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AN EMERGING GROWTH STORY Corporate Presentation December 2019 - - PowerPoint PPT Presentation

AN EMERGING GROWTH STORY Corporate Presentation December 2019 Cautionary Notes CAUTIONARY NOTE ON FORWARD LOOKING INFORMATION COMPLIANCE WITH NI 43-101 This presentation, and the documents incorporated by reference herein, may contain


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SLIDE 1

AN EMERGING GROWTH STORY

Corporate Presentation – December 2019

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SLIDE 2

CAUTIONARY NOTE ON FORWARD LOOKING INFORMATION

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 Mining Corp. (“Capstone” or 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 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

  • f mineral reserve estimates, the timing and amount of estimated future production, costs of 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”,

“guidance”, “scheduled”, “estimates”, “forecasts”, "future state", “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 such as “expects”, “approximately”, “could”, “expects”, “target”, “targeting”, “guidance”, “potential”, “extended”, “convert”, “will”, “plan” and “expected”. By their very nature, forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause

  • ur 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 and closure of mining projects, 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, foreign currency exchange rate fluctuations, changes in general economic conditions, accuracy of mineral resource and mineral reserve estimates,

  • perating 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 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 MD&A 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.

COMPLIANCE WITH NI 43-101

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 NI 43-101 and reviewed and approved by Brad Mercer, P. Geol., Capstone's Senior Vice President, Operations and Exploration, a Qualified Person as defined in NI 43-101.

ALTERNATIVE PERFORMANCE MEASURES

“C1 cash cost”, “cash cost”, “adjusted EBITDA”, “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 operations. These performance measures do not have a standard meaning within IFRS and, therefore, amounts presented 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 in accordance with IFRS. For full information, please refer to the Company’s latest Management Discussion and Analysis published on its Financial Reporting webpage or on SEDAR.

CURRENCY

All amounts are in US$ unless otherwise specified.

FOOTNOTES

Refer to the FOOTNOTES slide for all references throughout this presentation.

Cautionary Notes

CAPSTONE MINING (TSX:CS) • 2

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SLIDE 3

Near-term target in 2021

  • 20% production growth to ~180 MIbs per year post-Cozamin

expansion and Pinto Valley mill modernization project

  • C1 costs1 10% lower to ~$1.60 to $1.65 per pound

Medium-term expansion capability

  • PV4 study to tap into over one billion tonnes of Resources outside

the Reserve at Pinto Valley2

Unlocking value at Santo Domingo (CS 70%)

  • Strategic process underway – after tax NPV US$1.0B, IRR 22%3

Step change NAV through ongoing exploration excellence

  • Exploration successes have driven outstanding NAV creation

Strong balance sheet and cost cutting positions us to execute on growth initiatives

Investment Highlights: An Emerging Growth Story

CAPSTONE MINING (TSX:CS) • 3

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SLIDE 4

Maximize value of existing assets

  • Continued exploration

excellence

  • Cozamin expansion1
  • Mill modernization at

Pinto Valley1

  • PV4 expansion study1

Generate free cash flow at all points in the copper cycle

  • Cozamin Tier 1 asset
  • Pinto Valley transitions to a

lower cost mine

  • Ongoing cost reduction

program1

Peer leading mid-tier copper growth company with a solid balance sheet to execute

Capstone Strategy

CAPSTONE MINING (TSX:CS) • 4

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SLIDE 5

CORPORATE

  • $120M total net cash repayments to long-term debt1 since Jan 1/17
  • Annualized cost savings of $26M achieved to date, targeting $25-$30M

PINTO VALLEY

  • 20192 copper production of 115-125 Mlbs at C1 cash cost of $2.10-$2.25
  • Low Capex, one year payback mill optimization project to boost throughput by 5 ktpd to ~56 to 57

ktpd and lower C1 costs1

  • Remaining mine life3 of 21 years; PV44 expansion study looking to tap into Measured and Indicated

Resource of over 1.3 billion tonnes3 at similar 0.30% Cu grades

COZAMIN

  • 20192 copper production of 30-35 Mlbs at C1 cash cost of $0.90-$1.05; higher grades coupled with

30% higher mining rates to result in 50-55 Mlbs per year plus 1.4-1.5 Moz of silver by early 20214

  • Current reserve life5: 5+ years, targeting mine life to ~2030, updated mine plan expected in Q4 2020
  • Free cash flow >$450M since 20076; targeting higher free cash flow in the next decade

SANTO DOMINGO (70% Capstone)

  • Fully permitted, large scale copper-iron ore-gold project with additional cobalt by-product upside
  • 18 year mine life, 22% IRR, $1.0B after-tax NPV project, <3 year payback7

Capstone: Overview

CAPSTONE MINING (TSX:CS) • 5

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SLIDE 6

UNDERPINNED BY ONE BILLION TONNES OF RESOURCES1 NOT IN RESERVE

Source: Bing maps and boundaries are approximated

Pinto Valley: Sustainable Benefits for Multiple Generations

CAPSTONE MINING (TSX:CS) • 6

  • Pinto Valley is the only operating mine in this

historic mining district

  • Investing in the mine today for future

generations to reap the rewards

  • A Measured and Indicated Resource1 base

that has the potential to create long-term sustainable benefits for multiple generations

  • Total economic impact in Arizona:

>$270 million per year

  • 580 FT employees and 50 FTE contractors,

second largest employer in Globe-Miami area

Carlota (KGHM) Pinto Valley Miami (FCX) Copper Cities (BHP) Miami (BHP) Old Dominion (BHP)

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SLIDE 7

PV3 mine life to 2039

  • Total Reserve Estimate1 of 408 million tonnes grading at 0.31%

copper

Mill modernization

  • Capital investment of ~$15M in 2020, with a one year payback to

improve mill reliability, increase throughput and

  • verall performance

Sustainable cost savings

  • Targeting sustainable ~$15 to $20 million per year, using 2018 as a

baseline; from contractors, power and consumables costs2

  • $13.5 million identified and achieved to date

PV4 evaluating long-term growth potential2

  • Measured and Indicated Resource estimate1 (inclusive of Reserves)
  • f over 1.33 billion tonnes at 0.30% copper
  • Assessing scenarios for potential mill expansions to 75,000 tonnes

per day to 95,000+ tonnes per day

LONG MINE LIFE, MULTI-GENERATIONAL ASSET

Pinto Valley: An Exciting Future

CAPSTONE MINING (TSX:CS) • 7

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SLIDE 8

PERFORMANCE HAS BEEN LIMITED BY CRUSHING AND BALL MILL CONSTRAINTS

Pinto Valley Mill Modernization Project

CAPSTONE MINING (TSX:CS) • 8

The Opportunity

80% of unscheduled downtime is due to issues in the fine crushing plant and ball mill circuits

The Fix

Replace three secondary crushers and screens, two mill shells, and install electrical upgrades

  • 2020 capex of US$15 million

The Business Case

  • Higher throughput in 2021 by 5 ktpd to ~56 to 57 ktpd
  • Lower power and maintenance costs
  • Improved recoveries
  • 1 year payback

Low Capex Intensity, High Impact Plan 1 Year Payback

Secondary crusher at Pinto Valley FLS Raptor 900 crusher 1970 Crushing Technology 2020 Crushing Technology

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SLIDE 9

AND THE BEST IS YET TO COME!

NOTE: Tax cash flows estimated using current and deferred tax expense. Included in 2007, 2009 and 2010 of $20M, $24M and $20M, respectively, are stream payments in cash and shares from WPM.

Cozamin Has Delivered Best In Class Returns

CAPSTONE MINING (TSX:CS) • 9

Cumulative free cash flow of

  • ver $450M since 2007

Expansion investments Acquisition $3.19

  • Avg. Cu $/lb:

$3.15 $2.34 $3.42 $3.84 $3.66 $3.30 $3.03 $2.35 $2.27 $2.86 $2.92 $2.80 $3.05 Total invested between 2006-2008 = $52 million

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SLIDE 10

CAPSTONE MINING (TSX:CS) • 10

GROWING INTO AN EVEN BETTER COPPER-SILVER MINE – THE BEST IS YET TO COME

The area shown in these figures represents only 9% of the total Cozamin Mine property.

Cozamin: High Grade, Low Cost

Copper % * Estimated True Width (m) Silver g/t * Estimated True Width (m)

Many of the best grade and width intercepts1 are outside of the current Mineral Reserve and Inferred Mineral Resource

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SLIDE 11

Open

Infill Surface 2020

S427 4.01% Cu TW 6.1m

Inferred Resources1 as

  • f October 24, 2018

Indicated Resources1 as

  • f October 24, 2018

Not in Resource Estimate

LEGEND:

Drilled holes2 Planned holes 2019 Planned surface holes 2020 Planned UG3 holes 2020

Infill UG 2020

Portree claimblock S426 3.15% Cu TW 12.2m S422 2.29% Cu TW 9.2m S418 3.98% Cu TW 8.4m S423 1.37% Cu TW 4.2m S429 1.49% Cu TW 18.5m S419 3.26% Cu TW 2.7m S428 4.55% Cu TW 2.7m S430 3.25% Cu TW 5.3m S433 1.27% Cu TW 24.6m S434 2.20% Cu TW 20.3m

1

2

3 5

6

7 8 9 10 11 12

13

14 15 16 17

18

19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35

Infill Surface and UG 2019

4

GOAL: TO EXTEND MINE LIFE BY AN ADDITIONAL 8 TO 10 YEARS

Select high grade infill holes from the December 2, 2019 exploration drill results news release.

2019/20 Infill Drilling Campaign – Organic Growth

CAPSTONE MINING (TSX:CS) • 11

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SLIDE 12

2019: Guidance

  • Copper production:

30-35 million lbs

  • C1 cash cost:

$0.90-$1.05

  • Capital expenditure:

$33.0 million

  • Exploration expenditure:

$6.0 million

2020: Development

  • One-way ramp, debottleneck

project completed

  • Large-scale ventilation project

completed

  • Infill drilling program to

delineate resources completed

  • Mining of San Rafael Zinc

zones depleted

2021+: Future State

  • Copper and silver head

grades increase

  • Annual production expected to increase to 50-55 Mlbs copper and 1.4-1.5 Moz silver
  • Sustaining capital decreases

accordingly towards end

  • f mine life

OVER 50% PRODUCTION IMPROVEMENTS WITH LESS THAN $5M CAPITAL INVESTED1

Cozamin: Future State

CAPSTONE MINING (TSX:CS) • 12

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SLIDE 13

Cities and Towns Mines Operating Ports Projected Ports

El Salvador Mine Caldera Copiapo Candelaria Tierra Amarilla Chañaral Diego de Almagro CNN Mine Manto Verde

Santo Domingo

Barquito Port Atacama Port Punta Caldera Port Punto Padrones

CHILE

Pipeline

Santo Domingo Port

Punto Totoralillo

 Permitted, large-scale, shovel-ready in a mining- friendly jurisdiction  Low altitude (~1,200m), ~100km from coast and near major infrastructure  Expected high availability of water supply from area desalination plants, also low power costs  Updated Feasibility Study in Q1 2020

2018 Technical Report Key Highlights1

Mine Life 17.9 years Throughput (tpd) 60,000 nominal average

Average Annual Production

First 5 Years LOM Copper 259M lbs. 134M lbs. Iron Concentrate 3.3M tonnes 4.2M tonnes Gold 34,700 oz. 17,000 oz. C1 Cash Cost2 per lb. Cu $0.47 $0.02

Economics3 (US$)

Project Capstone (70%) Initial Construction Capital $1.51B $1.06B NPV (after-tax, 8%) $1.03B $0.72B IRR (after-tax) 21.8% Payback period (after-tax) 2.8 years

Santo Domingo: A Rare First Quartile Project

CAPSTONE MINING (TSX:CS) • 13

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SLIDE 14

Current State

  • Shovel-ready today
  • Ownership:

Capstone 70%, KORES 30%

  • Capital requirements1 $1.5B,

NPV (8%) $1.03B

Additional NAV Levers

  • Publish updated NI 43-101:
  • Recovering battery-grade

cobalt

  • Infrastructure sharing
  • Improved gold recovery
  • Lower power costs

Future State

  • Ownership:

New partner(s) 50-100%, Capstone 0-50%

  • Lower capital requirements,

<$1.5B and improved IRR

SELECTING THE RIGHT PARTNER

Santo Domingo: Strategic Process

CAPSTONE MINING (TSX:CS) • 14

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SLIDE 15

CAPSTONE MINING (TSX:CS) • 15

A PIPELINE OF SIGNIFICANT NEWS FLOW TO FUEL SHARE PRICE OUTPERFORMANCE

Upcoming Catalysts

COZAMIN

Commencement of quarterly exploration update on infill resource and expansion drilling

SANTO DOMINGO

Strategic process update

PINTO VALLEY

Commence modernization

  • f crushing plant

SANTO DOMINGO

Updated NI 43-101, including recovering cobalt study results

COZAMIN

Vent raise development completed

PINTO VALLEY

PV3 permit expected for ADEQ and Dam Permit Modification

PINTO VALLEY

PV3 permit expected for Plan of Operations

PINTO VALLEY

PV4 study results

COZAMIN

Updated reserve and resource estimate with NI43-101 new mine plan One-way haulage loop development completed

COMPANY-WIDE TARGET

Production +20%, C1 costs -10%

COZAMIN

Production of 50-55 Mlbs copper and 1.4-1.5 Moz silver

Q4 2019 Q1 2020 Q2 2020 Q3 2020 Q4 2020 2021+

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SLIDE 16

COZAMIN MINE

(Acquired in 2006)

  • The mine was considered a sunset operation

two times and subsequent exploration success resulted in significant mine life extensions with high grades

  • Currently targeting a 10+ year mine life at 50%

expanded copper and silver output generating even better annual free cash flow than in the past MINTO MINE

(Acquired in June 2005, sold in June 2019)

  • More than tripled resource and reserves
  • Nine separate discoveries on a property that

was deemed well explored

CAPSTONE’S EXPLORATION TEAM WITH MAJOR LEAGUE RESULTS

Exploration Excellence Has Delivered Outstanding NAV Creation

CAPSTONE MINING (TSX:CS) • 16

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SLIDE 17

$2.22 $3.67 $3.90 $4.98 $9.63 $11.44 $16.62 $- $2.00 $4.00 $6.00 $8.00 $10.00 $12.00 $14.00 $16.00 $18.00 Capstone Taseko Copper Mountain Hudbay Lundin Turquoise Hill Ero Copper

EV/2019 Attributable Guidance2 (US$/Cu lbs)

0.2x 0.3x 0.5x 0.5x 0.9x 1.0x 1.7x 0.0x 0.2x 0.4x 0.6x 0.8x 1.0x 1.2x 1.4x 1.6x 1.8x 2.0x Turquoise Hill Capstone Copper Mountain Taseko Hudbay Lundin Ero Copper

P/NAV1

Capstone: Extraordinary Deep Value

CAPSTONE MINING (TSX:CS) • 17

Average 0.7x Average $7.50

100 200 300 400 500 600

Contained Copper Production3 (Mlb’s)

$0.00 $0.50 $1.00 $1.50 $2.00 $2.50

C1 Cash Costs4

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SLIDE 18

Near Term Production Growth Target: company-wide copper production +20% with -10% C1 costs1 by 2021 Cozamin: is a free cash flow engine, the best is yet to come over the next decade Pinto Valley: low capex investment in 2020 with fast payback to drive stronger operational performance moving forward plus narrowing in on PV4 expansion scenarios to surface value from over one billion tonnes of resources outside reserves2,3 Santo Domingo: the project is fully permitted, top quartile with large- scale, high IRR, quick payback in a mining friendly jurisdiction; strategic process underway Exploration Excellence: six drills at Cozamin upgrading and expanding the high-grade resource base plus grassroots programs in Mexico and Brazil Financial Position: strong balance sheet and cost cutting measures since 2018 has positioned the company to execute on its growth initiatives

Unparalleled Exposure to Copper

CAPSTONE MINING (TSX:CS) • 18

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SLIDE 19

Investment Highlights: An Emerging Growth Story

1. This is an Alternative Performance Measure; for full information, please refer to the Company’s latest Management Discussion and Analysis. 2. Refer to Appendix slide “Pinto Valley Mineral Reserve and Resource Estimate” at the end of this presentation for full details. 3. Refer to the Company’s news release “Capstone Mining Releases Positive Technical Report and Launches a Strategic Process for Santo Domingo” on November 26, 2018 for full details.

Capstone Strategy

1. Refer to the Company’s news release “Capstone Q3 2019 Results, Near-Term Organic Growth” on November 5, 2019 for full details.

Capstone: Overview

1. Refer to the Company’s Management Discussion and Analysis for the three and nine months ended September 30, 2019 for full details. 2. 2019 Guidance, refer to the Company’s news release “Capstone Mining 2017 Production Results and 2018 Operating and Capital Guidance” on January 10, 2019 for full details. 3. Refer to Appendix slide “Pinto Valley Mineral Reserve and Resource Estimate” at the end of this presentation for full details. 4. Refer to the Company’s news release “Capstone Q3 2019 Results, Near-Term Organic Growth” on November 5, 2019 for full details. 5. Refer to the Company’s NI 43-101 Technical Report on the Cozamin Mine, Zacatecas, Mexico dated January 24, 2019 for full details. 6. See slide “Cozamin Has Delivered Best In Class Returns” for more details. 7. Refer to the Company’s news release “Capstone Mining Releases Positive Technical Report and Launches a Strategic Process for Santo Domingo” on November 26, 2018 for full details.

Pinto Valley: Sustainable Benefits for Multiple Generations

1. Refer to Appendix slide “Pinto Valley Mineral Reserve and Resource Estimate” at the end of this presentation for full details.

Pinto Valley: An Exciting Future

1. Refer to Appendix slide “Pinto Valley Mineral Reserve and Resource Estimate” at the end of this presentation for full details. 2. Refer to the Company’s news release “Capstone Q3 2019 Results, Near-Term Organic Growth” on November 5, 2019 for full details.

Cozamin: High Grade, Low Cost

1. Refer to the Company’s news release “Capstone Intercepts 20m of 2.2% Cu Including 5m of 5.3% Cu: Exploration Program Pointing to Higher Grades and Wider Intercepts than in Current Reserve”

  • n December 2, 2019 for full details.

2019/20 Infill Drilling Campaign – Organic Growth

1. Refer to Appendix slide “Cozamin Mineral Reserve and Resource Estimate” at the end of this presentation for full details. 2. Refer to the Company’s news release “Capstone Intercepts 20m of 2.2% Cu Including 5m of 5.3% Cu: Exploration Program Pointing to Higher Grades and Wider Intercepts than in Current Reserve” on December 2, 2019 for full details. 3. UG denotes underground.

Cozamin: Future State

1. Refer to the Company’s news release “Capstone Q3 2019 Results, Near-Term Organic Growth” on November 5, 2019 for full details.

Santo Domingo: A Rare First Quartile Project

1. Refer to the Company’s news release “Capstone Mining Releases Positive Technical Report and Launches a Strategic Process for Santo Domingo” on November 26, 2018 for full details. 2. C1 cash costs are net of magnetite iron and gold by-product credits and selling costs and is an alternative performance measure. Refer to "Alternative Performance Measures" in the Company’s news release of November 26, 2018 for full details. 3. Metal price assumptions Cu: $3.00/lb, Fe: $80/t concentrate @ 66% Fe FOB SD, Au: $1,290/oz. Refer to the Company’s news release of November 26, 2018 for full details.

Santo Domingo: Strategic Process

1. Refer to the Company’s news release “Capstone Mining Releases Positive Technical Report and Launches a Strategic Process for Santo Domingo” on November 26, 2018 for full details.

Capstone: Extraordinary Deep Value

1. Scotiabank Metals & Mining Research Daily Base Metals Comp, Nov 25/19, 8% P/NAV. 2. EV (US$) from FactSet Nov 26/19; Attributable Guidance from company reports. 3. Company guidance. 4. C1 is 2019 guidance except for HudBay, Lundin, Copper Mountain and Taseko (Source: Scotia 2019E from November 2019) and Nevada Copper (Technical Report for 2021).

Unparalleled Exposure to Copper

1. This is an Alternative Performance Measure; for full information, please refer to the Company’s latest Management Discussion and Analysis. 2. Refer to the Company’s news release “Capstone Q3 2019 Results, Near-Term Organic Growth” on November 5, 2019 for full details. 3. Refer to Appendix slide “Pinto Valley Mineral Reserve and Resource Estimate” at the end of this presentation for full details.

FOOTNOTES

CAPSTONE MINING (TSX:CS) • 19

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SLIDE 20

APPENDIX

CAPSTONE MINING (TSX:CS) • 20

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SLIDE 21

CAPSTONE MINING (TSX:CS) • 21

*Refer to the Company’s Unaudited Condensed Interim Consolidated Financial Statements and MD&A for the three and nine months ended September 30, 2019 for full details.

  • 1. This is an Alternative Performance Measure; refer to the Company’s MD&A for the three and nine months ended September 30, 2019 for full details.
  • 2. The Minto mine was placed on care and maintenance in Q4 2018 and was considered a discontinued operation under IFRS 5 up until the date of sale (June 3, 2019).

Expected To Finish 2019 Within Guidance

Q3 2019* YTD 2019* 2019 Guidance

Copper Production (million pounds) C1 Cash Costs1 per Pound Payable Produced Copper Production (million pounds) C1 Cash Costs1 per Pound Payable Produced Copper Production (million pounds) C1 Cash Costs1 per Pound Payable Produced

Pinto Valley

29.9 $2.13 91.6 $1.97 115-125 $2.10-$2.25

Cozamin

9.1 $0.94 26.5 $0.90 30-35 $0.90-$1.05

Total

(from continuing

  • perations2)

39.0 $1.85 118.1 $1.73 145-160 $1.80-$2.00

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SLIDE 22

Total Global Inventories at 10 Year Lows

CAPSTONE MINING (TSX:CS) • 22

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SLIDE 23

MANAGEMENT

Darren Pylot

President & CEO

Jason Howe

Vice President, Corporate Development

Raman Randhawa

Chief Financial Officer

Jerrold Annett

Vice President, Strategy and Capital Markets

Brad Mercer

Senior Vice President, Operations & Exploration

Wendy King

Vice President, Legal, Risk and Governance

Albert Garcia III

Vice President, Projects

Mike Wickersham

Mine Manager, Pinto Valley

Abel Gonzalez Vargas

Mine Manager, Cozamin

BOARD OF DIRECTORS

George Brack

Chairman of the Board Former Managing Director & Industry Head, Mining at Scotia Capital

Dale Peniuk

Former Assurance Partner, Mining, KMPG LLP

Robert Gallagher

Former President & CEO of New Gold

Darren Pylot

President & CEO of Capstone Mining Corp.

Peter Meredith

Former Deputy Chairman and CFO of Turquoise Hill Resources

Richard Zimmer

Chair, Technical, Health, Environmental, Safety and Sustainability Committee Former President & CEO of Far West Mining Ltd.

Min Geol Ryu

Leads KORES Metals Team

An Experienced Team to Take Capstone to the Next Level

Visit https://capstonemining.com/company for full bios

CAPSTONE MINING (TSX:CS) • 23

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SLIDE 24

Pinto Valley Mineral Reserve and Resource Estimate

CAPSTONE MINING (TSX:CS) • 24

Mineral Resource Estimate as at December 31, 2018

(metric units) Mineral Resources at 0.17% TCu Cutoff (Inclusive of Mineral Reserves) Contained Metal

Category Tonnes (million) Cu (%) Mo (%) Copper Metal (Mt) Molybdenum (Mt) Measured (M) 571 0.33 0.006 1.88 0.034 Indicated (I) 759 0.27 0.005 2.07 0.039 Total M + I 1,330 0.30 0.005 3.95 0.0073 Inferred 146 0.24 0.005 0.34 0.008

RESOURCE ESTIMATE NOTES: Claydon Craig, P.Eng., Superintendent of Mine Technical Services at Pinto Valley, is the Qualified Person responsible for the Pinto Valley Mineral Resources estimate. Mineral Resources are not Mineral Reserves and do not have demonstrated economic viability. Mineral Resources are presented inclusive of Mineral Reserves. Mineral Resources are reported as at December 31, 2018 above a 0.17% TCu cut-off grade. The economic assumptions for the reasonable prospects pit include: $3.30/lb Cu, $10.00/lb Mo, 88% Cu recovery, 50% Mo recovery, $1.50/ton mining costs, $1.50/ton G&A costs, $5.00/ton milling costs, and a pit slope of 45°. Totals may not tally due to rounding. Contained metals are reported at 100%. See Capstone’s Annual Information Form for the year ended December 31, 2018 for further information.

Mineral Reserve Estimate as at December 31, 2018

Mineral Reserve Contained Metal

Category Tonnes (million) Cu (%) Mo (%) Copper Metal (Mt) Molybdenum (Mt) Proven 255 0.33 0.006 0.84 0.016 Probable 153 0.28 0.006 0.43 0.009 Proven + Probable 408 0.31 0.006 1.27 0.025

RESERVE ESTIMATE NOTES: Claydon Craig, P.Eng., Superintendent of Mine Technical Services at Pinto Valley is the Qualified Person responsible for the Pinto Valley Mineral Reserves estimate. Economic inputs to the block model were USD$2.75/lb Cu and USD$12.50/lb Mo. Mineral Reserves are reported above 0.175% Cu cut-off grade. Summation errors due to rounding. Contained metals are reported at 100%. See Capstone’s Annual Information Form for the year ended December 31, 2018 for further information.

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SLIDE 25

Cozamin Mineral Reserve and Resource Estimate

CAPSTONE MINING (TSX:CS) • 25

Mineral Resource Estimate as at December 31, 2018

Mineral Resources (Inclusive of Mineral Reserves) Contained Metal

Category Tonnes (kt) Copper (%) Silver (g/t) Zn (%) Pb (%) Copper Metal (kt) Silver Metal (koz) Zinc Metal (kt) Lead Metal (kt) Measured (M) 407 1.24 53 1.23 0.40 5 698 5 2 Indicated (I) 16,709 1.50 44 1.25 0.27 250 23,813 208 46 Total M + I 17,116 1.49 45 1.25 0.28 255 24,506 213 47 Inferred 16,922 1.11 44 1.64 0.29 188 23,902 278 49

RESOURCE ESTIMATE NOTES: The Cozamin Mineral Resource estimate was completed by Garth Kirkham, P.Geo., FGC, Kirkham Geosystems Ltd., and an independent Qualified Person as defined by NI 43-101. The NSR formula used is based on $3.50/lb Cu, $18/oz Ag, $1.20/lb Zn, $1.00/lb Pb and metallurgical recoveries of 95% Cu, 78% Ag, 58% Zn, 40% Pb. The resulting NSR formula is Cu*65.024 + Ag*0.438 + Zn*10.755 + Pb*6.981. Mineral Resources are reported above $50/t NSR cut-off. Mineral Resources are presented inclusive of Mineral Reserves. Mineral Resources are not Mineral Reserves and do not have demonstrated economic viability. Figures may not sum due to rounding. Contained metals are reported at 100%. See Capstone’s Annual Information Form for the year ended December 31, 2018 for further information.

Mineral Reserve Estimate as at December 31, 2018

Mineral Reserve Contained Metal

Category Tonnes (kt) Cu (%) Ag (g/t) Zn (%) Pb (%) Copper Metal (kt) Silver Metal Troy (koz) Zinc Metal (kt) Lead Metal (kt) Proven

  • Probable

6,050 1.58 43 0.72 0.14 96 8,293 43 8 Proven + Probable 6,050 1.58 43 0.72 0.14 96 8,293 43 8

RESERVE ESTIMATE NOTES: Tucker Jensen, P.Eng., Senior Mining Engineer at Capstone Mining Corp., is the Qualified Person for the Cozamin Mineral Reserve. Disclosure of the Cozamin Mine Mineral Reserves as of December 31, 2017 was completed using fully diluted mineable stope shapes generated by the Maptek Vulcan Mine Stope Optimizer software and estimated using the 2018 MNFW and MNV resource block models completed by Garth Kirkham, P.Geo., FGC, Kirkham Geosystems Ltd. The Reserves are based on a $50/t NSR cut-off. The NSR formula used for the Reserves was based $2.75/lb Cu, $16/lb Ag, $1.10/lb Zn, and metallurgical recoveries of 96.5% Cu, 81% Ag, 44% Zn. The resulting NSR275 formula is ($50.707*%Cu + 0.366*Ag ppm + 7.276*Zn%)*(1-NSRRoyalty%)Note that zero value is attributed to Pb due to low concentrations. Tonnage and grade estimates include dilution and recovery allowances. The NSR royalty rate applied varies between 1% and 3% depending on the mining concession. Contained metals are reported as 100%. Figures may not sum due to rounding. See Capstone’s Annual Information Form for the year ended December 31, 2018 for further information.

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SLIDE 26

Santo Domingo Mineral Reserve and Resource Estimate

CAPSTONE MINING (TSX:CS) • 26

Mineral Resource Estimate as at December 31, 2018

Mineral Resources (Inclusive of Mineral Reserves)

Category Tonnes (Mt) CuEq (%) Cu (%) Au (g/t) Fe (%) Co (ppm) Measured (M) 66 0.81 0.61 0.081 30.9 254 Indicated (I) 471 0.48 0.26 0.034 25.0 225 Total M + I 537 0.52 0.30 0.039 25.7 229 Inferred 48 0.41 0.19 0.025 23.6 197

RESOURCE ESTIMATE NOTES: Mineral Resources are reported inclusive of Mineral Reserves. Mineral Resources that are not Mineral Reserves do not have demonstrated economic viability. Mineral Resources are classified according to CIM (2014) guidelines. The Qualified Person for the estimates is Mr. David Rennie, P.Eng., an associate of Roscoe Postle Associates Inc. Mineral Resources for the Santo Domingo Sur, Iris, Iris Norte and Estrellita deposits have an effective date October 31, 2018. Mineral Resources for the Santo Domingo Sur, Iris, Iris Norte, and Estrellita deposits are reported using a cut-off grade of 0.125% CuEq. CuEq grades are calculated using average long-term prices of $3.50/lb Cu, $1,300/oz Au, and $99/dmt Fe. The CuEq equation is: % Cu Equivalent = (Cu Metal Value + Au Metal Value + Fe Metal Value) / (Cu Metal Value per percent Cu). The general equation for metal value is: Metal Value = Grade * Cm * R * (Price – TCRC – Freight) * (100 – Royalty) / 100, were Cm is a constant to convert the grade of metal to metal price units, R is metallurgical recovery, and TCRC is smelter treatment charges and penalties. An assessment of Mineral Resources for the Santo Domingo Sur, Iris, Iris Norte and Estrellita deposits was performedusinga Lerchs–Grossman pit shell that has the following assumptions: pit slopes averaging 45°; mining cost of $1.90/t, processing cost of $7.27/t (including G&A cost); processing recovery of 89% copper and 79% gold; selling price of $3.50/lb copper, $1,300/oz gold and $99/dmt iron concentrate. Rounding as required by reporting guidelines may result in apparent summation differences between tonnes, grade and contained metal content. See Capstone’s Annual Information Form for the year ended December 31, 2018 for further information.

Mineral Reserve Estimate as at December 31, 2018

Mineral Reserve Contained Metal

Category Tonnes (Mt) Cu (%) Au (g/t) Fe (%) Copper (kt) Gold (koz) Magnetite Concentrate (Mt) Proven 65.4 0.61 0.08 30.9 398 169.9 8.2 Probable 326.9 0.24 0.03 27.6 768 336.8 66.9 Proven + Probable 392.3 0.30 0.04 28.2 1167 506.7 75.1

RESERVE ESTIMATE NOTES: The Mineral Reserves estimate have an effective date of November 14, 2018 and were prepared by Mr. Carlos Guzman, CMC, and employee of NCL. 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 $3.00/lb Cu, $1,290/oz Au and $100/dmt of Fe concentrate; recovery to concentrate assumptions of a maximum of 93.4% for Cu and 60.1% for Au, with magnetite concentrate recovery varying on a block-by-block basis; copper concentrate treatment charges of $80/dmt, $0.08/lb of Cu refining charges, $5.0/oz of Au refining charges, $33/wmt and $20/wmt for shipping Cu and Fe concentrates respectively; wasteminingcostof $1.75/t, mining cost of $1.75/t ore, and process and G+A costs of $7.53/t processed; average pit slope angles that range from 37.6° to 43.6°; a 2% royalty rate assumption, and an assumption of 100% mining

  • recovery. Rounding as required by reporting guidelines may result in apparent summation differences between tonnes, grade and contained metal content. See Capstone’s Annual Information Form for the year ended December 31, 2018 for further information.
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SLIDE 27

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