital, Capstone Copper’s ability to

acquire properties for growth, counterparty risks associated with sales of our metals, use of financial derivative

instruments and associated counterparty risks, foreign currency exchange rate fluctuations, market access

restrictions or tariffs, changes in general economic conditions, availability and quality of water, accuracy of Mineral

Resource and Mineral Reserve estimates, operating in foreign jurisdictions with risk of changes to governmental

regulation, compliance with governmental regulations, compliance with environmental laws and regulations,

reliance on approvals, licences and permits from governmental authorities and potential legal challenges to permit

applications, contractual risks including but not limited to, our ability to meet the completion test requirements

under the Cozamin Silver Stream Agreement with Wheaton Precious Metals Corp. ("Wheaton"), our ability to meet

certain closing conditions under the Santo Domingo Gold Stream Agreement with Wheaton, acting as Indemnitor

for Minto Metals Corp.’s surety bond obligations post divestiture, impact of climate change and changes to climatic

conditions at our operations and projects, changes in regulatory requirements and policy related to climate change

and greenhouse gas ("GHG") emissions, land reclamation and mine closure obligations, aboriginal title claims and

rights to consultation and accommodation, risks relating to widespread epidemics or pandemic outbreak including

the COVID-19 pandemic; the impact of COVID -19 on our workforce, risks related to construction activities at our

operations and development projects, suppliers and other essential resources and what effect those impacts, if

they occur, would have on our business, including our ability to access goods and supplies, the ability to transport

our products and impacts on employee productivity, the risks in connection with the operations, cash flow and

results of Capstone Copper relating to the unknown duration and impact of the COVID -19 pandemic, impacts of

inflation, geopolitical events and the effects of global supply chain disruptions, uncertain ties and risks related to

the potential development of the Santo Domingo project, risks related to the Mantos Blancos Concentrator

Debottlenecking Project and the Mantoverde Development Project, increased operating and capital costs,

increased cost of rec lamation, challenges to title to our mineral properties, increased taxes in jurisdictions the

Company operates or is subject to tax, changes in tax regimes we are subject to and any changes in law or

interpretation of law may be difficult to react to in an efficient manner, maintaining ongoing social licence to operate,

seismicity and its effects on our operations and communities in which we operate, dependence on key

management personnel, potential conflicts of interest involving our directors and officers , corruption and bribery,

limitations inherent in our insurance coverage, labour relations, increasing input costs such as those related to

sulphuric acid, electricity, fuel and supplies, increasing inflation rates, competition in the mining industry inclu ding

but not limited to competition for skilled labour, risks associated with joint venture partners and non -controlling

shareholders or associates, our ability to integrate new acquisitions and new technology into our operations,

cybersecurity threats, le gal proceedings, the volatility of the price of the common shares, the uncertainty of

maintaining a liquid trading market for the common shares, risks related to dilution to existing shareholders if stock

options or other convertible securities are exercis ed, the history of Capstone Copper with respect to not paying

dividends and anticipation of not paying dividends in the foreseeable future and sales of common shares by

1 These are alternative performance measures. Refer to the section entitled “Alternative Performance Measures” in the Cautionary Notes

2 2022 C1 Cash Costs are preliminary. Final results will be released on February 15th, 2023.

3

existing shareholders can reduce trading prices, and other risks of the mining industry as well as those factors

detailed from time to time in the Company’s interim and annual financial statements and MD&A of those statements

and Annual Information Form, all of which are filed and available for review under the Company’s profile on SEDAR

at www.sedar.com. Although the Company has attempted to identify important factors that could cause our actual

results, performance or achievements to differ materially from those described in our forward -looking statements,

there may be other factors that cause our results, performance or achievements not to be as anticipated, estimated

or intended. There can be no assurance that our forward -looking statements will prove to be accurate, as our

actual results, performance or achievements could differ materiall y from those anticipated in such statements.

Accordingly, readers should not place undue reliance on our forward -looking statements.

CAUTIONARY NOTE TO UNITED STATES INVESTORS REGARDING PRESENTATION OF MINERAL

RESERVE AND MINERAL RESOURCE ESTIMATES

As a British Columbia corporation and a “reporting issuer” under Canadian securities laws, we are required to

provide disclosure regarding our mineral properties in accordance with Canadian National Instrument 43 -101 –

Standards of Disclosure for Mineral Projects (“NI 43-101”). NI 43-101 is a rule developed by the Canadian Securities

Administrators that establishes standards for all public disclosure an issuer makes of scientific and technical

information concerning mineral projects. In accordance with NI 43 -101, we use the terms mineral reserves and

resources as they are defined in accordance with the CIM Definition Standards on mineral reserves and resources

(the “CIM Definition Standards”) adopted by the Canadian Institute of Mining, Metallurgy and Petroleum. In

particular, the terms “mineral reserve”, “proven mineral reserve”, “probable mineral reserve”, “mineral resource”,

“measured mineral resource”, “indicated mineral resource” and “inferred mineral resource” used in this annual

information form and the documents incorporated by reference herein and therein, are Canadian mining terms

defined in accordance with CIM Definition Standards. These definitions differ from the definitions in the disclosure

requirements promulgated by the SEC. Accordingly, information contained in this annual information form and the

documents incorporated by reference herein may not be comparable to similar information made public by U.S.

companies reporting pursuant to SEC disclosure requirements.

United States investors are also cautioned that while the SEC will now recognize “measured mineral resources”,

“indicated mineral resources” and “inferred mineral resources”, investors should not assume that any part or all of

the mineralization in these categories will ever be converted into a higher category of mineral resources or into

mineral reserves. Mineralization described using these terms has a greater amount of uncertainty as to their

existence and feasibility than mineralization that has been characterized as rese rves. Accordingly, investors are

cautioned not to assume that any “measured mineral resources”, “indicated mineral resources”, or “inferred mineral

resources” that we report are or will be economically or legally mineable. Further, “inferred resources” have a greater

amount of uncertainty as to their existence and as to whether they can be mined legally or economically. Therefore,

United States investors are also cautioned not to assume that all or any part of the inferred resources exist. In

accordance with Canadian rules, estimates of “inferred mineral resources” cannot form the basis of feasibility or

other economic studies, except in limited circumstances where permitted under NI 43-101.