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A Leading Intermediate Copper Producer April 2017 1 Cautionary Note On Forward Looking Information This presentation, and the documents incorporated by reference herein, may contain forward - looking information within the meaning of


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A Leading Intermediate Copper Producer

April 2017

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This presentation, and the documents incorporated by reference herein, 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 Capstone 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 and reflect our expectations or beliefs regarding future events. Forward-looking statements include, but are not limited to, statements with respect to the estimation of mineral resources and mineral reserves, the realization of mineral reserve estimates, the timing and amount of estimated future production, costs

  • f production and capital expenditures, the success of our mining operations, environmental risks, unanticipated reclamation expenses and title disputes. In certain cases, forward-looking

statements can be identified by the use of words such as “plans”, “expects”, “budget”, “scheduled”, “estimates”, “forecasts”, “intends”, “anticipates”, “believes” or variations of such words and phrases, or statements that certain actions, events or results “may”, “could”, “would”, “might” or “will be taken”, “occur” or “be achieved” or the negative of these terms or comparable

  • terminology. In this document certain forward-looking statements are identified by words including “anticipation”, “guidance”, “plan” and “expected”. By their very nature, forward-looking

statements involve known and unknown risks, uncertainties and other factors that may cause our actual results, performance 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 operations, future prices of copper and other metals, compliance with financial covenants, surety bonding, our ability to raise capital, Capstone’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, changes in general economic conditions, 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, impact of climatic conditions on our Pinto Valley, Cozamin and Minto operations, aboriginal title claims and rights to consultation and accommodation, land reclamation and mine closure obligations, uncertainties and risks related to the potential development of the Santo Domingo Project, increased operating and capital costs, challenges to title to our mineral properties, maintaining ongoing social license to 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 energy prices, competition in the mining industry, risks associated with joint venture partners, our ability to integrate new acquisitions into our operations, cybersecurity threats, legal proceedings 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 management’s discussion and analysis of those statements, 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 materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on our forward-looking statements.

Alternative Performance Measures

“C1 cash cost”, “cash cost”, “all-in cost”, “fully-loaded all-in cost”, “adjusted net income/loss”, “operating cash flow before changes in working capital” and “net debt” are Alternative Performance

  • Measures. Alternative performance measures are furnished to provide additional information. These non-GAAP performance measures are included in this presentation because these statistics

are key performance measures that management uses to monitor performance, to assess how the Company is performing, to plan and to assess the overall effectiveness and efficiency of mining

  • perations. These performance measures may not be comparable to similar data presented by other mining companies. These performance measures should not be considered in isolation as a

substitute for measures of performance included in the Company’s unaudited condensed interim consolidated financial statements prepared in accordance with IFRS.

Currency

All amounts are in US$ unless otherwise specified.

Cautionary Note On Forward Looking Information

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Cash flow generation from a portfolio of three mines Financial flexibility Proven track record of sustainable growth Low-risk copper producer focused on the Americas

About Capstone

A leading intermediate copper producer

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Diversified Operations in Low Risk Jurisdictions

PRODUCTION

Three operating mines in stable geographies in the Americas

94 k tonnes1 of copper C1 Cash Cost1,2 $1.60-$1.70/lb All-in Cost1,2 $2.15-$2.25/lb

  • Santo Domingo

Region III, Chile CS 70%; KORES 30%

  • Providencia

SQM - option to earn up to 70%

GROWTH

Portfolio

Growth projects and early-stage base metals exploration properties

Short term Long term

  • Pinto Valley

Arizona, US 61 k tonnes copper1

  • Cozamin

Zacatecas State, Mexico 14 k tonnes copper1

  • Minto

Yukon, Canada 19 k tonnes copper1

  • 1. 2017 guidance, see news release dated January 16, 2017. Production guidance is ±5%. 2. C1 Cash Cost and All-in Cost are per payable pound
  • f copper produced and are alternative Performance Measures. See Forward-Looking Statements and Cautionary Note for NI 43-101

information.

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Key Points

  • Q1 2017 impacted by planned shutdown, heavy rain and replacement of primary crusher mainframe. Full

production resumed March 9 with 2017 guidance maintained as major planned maintenance complete Q1

  • 2016 throughput above plan at >56,000 tpd
  • Focus on optimization, yielding sustainable cost reductions

Planning for future production increase and evaluating regional resource opportunities

Pinto Valley Mine

Open Pit Mine in Arizona, US

Mine life remaining (years) 22 2017 Production Guidance1,2 (k tonnes) 2017 C1 Cash Cost2,3,4 Guidance ($/payable lb produced) 2017 All-In-Cost2,3,4 Guidance ($/payable lb produced) 61.0 $1.75-$1.85 $2.10-$2.20 Q1 2017 Production (k tonnes) Q1 2017 C1 cash cost3,4 ($/payable lb produced) Q1 2017 All-In Cost3,4 ($/payable lb produced) 11.3 $2.18 $2.77 By-products Mo, Ag

  • 1. ±5% 2. see news release dated January 16, 2017. 3. C1 Cash Cost and All-In Cost are Alternative Performance Measures. See Forward-Looking Statements and Cautionary Note for

NI 43-101 information. 4. C1 cash cost per pound of payable copper produced is net of by-product credits and selling costs. All-In cost per pound of payable copper produced is C1 cash cost plus NSR and production royalties, non-cash deferred revenue, all sustaining capital expenditures (including exploration and cash portion of production-phase capitalized stripping), accretion of reclamation obligations, amortization of reclamation assets and PV3 development.

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PV3 Mine Plan1

  • 1. See Technical Report dated February 23, 2016.

0.00% 0.15% 0.30% 0.45% 0.60% 0.75% 10 20 30 40 50 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039

Cu Grade Million Tonnes

PV2 Ore PV3 Ore Ore to Stockpile Stockpile to Mill PV2 Waste PV3 Waste Cu Grade to Mill

  • PV3 mine plan more than doubles mine life to 23 years, increases throughput by 8% and lowers
  • perating costs without significant capital investment
  • No significant changes moving from PV2 to PV3
  • Planning further 10% throughput expansion 2020/2021 with timeline aligned to permitting
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Pinto Valley: Long Life Asset in Stable Mining District

Source: Bing maps and boundaries are approximated

Permitting of brownfield expansion in mining friendly region Carlota (KGHM) Pinto Valley Miami (FCX) Copper Cities (BHP) Miami (BHP) Old Dominion (BHP)

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Cozamin Mine

Underground Mine in Zacatecas State, Mexico

Mine life remaining (years) 4 2017 Production Guidance1,2 (k tonnes) 2017 C1 Cash Cost2,3,4 Guidance ($/payable lb produced) 2017 All-In-Cost2,3,4 Guidance ($/payable lb produced) 14.0 $1.10-$1.20 $1.90-$2.00 Q1 2017 Production (k tonnes) Q1 2017 C1 cash cost3,4 ($/payable lb produced) Q1 2017 All-In Cost3,4 ($/payable lb produced) 4.1 $1.33 $1.94 By-products Zn, Pb, Ag

2018+

Silver stream expired April 4th 2017 reducing cash costs; Evaluating potential to bring zinc resource into mine plan

2017

Further exploration targets aimed at extending mine life; Potential zinc/silver production

  • 1. ±5% 2.see news release dated January 16, 2017. 3. C1 Cash Cost and All-In Cost are Alternative Performance Measures. See Forward-Looking Statements and Cautionary Note for

NI 43-101 information. 4. C1 cash cost per pound of payable copper produced is net of by-product credits and selling costs. All-In cost per pound of payable copper produced is C1 cash cost plus NSR and production royalties, non-cash deferred revenue, all sustaining capital expenditures (including exploration and production-phase capitalized stripping), accretion of reclamation obligations and amortization of reclamation assets.

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Key Points

  • Current mineral resource/reserve (MNV and MNFWZ) over 2.0 km strike length
  • Mala Noche Vein (MNV) - extends 5.5 km east to west; open in both directions
  • Mala Noche Footwall Zone (MNFWZ) – extends 1.0 km; still open to the southeast and up-dip
  • Surface and underground exploration targeting new mineralized zones
  • Along strike, up and down-dip of existing resources & historic mines & in parallel structures and splays off main structures
  • Testing potential to accelerate zinc production

Zaragoza Shaft San Roberto Shaft San Rafael Shaft San Bernabe Shaft Exploration Potential To West Exploration Potential To East MNV MNFWZ

745000 746000 747000 748000 749000 750000 2400 2000 1800

2016/2017 MNFWZ Drilling

VIEW IS LOOKING NORTH MASL

LEGEND

MNV Copper Grades MNFWZ Copper Grades

2016/2017 Zinc Drilling

Cozamin Mine Exploration Potential

2016 Zinc Drilling 2016 MNV Drilling

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Mine life remaining (years) 4 2017 Production Guidance1,2 (k tonnes) 2017 C1 Cash Cost2,3,4,5 Guidance ($/payable lb produced) 2017 All-In-Cost2,3,4,5Guidance ($/payable lb produced) 19.0 $1.60-$1.70 $1.65-$1.75 Q1 2017 Production (k tonnes) Q1 2017 C1 cash cost3,4,5 ($/payable lb produced) Q1 2017 All-In Cost3,4,5 ($/payable lb produced) 5.5 $2.05 $2.10 By-products Au, Ag

Open Pit & Underground Mine in Yukon, Canada

Minto Mine

2017 – mid 2020

Evaluating further deposits for re-inclusion into reserves, may support additional mine life beyond 2020

+2020

  • 1. ±5% 2. see news release dated January 16, 2017. 3. C1 Cash Cost and All-In Cost are Alternative Performance Measures. See Forward-Looking Statements and Cautionary Note for NI 43-101
  • information. 4. C1 cash cost per pound of payable copper produced is net of by-product credits and selling costs. All-In cost per pound of payable copper produced is C1 cash cost plus NSR and

production royalties, non-cash deferred revenue, all sustaining capital expenditures (including exploration and production-phase capitalized stripping), accretion of reclamation obligations and amortization of reclamation assets. 5. Operating costs are adjusted to exclude the cost of mining ore and waste which is not related to concentrate produced in the period; these costs are capitalized or inventoried in the financial statements, and then expensed when the associated ore is processed.

Mining of additional open pit (Area 2 Stage 3) underway; At current copper prices, anticipate continuation of operations until mid-2020

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Santo Domingo Provides Future Growth Potential

Permittable project provides upside optionality

  • Copper-only project
  • Potential for shared

infrastructure

  • Exploration potential
  • n Santo Domingo

land

Evaluating Alternatives

Copper Development Project in Region III, Chile

  • Superior infrastructure
  • Approved EIA and Port Concession
  • Submitting applications for long lead permits
  • Owned 70% Capstone; 30% Korea Resources Corporation (KORES)

Manto Verde (Audley)

Chañaral Diego de Almagro

Santo Domingo (CS) Radiss (Sumitomo) Sierra Norte (Alxar) Inca de Oro (PanAust)

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Santo Domingo – July 2014 Feasibility Study Summary

Summary of July 2014 FS1,2

Mine life (years) 18 Average annual production LOM Avg: 128M lbs Cu, 4.2 Mt Fe, 16 koz Au First 5 years: 248M lbs Cu, 3.3 Mt Fe, 35 koz Au

*Off-take agreements committed for 50% of Cu and Fe LOM

Planned throughput (tpd) LOM Avg: 60,500 First 5 Years: 65,000 Development capital $1.7B Investment return (after tax) IRR: 17.9%

(27.3% assuming $1B project debt or 60% leverage)

NPV @ 8% discount rate: $797M Payback: 4.2 years By-products Fe, Au

  • 1. Source: Santo Domingo Project; Region III, Chile; NI 43-101 Technical Report on Feasibility Study dated July 8, 2014, 100% basis. 2. The report was compiled by

AMEC’s Santiago office with an accuracy range of -10% to +15% for capital and operating costs. The estimates presented in the FS are current as of October 2013.

  • 3. C1 Cash Cost is an Alternative Performance Measure. C1 Cash Cost on a by-product basis includes iron and gold credits. See Forward-Looking Statements and

Cautionary Note for NI 43-101 information.

Estimated C1 cash cost3

By-product Basis (Cu) LOM Average ($/payable lb Cu): First 5 years ($/payable lb Cu): ($0.06) $0.49 Co-product Basis (Cu & Fe) LOM Average ($/payable lb Cu): LOM Average ($/payable t Fe): $1.50 $43.00

Metal Price Assumptions

Cu: $2.85/lb Fe: $1.31/dmtu ($85/t conc. @ 65% Fe) Au: $1,275/oz

Partnership & Funding Structure

  • KORES second largest

Capstone shareholder (10%)

  • KORES to participate in

arranging debt financing

65% Estimated Project Debt CS Equity KORES Equity

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Expected Free Cash Flow to Further Repay Debt

At March 31, 2017 ($M) Cash and cash equivalents $109.4 LESS: Long Term Debt $308.9 Net Debt $199.5 Total Net Debt / EBITDA 1.21:1 $72.0 $17.0 $32.0 $18.0 $5.0 Sustaining Development Total

2017 Capital Guidance ($M)

(including capitalized stripping in development costs)

Pinto Valley Cozamin

3 1

  • 1. Includes $30M of capitalized stripping at Pinto Valley. 2. Reflects capitalized brownfield exploration. 3. Does not include $5M budgeted as an

expense for greenfield exploration.

2

Approximately 50% of H2 2017 production unhedged

  • Amended corporate RCF extends maturity two

years to 2021

  • Additional $10 million repaid subsequent to

quarter end

  • 2017 Price Protection (remaining as at March 31):

Collars for 36kt throughout 2017 at $2.28-$2.53/lb; Forward sales of 10.5kt at $2.22-$2.23/lb for settlement periods through June 2017

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Operating and Growth Strategy

Manage at the trough to take advantage of growth opportunities

  • 2. Robust organic growth potential
  • Significant mine life extension at Pinto Valley
  • Continuation of operations at Minto and zinc potential at Cozamin
  • Increasing optionality on Santo Domingo project
  • Prudently progressing exploration
  • Criteria for acquisition - low-risk, mining-friendly jurisdictions,

base metal asset in or near production where we can add value

  • 1. Maintain financial and operating flexibility
  • Optimize core operations
  • Continue to reduce debt
  • Maintain disciplined, balanced approach
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2017 and beyond

Capstone Is Well-Positioned For The Future

Significant leverage to rising copper market

  • Financial Flexibility

Significant exposure to copper price in H2 2017; free cash flow intended to further de-lever balance sheet

  • Pinto Valley

Significant mine life extension with focus on optimization, cost efficiencies and expansion opportunities

  • Cozamin

Exploration upside and zinc potential

  • Minto

At current copper prices, anticipate continuation of operations until mid-2020, potential beyond 2020

  • Internal Growth Portfolio

Increasing Santo Domingo and exploration optionality for future organic growth

  • History of opportunistic growth and successful integration

Experienced team with demonstrated ability to finance, construct, expand, optimize and integrate

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Appendix

1. Board of Directors 2. Senior Management Team 3. Financial & Operating Results 4. Amended Revolving Credit Facility 5. C1 Cash Costs 6. Mine Cost Breakdown 7. Historical Operating and Financial Performance 8. Historical Operating and Financial Performance cont’d 9. History of Pinto Valley Mine 10. Minto Mineral Reserve and Mineral Resource Areas 11. Minto Mineral Resources and Underground Development 12. Providencia Exploration Project 13. Track Record of Growth in Mineral Resource Base 14. Consolidated Mineral Reserve Estimate 15. Consolidated Mineral Resource Estimate 16. Consolidated Mineral Resource Estimate cont’d 17. Notes on Consolidated Mineral Reserve and Resource Estimates 18. NI 43-101 Information

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Board of Directors

Name Experience George Brack - Non-Executive Chairman Mining and investment banking, former industry head of Scotia Capital and former President and CEO of Macquarie North America. Current Director of Silver Wheaton, Timmins Gold and Geologix. Bob Gallagher Former President & CEO of New Gold and Peak Gold and current director of New Gold; previously with Placer Dome and Newmont. Jill Gardiner Former Managing Director and Regional Head (BC) for RBC Capital Markets. Director of Capital Power, Parkbridge Lifestyle Communities and SilverBirch Hotels. Former Chair of Turquoise Hill Resources. Soon Jin Kwon Director & COO of KORES Canada Corporation. Kalidas Madhavpeddi Advisor to China Molybdenum, former Senior VP Business Development of Phelps Dodge. Current Director and Chair of Compensation Committee of NovaGold Resources. Dale Peniuk - Audit Committee Chairman Former Partner with KPMG. Director & Audit Committee Chair of Lundin Mining and Argonaut Gold. Darren Pylot - President, CEO & Director Founder of Capstone Mining. Richard Zimmer Former President & CEO of Far West Mining, previously with Teck and Bow Valley Industries. Current Director of Alexco Resources.

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Senior Management Team

Name Experience Years Experience Years Mining Experience Darren Pylot, President, CEO & Director Founder of Capstone Mining 23 23 Jim Slattery, Senior VP & CFO Former CFO of Inmet Mining, Wescast Industries and Canadian General Tower 36 12 Gregg Bush, Senior VP & COO Former COO of Minefinders, Mine GM & Operations of Barrick/Placer Dome, 12 years in Chile 33 33 Brad Mercer, Senior VP Exploration Formerly with Sherwood Copper, Miramar Mining, Royal Oak and US Borax 33 33 Cindy Burnett, VP Investor Relations Formerly with Western Lithium, Skye Resources, Ivanhoe Energy and Nova Chemicals 38 9 Jason Howe, VP Corporate Development Co-founder & former CFO of Silverstone Resources. Formerly with PricewaterhouseCoopers LLP 23 13 Wendy King, VP Legal, Risk & Governance Former Sr. VP General Counsel, Government Relations, Chief Compliance Officer and Corporate Secretary with Central 1 Credit Union and Weyerhaeuser Company 21 4 Gillian McCombie, VP Human Resources Formerly with Placer Dome, Hunter-Dickinson and TELUS 21 17

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Financial & Operating Results

  • 1. These are Alternative Performance Measures. See Forward-Looking Statements and Cautionary Note for NI 43-101 information. *Q1 2017 includes a provisional pricing

adjustment of $5.2 million (2016 – negative $5.6 million) related to prior shipments, equivalent to $0.11 per pound (2016 – $(0.09) per pound) of copper sold during the quarter. ** Q1 2017 adjusted realized copper price includes the provisional pricing adjustments noted above and realized loss of $13.9 million (2016 gain – $9.6 million) equivalent to $(0.29) per pound (2016 gain - $0.16 per pound) related to copper derivative contracts exercised during the quarter.

Q1 2017 Q1 2016

Revenue ($M) 128.0 126.2 Copper produced (tonnes) 20,950 24,547 Payable copper produced (tonnes) C1 cash cost per payable pound produced1 ($/lb) All-in cost per payable pound produced1 ($/lb) Fully-loaded all-in cost per payable pound produced1 ($/lb) 20,230 1.98 2.64 2.80 23,694 1.72 2.23 2.36 Copper sold (tonnes) Realized copper price per pound sold ($/lb) * Adjusted realized copper price per pound sold ($/lb) ** C1 cash cost per payable pound sold1 ($/lb) All-in cost per payable pound sold1 ($/lb) Fully-loaded all-in cost per payable pound sold1 ($/lb) 21,582 2.68 2.44 1.69 2.31 2.46 27,985 2.19 2.35 1.77 2.22 2.33 Net loss ($M) Net loss attributable to shareholders ($M) Per common share ($) (7.4) (7.5) (0.02) (12.8) (12.7) (0.03) Adjusted net (loss)1 ($M) Adjusted net (loss)1 attributable to shareholders ($M) Per common share ($) (2.0) (2.1) (0.01) (1.5) (1.5) (0.00) Operating cash flow before changes in working capital1 ($M) Per common share ($) 24.2 0.06 18.9 0.05 Cash and cash equivalents ($M) 109.4 121.1 Net debt1 ($M) 199.5 228.2

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Senior Secured Amount $350M credit facility Maturity April 19, 2021 Interest Rate: Until March 31, 2019 After March 31, 2019 US LIBOR+2.5% (Adjustable to 3.5% depending on total leverage ratio) US LIBOR+3.0% (Adjustable to 4.5% depending on total leverage ratio) Payment Schedule Interest only Facility Reduction Schedule Annual $25M reduction on each anniversary to $275M on April 19, 2020 Covenants1 EBITDA/Interest Expense ≥ 2.5:1 (Mar. 31, 2017 actual was 10.96:1) Senior Secured Net Debt/EBITDA not more than 3.0:1 (Mar. 31, 2017 actual was 1.21:1) Total Net Debt/EBITDA not more than 4.0:1 (Mar. 31, 2017 actual was 1.21:1)

Amended Revolving Credit Facility

Provides financial flexibility

  • 1. EBITDA calculated on a trailing 12 month basis.
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C1 Cash Cost per payable pound produced1 Q1 2017

  • 1. C1 Cash Cost is an Alternative Performance Measure, which is net of by-product credits as well as treatment and selling costs.

$1.85 $1.98 $0.35 ($0.22)

$0.00 $0.50 $1.00 $1.50 $2.00 $2.50 Operating Costs Treatment & Selling Costs By-Product Credits C1 Cash Costs $/lb

Consolidated Total

$1.98 $2.18 $0.38 ($0.18)

$0.00 $0.50 $1.00 $1.50 $2.00 $2.50 Operating Costs Treatment & Selling Costs By-Product Credits C1 Cash Costs $/lb

Pinto Valley

$1.26 $1.33 $0.36 ($0.29)

$0.00 $0.50 $1.00 $1.50 $2.00 $2.50 Operating Costs Treatment & Selling Costs By-Product Credits C1 Cash Costs $/lb

Cozamin

$2.00 $2.05 $0.29 ($0.24)

$0.00 $0.50 $1.00 $1.50 $2.00 $2.50 Operating Costs Treatment & Selling Costs By-Product Credits C1 Cash Costs $/lb

Minto

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Q1 2017 Mine Cost Breakdown 1

  • 1. Cost of production in US$ for the 3 months ended as of March 31, 2017. Excluding by-product credits and TCRCs.

Pinto Valley Cozamin Minto

Salaries Contractors & Consultants Maintenance Diesel, Gas & Lubricants Power Consumables Minesite G&A

Consolidated 27% 21% 20% 9% 7% 12% 5% 21% 39% 19% 3% 8% 5% 5% 22% 45% 8% 8% 5% 9% 3% 25% 29% 17% 8% 7% 10% 4%

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Historical Operating and Financial Performance

Commencing in 2011, financial results in accordance with IFRS. 1. This is an Alternative Performance Measure. 2. Data prior to 2014 reflects C1 cash costs per payable pound produced. 38,691 33,022 35,879 35,834 45,405 103,901 87,521 110,450 21,582 20,000 40,000 60,000 80,000 100,000 120,000 2009 2010 2011 2012 2013 2014 2015 2016 Q1 2017

Copper Sold (tonnes)

$2.31 $3.42 $3.90 $3.66 $3.30 $3.03 $2.35 $2.27 $2.68 $0.00 $0.50 $1.00 $1.50 $2.00 $2.50 $3.00 $3.50 $4.00 2009 2010 2011 2012 2013 2014 2015 2016 Q1 2017

Realized Price/lb of Copper Sold ($)

$1.28 $2.02 $2.45 $2.16 $1.58 $1.14 $0.35 $0.74 $0.99 $0.00 $0.50 $1.00 $1.50 $2.00 $2.50 $3.00 2009 2010 2011 2012 2013 2014 2015 2016 Q1 2017 59% 59% 48% 63% 38% 55% 15% 33% 37%

Cash Margin/lb of Copper Sold2 ($)

$1.03 $1.40 $1.45 $1.50 $1.72 $1.89 $2.00 $1.53 $1.69 $0.00 $0.50 $1.00 $1.50 $2.00 $2.50 2009 2010 2011 2012 2013 2014 2015 2016 Q1 2017

C1 Cash Cost1 ($ per payable lb of Cu sold)

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Historical Operating and Financial Performance cont’d

Commencing in 2011, financial results in accordance with IFRS. 1. Includes deferred stripping at Minto and Pinto Valley. $0 $40 $80 $120 $160 2009 2010 2011 2012 2013 2014 2015 2016 Q1 2017 $142

Capital Additions1 ($M)

$59 $56 $85 $121 $123 Deferred Stripping Capital Additions $94 $71 $94 $75 $120 $114 $86 $199 $60 $157 $24 $0 $50 $100 $150 $200 $250 2009 2010 2011 2012 2013 2014 2015 2016 Q1 2017

Operating Cash Flow Before Changes in Working Capital ($M)

$19

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$0.00 $1.00 $2.00 $3.00 $4.00 $5.00 50 100 150 200 250

1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

Historical Cu Price (US$/lb) Historical Cu Production (mlbs)

PV Cu Production Average Cu Price

History of Pinto Valley Mine

Source: BHP Copper.

Pinto Valley Historical Production/Copper Prices

Mine Fleet $63.8 (33%) Processing $43.7 (22%) Owner Cost $27.1 (14%) Infrastructure $21.2 (11%) EPCM $14.2 (7%) SMARRCO $11.4 (6%) Contractors' Indirect $8.9 (5%) Mine $3.9 (2%)

2012 Re-start Capital Cost

  • BHP Billiton US$194M re-start capital incorporated lessons learned

from previous re-start

  • Acquired new mining fleet
  • Upgraded electrical and controls
  • Significantly improved plant conditions to HSEC standards
  • In-sourced mining

BHB placed PV on care and maintenance due to low copper prices PV production commenced by

  • wner Cities Service (formerly

Tennessee Corporation) PV acquired by Newmont subsidiary and placed PV on care and maintenance Newmont announced plans to restart PV BHB acquired PV BHB placed PV on care and maintenance due to low copper prices PV operations restarted BHB restarts PV Capstone acquires PV

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Minto Mineral Reserve & Mineral Resource Areas

>3% Cu over ≥5m >2% Cu over ≥5m >1% Cu over ≥5m >0.5% Cu over ≥5m All other drill holes >50 Deposit Area Exploration Corridor Fault All Weather Gravel Road Creeks and Streams Mineral Reserves & Resources Other Deposits Mining Complete

LEGEND

Mill Camp

N

500 meters

Minto North 2 Minto North Inferno Minto East 2 Minto South Minto Main Area 2/118 Copper Keel

A’ A

Wildfire/ Copper Keel NE Minto East

Key Points

  • Current Mineral Resource/Reserve

has a 3.5 km strike length

  • Other underground geophysical and

geological targets exist

Ridgetop

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Minto Mineral Resources & Underground Development

Mineral Reserves and Resources

Minto Main Copper Keel Minto East Wildfire

N S

Minto East 2

Mining Complete

Minto North 2

500masl 1000masl

Ridgetop Minto North Area 2 OP/UG 118 OP/UG

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Providencia Exploration Project – Region II, Chile

Metallogeny

  • 1. Jurassic IOCG (Iron Oxide Copper Gold) Deposits
  • Mantoverde
  • Santo Domingo
  • Julia Reventon
  • 2. Cretaceous Manto & Porphyry Deposits
  • Candelaria
  • Mantos Blancos
  • La Casualidad
  • Tersa de Colmo
  • Franke
  • Altamira
  • 3. Cretaceous – Paleocene Porphyry Deposits
  • Spence
  • Virgo – Sierra La Overa

Three copper discoveries since 2014

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Proven Track Record of Growth in Mineral Resource Base

  • 1. Includes Mineral Resources and Reserves as reported in Annual Information Forms for each respective year. 70% share of Santo Domingo Mineral

Resources as at August 31, 2012 and Mineral Reserves as at May 2, 2014. Kutcho as at Dec. 31, 2010. See Forward-Looking Statements and Cautionary Note for NI 43-101 information

Santo Domingo

Cu tonnes in Mineral Reserves1 Per Share Cu tonnes/share (basic)

Pinto Valley

0.000 0.004 0.008 0.012 0.016 0.020 2008 2009 2010 2011 2012 2013 2014 2015 2016

Cu tonnes in M&I Mineral Resources1 Per Share Cu tonnes/share (basic)

1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 2008 2009 2010 2011 2012 2013 2014 2015 2016

Pinto Valley SD Kutcho Minto Cozamin

500 1,000 1,500 2,000 2,500 3,000 2008 2009 2010 2011 2012 2013 2014 2015 2016

Pinto Valley SD Kutcho Minto Cozamin

Thousands (tonnes) Cu tonnes in Mineral Reserves1 Cu tonnes in M&I Mineral Resources1 Thousands (tonnes)

0.001 0.002 0.003 0.004 0.005 0.006 0.007 2008 2009 2010 2011 2012 2013 2014 2015 2016

1,101% 874% 303% 286%

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30

Consolidated Mineral Reserve Estimate

See corresponding Notes on Consolidated Mineral Reserve Estimate at the end of this presentation.

MINERAL RESERVES CONTAINED METAL

Category kt Cu Zn Pb Mo Ag Au Fe Cu Zn Pb Mo Ag Au Fe6 % % % % g/t g/t % kt kt kt kt koz koz Mt Pinto Valley1 Proven 332,489 0.33

  • 0.009
  • 1,090
  • 31
  • 31-Dec-16

Probable 122,759 0.25

  • 0.008
  • 312
  • 9
  • Total

455,248 0.31

  • 0.009
  • 1,402
  • 41
  • Cozamin2

Proven 267 1.61 0.73 0.17

  • 44
  • 4

2

  • 380
  • 31-Dec-16

Probable 4,053 1.75 0.65 0.14

  • 44
  • 71

26 6

  • 5,798
  • Total

4,320 1.74 0.66 0.14

  • 44
  • 75

28 6

  • 6,178
  • Minto3

Proven 489 1.42

  • 6

0.41

  • 7
  • 92

6

  • 31-Dec-16

Probable 3,429 1.71

  • 5

0.65

  • 59
  • 563

72

  • Total

3,919 1.67

  • 5

0.62

  • 65
  • 655

78

  • Santo Domingo4

(100%) Proven 65,300 0.61

  • 0.08

30.9 398

  • 170

8 02-May-14 Probable 326,400 0.24

  • 0.03

27.6 783

  • 336

67 Total 391,700 0.30

  • 0.04

28.2 1,175

  • 506

75 Kutcho5 Probable 10,441 2.01 3.19

  • 35

0.37

  • 210

333

  • 11,618

124

  • 15-Feb-11

Total 10,441 2.01 3.19

  • 35

0.37

  • 210

333

  • 11,618

124

  • TOTAL MINERAL RESERVES

2,927 361 6 41 18,451 709 75

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31

Consolidated Mineral Resource Estimate

See corresponding Notes on Consolidated Mineral Resource Estimate at the end of this presentation.

MINERAL RESOURCES – Inclusive of Mineral Reserves CONTAINED METAL

Category kt Cu Zn Pb Mo Ag Au Fe Cu Zn Pb Mo Ag Au % % % % g/t g/t % kt kt kt kt koz koz Pinto Valley1 Measured 627,288 0.34

  • 0.008
  • 2,120
  • 50
  • 31-Dec-2016

Indicated 773,652 0.26

  • 0.006
  • 1,994
  • 46
  • M&I 1,400,940

0.29

  • 0.007
  • 4,114
  • 97
  • Inferred

126,250 0.25

  • 0.005
  • 312
  • 6
  • Cozamin2

Copper Zones (San Roberto and Mala Noche Footwall) 31-Dec-2016 Measured 688 2.03 0.91 0.16

  • 52
  • 14

6 1

  • 1,155
  • Indicated

5,945 1.97 1.14 0.21

  • 54
  • 117

68 13

  • 10,304
  • M&I

6,633 1.97 1.12 0.21

  • 54
  • 131

74 14

  • 11,459
  • Inferred

9,622 1.17 1.49 0.17

  • 39
  • 113

144 16

  • 12,017
  • Zinc Zone (San Rafael)

Indicated 1,091 0.30 4.47 0.56

  • 47
  • 3

49 6

  • 1,649
  • Inferred

1,441 0.20 4.14 0.47

  • 43
  • 3

60 7

  • 1,991
  • Minto3

Measured 5,707 1.09

  • 3

0.36

  • 62
  • 592

66 31-Dec-2016 Indicated 25,211 1.17

  • 4

0.44

  • 295
  • 3,098

353 M&I 30,918 1.15

  • 4

0.42

  • 357
  • 3,690

418 Inferred 16,223 0.93

  • 3

0.28

  • 150
  • 1,470

147

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32

Consolidated Mineral Resource Estimate cont’d

See corresponding Notes on Consolidated Mineral Resource Estimate at the end of this presentation.

MINERAL RESOURCES – Inclusive of Mineral Reserves CONTAINED METAL

Category kt Cu Zn Pb Mo Ag Au Fe Cu Zn Pb Mo Ag Au % % % % g/t g/t % kt kt kt kt koz koz Santo Domingo4 Measured 64,800 0.62

  • 0.08

31.2 402

  • 171

(100%) 31-Aug-2012 Indicated 449,000 0.27

  • 0.03

25.0 1,212

  • 491

M&I 513,000 0.31

  • 0.04

25.8 1,590

  • 660

Inferred 58,100 0.20

  • 0.03

24.3 116

  • 49

Kutcho5 Measured 5,421 2.15 2.86

  • 31

0.34

  • 116

155

  • 5,482

59 15-Feb-2011 Indicated 5,859 2.24 3.67

  • 42

0.45

  • 131

215

  • 7,831

84 M&I 11,280 2.19 3.28

  • 37

0.39

  • 248

370

  • 13,313

143 Inferred 1,090 1.74 2.04

  • 31

0.35

  • 19

22

  • 1,077

12

TOTAL MEASURED & INDICATED MINERAL RESOURCES 6,443 493 20 97 30,111 1,221 TOTAL ADDITIONAL INFERRED MINERAL RESOURCES 713 225 23 6 16,555 207

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Notes: Consolidated Mineral Reserve Estimate

NOTES: Mineral Reserves take into account mining activities (where applicable) until January 1, 2017. Gregg Bush, P.Eng., Senior Vice President and Chief Operating Officer at Capstone, is the Qualified Person for the disclosure of Capstone's consolidated Mineral Reserves table. Rounding as required by reporting guidelines may result in apparent summation differences between tonnes, grade and contained metal content. All Mineral Reserve estimates are inclusive of dilution and mining recovery factors. Contained ounces (oz) are troy ounces. COG is cut-off grade. NSR is net smelter return. All amounts in US$ unless otherwise specified. Stockpiled material is treated as Proven Mineral Reserves. See Technical Reports filed under Capstone’s profile on SEDAR for further information.

  • 1. John Marek, PE, SME-RM, of Independent Mining Consultants, Inc., is an independent Qualified Person responsible for the preparation of the Mineral Reserves estimate disclosed in the Pinto Valley Mine Life Extension
  • Phase 3 (PV3) Pre-Feasibility Study NI 43-101 Technical Report, with an effective date of January 1, 2016. Economic inputs to the block model were USD$2.75/lb per pound copper, USD$12.75/lb Molybdenum. For the

purposes of reporting mineral reserves going forward from January 1, 2017, an average cut-off grade of 0.175% Cu has been used, as it closely approximates the variable 0.17-0.18% Cu cut-off presented in the PV3 Pre- Feasibility NI 43-101 Technical Report. Proven mineral reserves include 282 kt of stockpiled material. Calculation of mine depletion during 2016 was overseen by Patricia Maloney, SME-RM, Superintendent of Mine Engineering at Pinto Valley, and a Qualified Person as defined by NI 43-101.

  • 2. Diego Airo, P.Eng., Senior Mining Engineer at Capstone, is the Qualified Person responsible for the mineral reserves estimates of the San Roberto and Mala Noche Footwall zones, with an effective date of December 31,
  • 2016. Metal prices used in the San Roberto and MNFW zone reserve estimated for copper, silver, zinc, and lead, respectively, are $2.50/lb, $20/oz, $1.00/lb, and $0.90/lb. Processing recoveries were Cu=94%, Ag=72%,

Zn=70%, Pb=70%. The exchange rate used is MEX19.00 to US$1.00. Contribution from Pb was not considered because remaining reserves do not contain enough Pb to justify generating a concentrate. A NSR COG of $42.50/t was used for the San Roberto and MNFW zones.

  • 3. Pooya Mohseni, P.Eng., MBA, Mine Manager at Minto, and a Qualified Person supervised the preparation of the Mineral Reserves estimate of the Minto deposits. The Mineral Reserves estimates for MSD underground

deposits (Area 2/118 underground and Copper Keel underground) and Minto East underground have an effective date of December 31, 2016. The Area 2 open pit mineral reserves have an effective date of December 31,

  • 2015. Metal Price assumptions used to calculate the COG for all deposits are: Cu=$2.50, Au=$300, Ag=$3.90. Processing recoveries for all deposits are: Cu=91%, Au=70%, Ag=78%. Open pit mineral reserves are reported

above 0.5% Cu COG. Underground mineral reserves are reported above a 1.2% Cu COG. Calculation of mine depletion during 2016 was overseen by Kevin Cymbalisty, P.Eng., Chief Engineer at Minto, and a Qualified Person as defined by NI 43-101.

  • 4. Santo Domingo Project Mineral Reserves shown on 100% basis (Capstone’s share is 70%). Carlos Guzman, FAusIMM, CMC, of NCL Ingeniería y Construcción SpA, is the independent Qualified Person responsible for the

preparation of the Mineral Reserves estimate with an effective date of May 2, 2014. Mineral Reserves are reported as constrained within Measured and Indicated pit designs, and supported by a mine plan featuring variable throughput rates and cut-off optimization. The pit designs and mine plan were optimized using the following economic and technical parameters: metal prices of $2.75/lb Cu, $1,275/oz Au and $80/dmt of Fe concentrate; recovery to concentrate assumptions of a maximum of 93.6% for Cu and 75% for Au, with magnetite concentrate recovery varying on a block-by-block basis; copper concentrate treatment charges of $70/dmt, $0.07/lb of Cu refining charges, $5/oz of Au refining charges, $48/wmt and $3/wmt for shipping Cu and Fe concentrates respectively; waste mining cost of $1.53/t, mining cost of $1.53/t ore, and process and G&A costs of $7.84/t processed; average pit slope angles that range from 37.6º to 43.6º; a 2% royalty rate assumption, and an assumption of 100% mining recovery. There have been no mining activities at Santo Domingo since the release of the NI 43-101 Technical Report.

  • 5. Michael Makarenko, P.Eng., is an independent Qualified Person responsible for the preparation of the Kutcho Mineral Reserves estimate with an effective date of February 15, 2011. Mineral Reserves are reported

within 1.0% Cu grade shells used for stope design. There have been no mining activities at Kutcho since the release of the NI 43-101 Technical Report.

  • 6. Fe as magnetite concentrate (Fe304)
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Notes: Consolidated Mineral Resource Estimate

NOTES: Mineral Resources take into account mining activities (where applicable) until January 1, 2017. Jeremy Vincent, P.Geo., Manager of Production and Development Geology at Capstone, is the Qualified Person responsible for the disclosure of Capstone's consolidated Mineral Resources table. Mineral Resources that are not Mineral Reserves do not have demonstrated economic viability. Mineral Resources are reported inclusive of the Mineral Reserves. All Mineral Resources are exclusive to dilution and mining recovery factors. Rounding as required by reporting guidelines may result in apparent summation differences between tonnes, grade and contained metal content. Contained ounces (oz) are troy ounces. COG is cut-off grade. NSR is net smelter return. M&I = Measured & Indicated. All amounts in US$ unless otherwise specified. Stockpiled material is treated as Measured Mineral Resources. See Technical Reports filed under Capstone’s profile on SEDAR for further information.

  • 1. Garth Kirkham, P.Geo., FGC, of Kirkham Geosystems Ltd., is an independent Qualified Person responsible for the preparation of the Mineral Resources estimate disclosed in the Pinto Valley Mine Life Extension -Phase

3 (PV3) Pre-Feasibility Study NI 43-101 Technical Report, with an effective date of January 1, 2016. Mineral resources are presented above a 0.17% Cu cut-off. Calculation of mine depletion during 2016 was overseen by Jeremy Vincent, P.Geo. Small increases in Indicated and Inferred tonnage as at December 31, 2016 in comparison to the resources stated as at January 1, 2016 are due to subtle reporting differences in the modelling software packages used at Pinto Valley and by Kirkham Geosystems Ltd. This difference is not material. Measured Mineral Reserves include 282 kt of stockpiled material.

  • 2. Jeremy Vincent, P.Geo., is the Qualified Person responsible for the preparation of the mineral resource estimates for the San Roberto, Mala Noche Footwall, and San Rafael zones, with an effective date of March 31,
  • 2016. The Mineral Resources of the San Roberto and MNFW zones are reported above a NSR of $35/t using respective metal prices for copper, silver, zinc, and lead of $2.50/lb, $20.00/oz, $1.00/lb, and $0.90/lb.

Processing recoveries used to calculate the NSR COG are based on historical site operating experiences reflecting recoveries of: Cu=94%; Ag=72%; Zn=70%; Pb=70%. Contribution from Pb was not considered because remaining reserves do not contain enough Pb to justify generating a concentrate. Exchange rate assumed is MEX19 to US$1.00. For the San Rafael resource estimate, the NSR formulae applied in 2014 were maintained, and were based on a head grade containing greater or less than 0.5% Cu. San Rafael mineral resources were reported above a NSR $35/t cut-off using respective metal prices for copper, silver, zinc, and lead of $2.50/lb, $20.00/oz, $0.80/lb, and $0.85/lb. Processing recoveries of: Cu=41%, Ag=32%, Zn=84%, and Pb=65%. Exchange used assumed is MEX12.50 to US$1.00. No mining has been undertaken in the San Rafael zone since 2009.

  • 3. Douglas McIlveen, P.Geo., Chief Geologist at Minto, is the Qualified Person responsible for the disclosure of the Minto Mine Mineral Resources taking into account ongoing mine production. Garth Kirkham, P.Geo.,

FGC, of Kirkham Geosystems Ltd., is an independent Qualified Person responsible for the preparation of the Mineral Resources estimates for the Minto North and Minto East 2 areas. The drilling data cut-off date for Minto North of December 1, 2009. The Minto East 2 area was re-esimated with an effective date of May 31, 2015. Jeremy Vincent, P.Geo., is the Qualified Person responsible for the Minto East resource estimate with an effective date of June 30, 2016. Dr. Wayne Barnett, Ph.D., P.Geo., of SRK Consulting (Canada) Inc., is an independent Qualified Person responsible for the preparation of the Mineral Resources estimate at Ridgetop that takes into account drill hole data until August 2010, and the MSD deposit, which includes the Area 2/118, Wildfire, and Copper Keel areas. The MSD Mineral Resource estimate has an effective date of May 31, 2015. Minto North and Ridgetop areas are amenable to open pit extraction. Area 2/118 and Wildfire areas are amenable to open pit and underground mining, while Minto East, Minto East 2, and Copper Keel areas are suitable for underground mining. Mineral Resources are reported above a 0.5% Cu COG for open pit resources and above a 1.0% Cu cut-off for underground resources. Measured resources contain 489 kt of stockpiled material.

  • 4. Santo Domingo Project Mineral Resources shown on 100% basis (Capstone’s share is 70%). David Rennie, P.Eng., of Rosco Postle Associates Inc. and an independent Qualified Person responsible for the preparation of

the Mineral Resources estimates for the Santo Domingo Sur, Iris, and Iris Norte deposits, which have an effective date of August 31, 2012. Mineral Resource estimates for the Estrellita deposit have an effective date of October 30, 2007. Mineral Resources for the Santo Domingo Sur, Iris, and Iris Norte deposits are reported using a COG of 0.25% copper equivalent (CuEq). CuEq grades are calculated using average long term prices of US$3.50/lb Cu, US$1,500/oz Au and US$1.94/dmtu Fe (US$120/dmt conc. at 62% Fe). The CuEq equation is: Metal Value = Grade*Cm*R%/100*(Price-TCRC-Freight)*(100-Royalty)/100, where Cm is a constant to convert grade of metal to metal price units; R is metallurgical recovery and %Cu Equivalent = (Cu Value + Au Value + Fe Value)/(Cu Value per 1%Cu). An assessment of reasonable prospects for economic extraction for the Santo Domingo Sur, Iris, and Iris Norte deposits was performed using a Lerchs–Grossman pit shell that has the following assumptions: pit slopes averaging 45°; mining cost of US$1.19/t, processing cost of US$ 4.49/t; processing recovery of 85%; selling price of US$2.25/lb, and a selling cost of US$0.247/lb. At the 0.25% CuEq cut-off, all but 5% of the Mineral Resources were captured by the pit shell. On the basis of this result, it was concluded that there was little merit in restricting the Mineral Resources to those blocks contained only within the pit shell. Accordingly, the Mineral Resource inventory was reported in its entirety. Mineral Resources for the Estrellita deposit are reported using a 0.3% Cu COG.

  • 5. Garth Kirkham, P.Geo, FGC, is an independent Qualified Person responsible for the preparation of the Mineral Resources estimates with an effective date of February 15, 2011. Mineral Resources are reported above a

1.5% Cu COG.

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35 35

Unless otherwise indicated, Capstone has prepared the technical information in this presentation (“Technical Information”) based on information contained in the technical reports and news releases (collectively the “Disclosure Documents”) available under Capstone Mining Corp.’s company profile on SEDAR at www.sedar.com. Each Disclosure Document was prepared by or under the supervision of a qualified person (a “Qualified Person” or “QP”) as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects of the Canadian Securities Administrators (“NI 43-101”). For readers to fully understand the information in this presentation, they should read the Technical Reports (available on www.sedar.com) in their entirety, including all qualifications, assumptions and exclusions that relate to the information set out in this presentation which qualifies the Technical Information. Readers are advised that mineral resources that are not mineral reserves do not have demonstrated economic viability. The Disclosure Documents are each intended to be read as a whole, and sections should not be read or relied upon out of context. The Technical Information is subject to the assumptions and qualifications contained in the Disclosure Documents. The technical information in this presentation has been prepared in accordance with Canadian regulatory requirements set out in National Instrument 43-101 Standards of Disclosure for Mineral Projects of the Canadian Securities Administrators ("NI 43-101") and reviewed and approved by Gregg Bush, P.Eng., Senior Vice President and Chief Operating Officer for Capstone Mining. Technical Information related to mineral exploration activities has been reviewed and approved by Brad Mercer, P. Geol., Senior Vice President, Exploration. Both are QP’s under NI 43-101. This presentation summarizes some of the information disclosed in the Pinto Valley Mine Life Extension – Phase 3 (PV3) Pre-Feasibility Study Technical Report dated February 23, 2016. The following QP’s authored the technical report: Gregg Bush, P.Eng of Capstone Mining Corp., Garth Kirkham, P.Geo. of Kirkham Geosystems Ltd., John Marek P.E. of Independent Mining Consultants, Inc., Ken Major, P.Eng. of KWM Consulting Inc., Tony Freiman, P.E. of Amec Foster Wheeler Environment & Infrastructure Inc. and Cori Hoag C.P.G. of SRK Consulting (U.S.), Inc. This presentation summarizes some of the information contained in the NI 43-101 Technical Report on the Cozamin Mine, Zacatecas, Mexico dated July 31 , 2014. The following QP’s were responsible for the preparation of their relevant portions of the Technical Report: Patrick Andrieux, PhD., P.Eng. (Itasca Consulting Group. Inc), Dave Hallman, PE (Tetra Tech, Inc), Jenna Hardy, P.Geo. (Nimbus Management Ltd.), Mel Lawson, SME-RM (Stantec Consulting International LLC), Ken Major, P.Eng. (KWM Consulting Inc.), Vivienne McLennan, P.Geo. (Capstone Mining Corp.), Allan Schappert, SME-RM (Stantec Consulting International LLC), Ali Shahkar, P.Eng. (Lions Gate Geological Consulting Inc.), Robert Sim, P.Geo. (Sim Geological Inc.), Brad Skeeles, P.Eng. (formerly with Capstone Mining Corp.), and Jeremy Vincent, P.Geo. (Capstone Mining Corp.). This presentation summarizes some of the information contained in the Minto Phase VI Preliminary Feasibility Study Technical Report dated July 31, 2012. Qualified Persons under National Instrument 43-101 responsible for this report: John Sagman, BASc., P.Eng., PMP, Wayne Barnett, Pr.Sci.Nat., SRK Consulting (Canada), Inc., John Eggert, P.Eng, Eggert Engineering Ltd; Bruce Murphy, P.Eng., SRK Consulting (Canada), Inc.; Bill Hodgson, P.Eng., Genivar Inc.; Garth Kirkham, P. Geo, Kirkham Geosystems Ltd; Michael Levy, PE, SRK Consulting (Canada), Inc.; Brad Mercer, P.Geol. Capstone Mining Corp.; Pooya Mohseni, P.Eng., Minto Exploration; Marek Nowak, P.Eng., SRK Consulting (Canada) Inc.; and Colleen Roche, P.Eng., Capstone Mining Corp. who are responsible for certain sections of the PFS as detailed in the PFS. This presentation summarizes some of the information contained in the Santo Domingo Project; Region III, Chile; NI 43-101 Technical Report on Feasibility Study dated July 8, 2014, 100% basis. The following QP’s were responsible for the preparation of their relevant portions of the Technical Report based on the Feasibility Study: David Frost, F.AusIMM (AMEC Ingeniería y Construcción Ltda.), Hans Gopfert, P.Eng (AMEC Ingeniería y Construcción Ltda.), Joyce Maycock, P. Eng (AMEC Ingeniería y Construcción Ltda.), Vikram Khera, P. Eng (AMEC Ingeniería y Construcción Ltda.), Anna Klimek, P.Eng (AMEC Ingeniería y Construcción Ltda.), Roy Betinol, P.Eng. (BRASS Chile S.A.) -- Seawater and Magnetite Concentrate Pipeline System, Carlos Guzmán, F.AusIMM (NCL Ingeniería y Construcción Ltda.) -- Mineral Reserve Model, Mine Equipment and Mine Development , Tom Kerr, P.Eng. (Knight Piésold S. A.) - Tailings Storage Facility, David Rennie, P. Eng (Roscoe Postle Associates Inc.) -- Mineral Resource Model. The technical information in the July 8, 2014 report was reviewed by Court Muggli, P.E., formerly Project Director, Capstone Mining Corp., and Gregg Bush, P. Eng., Senior Vice President and Chief Operating Officer, Capstone Mining Corp., both QP’s under NI 43-101.

Compliance with NI 43-101

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For additional information, please visit capstonemining.com

  • r contact us at:

Phone: +1-604-684-8894 Toll Free: 1-866-684-8894 Email: info@capstonemining.com

Updated April 26, 2017