Building a Multi-Asset Copper-Gold Company in …...1 Building a Multi-Asset Copper-Gold Company in Ecuador First Mover Advantage in a New Frontier John Tumazos Very Independent Research

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Building a Multi-Asset Copper-Gold Company in EcuadorFirst Mover Advantage in a New Frontier

John Tumazos Very Independent Research Conference – August 2020

Q3 2020 ADZN : TSX-V ADVZF : OTCQX

9.5

This presentation is not directed to, or intended for distribution to or use by, any person or entity that is a citizen or resident or located inany locality, state, country or other jurisdiction where such distribution, publication, availability or use would be contrary to law orregulation or which would require any registration or licensing within such jurisdiction.

This presentation does not constitute or form a part of, and should not be construed as an offer, solicitation or invitation to subscribe for,underwrite or otherwise acquire, any securities of Adventus Mining Corporation (“Adventus”), nor shall it or any part of it form the basis ofor be relied on in connection with any contract or commitment whatsoever.

Certain information in this presentation contains forward-looking statements and forward-looking information within the meaning ofapplicable securities laws (collectively "forward-looking statements"). All statements, other than statements of historical fact are forward-looking statements. Forward-looking statements are based on the beliefs and expectations of Adventus as well as assumptions made byand information currently available to Adventus’ management. Such statements reflect the current risks, uncertainties and assumptionsrelated to certain factors including but not limited to, all costs varying significantly from estimates, production rates varying fromestimates, changes in metal markets, the effects of COVID-19, changes in equity markets, the proposed use of net proceeds from privateplacements, availability and costs of financing needed in the future, equipment failure, unexpected geological conditions, imprecisionin resource estimates or metal recoveries, ability to complete future drilling programs, drilling program results varying from expectations,delays in obtaining survey results, success of future development initiatives, the completion and implementation of a preliminaryeconomic assessment, pre-feasibility or feasibility studies, competition, operating performance, environmental and safety risks, delays inobtaining or failure to obtain necessary permits and approvals from local authorities, community relations, and other development andoperating risks. Should any one or more of these risks or uncertainties materialize, or should any underlying assumptions prove incorrect,actual results may vary materially from those described herein. Although Adventus believes that assumptions inherent in the forward-looking statements are reasonable, forward-looking statements are not guarantees of future performance and accordingly unduereliance should not be put on such statements due to the inherent uncertainty therein. Except as may be required by applicablesecurities laws, Adventus disclaims any intent or obligation to update any forward-looking statement.

The technical information contained in this presentation has been reviewed and approved by Jason Dunning. Mr. Dunning is a “qualifiedperson” as defined in National Instrument 43-101 Standards of Disclosure for Mineral Projects.

All currency figures in this presentation are in US dollars unless otherwise stated.

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Forward Looking Statements ADZN : TSX-VADVZF : OTCQX

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Why Adventus?ADZN : TSX-V

ADVZF : OTCQX

(1) See P.9 for detailed resource. (2) See Adventus‘ May 2, 2019 news release on El Domo deposit, Curipamba project economic study (3) Co-product basis

Adventus is aggressively pursuing exploration & development success on multiple projects, including VMS & porphyry copper-gold districts

High Grade Copper-Gold Entering Feasibility

El Domo, Curipamba: ~9 Mt of 5.2% CuEq (8.3 g/t AuEq) M&I near-surface resources for 2.4 Moz AuEq (1)

IRR of 40%, cash cost: $0.96 /lb CuEq ($412 /oz AuEq) (2,3)

15 year mine life of 19,000 tpa CuEq or 100,000 oz pa AuEq

~$450M of free cashflow in first 6 years of mine life (2)

Exploration for New Discoveries

Drilling for major new copper-gold discoveries at three projects in 2020

Numerous new targets identified for further work

First mover advantage for new projects – Exploration Alliance with renowned explorer Fredy Salazar

World-Class Investors

5 strategic shareholders: Altius, Greenstone, Resource Capital Funds, Wheaton Precious & Nobis Group

>30 institutional investors C$26.4M raised in 2019 –

funded to test top priority drill targets

Entrepreneurial team building a multi-asset copper-gold company in new frontier of Ecuador:

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Adventus – Who We Are

Adventus to commence 2020 exploration drilling at Curipamba, Pijili & Santiago projects – drilling at Pijili underway. Also advancing El Domo, Curipamba project through a feasibility study

• Curipamba copper-gold project, with El Domo deposit – earning 75% of underexplored 21,500 ha property, underpinned by high grade El Domo VMS: feasibility study started. ~$2M left of $25M earn-in requirement by Q4 2022. 2020-2021 drilling program targeting new discoveries within district. Salazar Resources Ltd.(“Salazar”) is partner

• Pijili & Santiago exploration projects in Alliance – maiden drilling at Pijili began in June 2020, Santiago later in H2 2020, both with potential copper-gold porphyry & epithermal vein systems. Managed in Exploration Alliance led by Adventus (80%) and partner: Salazar (20%)

• Distinguished Strategic Shareholders – Altius Minerals, Greenstone Resources, Resource Capital Funds, Wheaton Precious & Nobis Group see growth & discovery potential in Adventus

ADZN : TSX-VADVZF : OTCQX

2017• Feb 9: IPO @ C$0.50/share• Sep 14: Curipamba earn-in & Ecuador Alliance• Dec 21: Bought deal C$10M financing

2018• Feb 21: Newfoundland portfolio to Canstar• Mar 29: Acquires Pijili project in Ecuador• May 23: Acquires Santiago project in Ecuador• Jul 17: Wheaton Precious led C$9.2M financing

2019• Feb 7: Irish projects vended to BMEx• Apr 5: Airborne geophysics at Pijili & Santiago• May 2: El Domo, Curipamba PEA results• May 6: Nobis led C$12.1M financing• July 16: Bought deal C$14.3M financing / upsized

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Capital Structure & Timeline

Notes: 1 C$8 M as at Mar. 31, ‘20 & assumes completion of Jul 28 financing (less commission) 2 Weighted avg. exercise price of C$0.86, 5-year term, 3-year vesting

Shares Outstanding 1: 128,753,471

Options 2: 5,450,000

Restricted Share Units: 802,500

Fully Diluted: 135,005,971

Basic Market Capitalization 1: C$ 164 M

Cash 1 : C$ 41 M

Equities (Canstar & BMEx): ~ C$ 3 M

Debt: nil

Enterprise Value: ~ C$ 120 M


Symbols: ADZN – TSXV ADVZF – OTCQX Equity Research

Adventus Milestones Share Performance (last 12 months)

Bought Deal C$35M Financing

(2020 07 28)

Airborne geophysics at

Curipamba/El Domo(2019 09 19)

Earn-in with South32 in

Ireland(2020 01 13)

COVID-19measuresin Ecuador(2020 03 18)

Insiders have acquired ~675,000 shares since Q4 2019Last 3-month average daily trading $ volume: ~C$300k/day

Mobilization for drilling at

Pijili(2020 06 08)

Santiago update

(2020 06 15)

Curipamba update/ El Domo feasibility

commences (2020 06 22)

InvestorAUM /

Market Cap(US$M)

Profiles

~$300 Leading global royalty company focused on base metal and bulk commodities, with its royalties on 15operating mines generating ~C$80M per annum in revenues, with successful project generation business

~$370London-based private equity fund specializing in the mining and metals sector, with more than 80 yearscollective experience predominantly fulfilling senior roles within mining companies, financial institutions andprincipal investing, Greenstone is able to make successful long term investments

Fund VI~$2,000

A pioneer in the concept of a mining-focused private equity fund, RCF is a specialist in mining and partnerswith companies to build strong, successful & sustainable businesses that strive to produce superior returnsfor all stakeholders

~$19,400Formerly Silver Wheaton, Wheaton Precious Metals is the world’s largest streaming company, with aproduction profile that is driven by a portfolio of high quality assets, including a gold stream on Vale’sSalobo mine, and silver streams on Glencore’s Antamina mine and Goldcorp’s Peñasquito mine

-One of Ecuador's largest and most respected private organizations, with business interests acrossagricultural, real estate, industrial, commercial, construction and tourism sectors. Nobis was founded byExecutive President Isabel Noboa Pontón in 1997

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Investor Base

Notes: chart on fully diluted basis before July 28, 2020 announced financing. Wheaton retains some ROFO/ROFR rights on future precious metal streams in Ecuador


Management & Board

Retail & Others

Institutional Funds

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Management & Board ADZN : TSX-VADVZF : OTCQX

BRIAN DALTONChairman

CEO & co-founder of Altius Minerals with over 20 years experience in industry globally, from grassroots exploration to executive management

ROBERTO DUNN, MBADirector

Advisor & former Executive Director of Nobis Group –one of the largest private conglomerates in Ecuador, with over 30 years of multi-sector business leadership experience in Ecuador & global markets

MICHAEL HAWORTHDirector

Co-founded Greenstone Resources in 2013 after a 16 year career in the mining sector including Managing Director at JP Morgan and Head of Mining and Metals Corporate Finance in London

DR. SALLY EYREIndependent Director

Mining industry & finance veteran including CEO of Etruscan Resources Inc., PhD in Economic Geology from Royal School of Mines, Imperial College

BARRY MURPHY, PE, PMPIndependent Director

Over 30 years mining sector experience in project execution for Anglo American, Yamana, Hatch, with recent focus on open pit and underground mine developments in Chile, Peru, Argentina, Brazil

PAUL B. SWEENEYIndependent Director

Over 35 years experience in financial management, including CFO for both Canico (acquired by Vale) and Sutton Resources (acquired by Barrick), on board of OceanaGold

MARK WELLINGS, P.Eng., MBAIndependent Director

25 years experience in mining and finance, including 18 years at GMP Securities L.P., including as MD of Investment Banking and now Principal at INFOR Financial’s investment banking team

CHRISTIAN KARGL-SIMARD, P.Eng.President, CEO& Director

Over 17 years experience in industry and banking, primarily in investment banking at Raymond James Ltd. and Haywood Securities Inc. B.A.Sc. in Metallurgical Engineering from UBC

DR. ALVARO DUEÑAS Ecuador Country Manager

Over 20 years Ecuador business experience in natural resources & foreign trade. Ecuadorian, qualified lawyer, & former Country Manager for Codelco. Doctorate in Jurisprudence from the Pontifica Universidad Catolica del Ecuador & negotiation program at Harvard Law School

JASON DUNNING P.Geo., M.Sc., FGAC, FSEG, VP Exploration

Over 25 years experience, most recently as mining group manager, geology & exploration at Nyrstar, served as VP Exploration at Alamos Gold Inc., Selwyn Resources Ltd., and Yukon Zinc Corporation, & in exploration roles with Hudson Bay Mining and Smelting Co. Ltd., and Pamicon Developments Ltd.

OLIVIA GAMACHEP.Eng., M.Sc.VP Environment & Community

Over 15 years international environmental management, community relations & CSR experience in the mining industry in the Americas with Hatch Ltd. & Yamana. Professional environmental engineer (water), B.A.Sc & M.Sc. Chemical Engineering from University of Toronto

FRANCES KWONG VP Finance, CFO, Corporate Secretary

Over 35 years experience in finance, including CFO of Vaaldiam Mining & consultant to Orion Resource Partners. Fellow of the Institute of CAs in England & Wales, and a CPA CGA, HKU graduate

SAM LEUNG, P.Eng.VP Corporate Development

15 years experience in industry: Director, Corporate Development at Lundin Mining (>$3.7 billion in transactions); due diligence/ strategy consultant & metallurgist for Hatch Ltd., B.A.Sc. Engineering Chemistry from Queen’s University

DUSTIN SMALL, P.Eng.Project Director

20 years experience in project management, engineering & construction, including small to large scale mining projects US$100 M to over US$4 B. Recently with Hatch Ltd/Kinross in Chile & Wood (Amec Foster Wheeler). B.Sc.E. Dalhousie University

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Ecuador – New Mining Frontier• In 2019, Ecuador welcomed first modern-scale open-pit & underground mining operations:

o Mirador (copper-gold, $1.4 billion) & Fruta del Norte (gold, $700 million)

Lundin Gold with Newcrest & Orion

$900M project financing package, incl. $400M equity financing by Newcrest, Orion & Lundin Family Trusts + $20M exploration earn-in w/ Newcrest

Ecuacorriente:CRCC-Tongguan

$1.4 billion capital investment to build Mirador copper mining complex – open pit, 60,000 tpd mill, ~100 ktpa Cu in concentrate

Newcrest +$100M earn-in with Cornerstone on porphyry district next to Adventus’ Santiago project

Codelco & Enami EP Signed JV with the government to develop project

Hancock Prospecting $200M green fields exploration

BHP $82M exploration spending commitment & $ SolGold investment / US$75M exploration commitment with Luminex on porphyry district

Solgold PLC +$100M in equity raised, including investments by Newcrest & BHP. $150M Franco-Nevada royalty deal

Anglo American $57.3M earn-in JV with Luminex, adjacent to Adventus’ Curipamba project

Adventus $25M earn-in transaction on the Curipamba project + $5M spend on Pijili & Santiago projects

Southern Copper Advancing copper porphyry next to Adventus

Fortescue Metals Greenfields exploration in 32 concessions

Dundee Precious Metals & INV Metals

$10M of $15.6M private placement in INV Metals for 19.5% equity stake

Examples of Major Investments in Ecuador’s Mining Sector

Source: Company reports


Curipamba

Pijili

Santiago

Continuing improvements in fiscal regimes are supporting additional investment & growth

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Advancing El Domo & Curipamba Project

• Majority of M&I resource within 40 to 80 m from surface• Located 20 km from Pan-American highway, in low-lying hills (300-~900 masl),

~3 h drive from major port city of Guayaquil• Key surface rights acquired for development, including 100% of resource• Small-mines permits granted for entire district for 25 years

Aligned Partnership Structure• Earn-in terms for 75% ownership (~US$20M of US$25M spent to date; to Q4 2022)• Adventus retains 100% rights to off-take, streaming & financing options

Seasoned Ecuadorian Partner – Salazar Resources Ltd.• Led by Fredy Salazar, one of the most successful explorers in Ecuador, including

having been instrumental in Aurelian’s Fruta del Norte discovery• Salazar has received equity investments by Silvercorp, Trafigura, Resource

Capital Funds, Lundin Mining & Guangshou Group for El Domo/Curipamba

Advancing El Domo & the Curipamba project continues to be Adventus’ main focus, with exciting exploration & technical results expected in 2020

Adventus is focused on the continuing exploration & development of the El Domo deposit and thegreater Curipamba project – high potential district supported by significant baseline resource,undrilled targets & experienced local-Ecuadorian team


NI 43-101 El Domo Mineral Resource Estimate(Roscoe Postle, RPA – May 2019)

Tonnes Mt

Cu%

Au g/t

Zn%

Ag g/t

Pb%

CuEq %(1)

AuEqg/t (1)

CuEqMlbs(1)

AuEq koz(1)

Measured 1.4 1.92 3.75 3.52 58 0.37 6.1 9.8 190 443

Indicated 7.5 2.02 2.33 2.81 49 0.26 5.0 8.0 826 1,926

Inferred 1.3 1.52 1.83 2.25 42 0.20 3.9 6.2 112 261

(1) Calculated from Ni 43-101 El Domo PEA (May 2019) which assumed Cu $3.15/lb, Au $1,350/oz, Zn $1.15/lb, Ag $18/oz, Pb $1.00/lb

Anglo American &Luminex JV Properties

Solgold & Codelco Properties

Drill Holes P-1 to P-10



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Curipamba – 15 New Targets for Discovery15 new regional exploration targets developed within the district, with the first 20 planned drill holesranked in priority. ~10,000 m of exploration drilling approved Drill Hole

IDGeographic

AreaPriority Rank

P-1 Domo Este 2

P-2 Domo Este 2

P-3 Domo Este 2

P-4 Selva Alegre 2

P-5 Selva Alegre 2

P-6 Selva Alegre 2

P-7 Selva Alegre 2

P-8 Domo Este 2

P-9 Domo Este 2

P-10 Domo Este 2

P-11 La Union 3

P-12 Miraflores Alto 3

P-13 Miraflores Alto 3

P-14 Sesmo Sur 1

P-15 Sesmo Sur 1

P-16 La Vaquera 1

P-17 La Vaquera 1

P-18 La Vaquera 1

P-19 La Vaquera 1

P-20 La Vaquera 1

TOTAL


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~3,000 m diamond drill program ready to go over 7 drill holes targeting ‘intrusive’ target

Curipamba – La Vaquera: Highest Priority Drill Target ADZN : TSX-VADVZF : OTCQX

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Kaolinite mine (Ecuadorian Company)

Historical from surface drilling highlights:• 12 m @ 2.25 g/t Au, 31 g/t Ag• 15 m @ 2.54 g/t Au, 50 g/t Ag• 5.3 m @ 1.49 g/t Au, 25 g/t Ag

2007 Ground IP Chargeability

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El Domo – Exceptional Deposit within CuripambaEl Domo is a flat-lying VMS deposit, close to surface and mineable by open-pit and/or undergroundmethods to produce saleable copper, zinc & lead concentrates with strong precious metals credits 60,449 m drilled at El Domo to date – highlights include (1):

• 24.02 m of 5.41% copper, 6.40 g/t gold, 2.68% zinc, 58.6 g/t silver, 0.15% lead (~11.5% CuEq) – CURI 336

• 21.10 m of 5.49% copper, 3.94 g/t gold, 2.77% zinc, 42.3 g/t silver, 0.19% lead (~9.8% CuEq), including: 8.70 m of 11.31% copper, 7.81 g/t gold, 6.57% zinc, 90.9 g/t silver, 0.44% lead (~20.3% CuEq) – CURI 300



Notes: (1) 2019 PEA equivalence pricing assumptions: Cu $3.25/lb, Zn $1.30/lb, Pb $1.10/lb, Ag $23/oz, Au $1,500/oz(2) Observations on the Curipamba Massive Sulfide District, Ecuador, Report For Salazar Resources by James M Franklin Ph.D., P. Geo, Aug. 17, 2009


Deposit dimensions: ~800 m x 400 m, starts ~30 m below surface, generally flat-lying – remains open: north, east, depth. Average drill hole spacing of 25 m centres for metallurgical testing, 2019 resource & PEA

James Franklin (Global VMS expert):

“Such camps typically contain a minimum of 6 deposits with economic metal content. One of these is normally the “giant”, containing more than 30 Mt of ore. The potential for additional discovery in the Curipamba area is excellent” (2)

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El Domo – PEA Highlights ADZN : TSX-VADVZF : OTCQX

NI 43-101 Open Pit Constrained Resource, Years 1-14 (1)

Tonnes Mt

Cu %

Au g/t

Zn %

Ag g/t

Pb %

CuEq %(1)

AuEq g/t (1)

Measured 1.4 1.92 3.75 3.52 58 0.37 6.1 9.84

Indicated 5.7 1.74 2.47 2.60 51 0.28 4.7 7.59

M&I 7.1 1.78 2.73 2.78 53 0.30 5.0 8.06

Inferred 0.7 0.67 1.60 1.72 46 0.21 2.7 4.40

Notes: (1) May 2019 PEA by Roscoe Postle & Adventus news release (2) Spot metal prices at July 31, 2020: Cu $2.92/lb, Au $1,975/oz, Zn $1.04/lb, Ag $24.07/oz, Pb $0.84/lb

NI 43-101 Underground Resource, Years 10-15 (1)

Tonnes Mt

Cu %

Au g/t

Zn %

Ag g/t

Pb %

CuEq %(1)

AuEq g/t (1)

Indicated 1.8 2.91 1.85 3.51 43 0.20 5.8 9.23

Inferred 0.6 2.46 2.09 2.82 37 0.19 5.2 8.26Mill throughput rate (tpd) 1,750 tpd for 15 yr mine life

Net metallurgical recoveriesCopperGoldZincSilverLead

81%58%79%69%38%

Concentrate details:CopperZinc

Clean concentrates:~25% Cu with high PMs~56% Zn with high PMsNo penalties for deleterious elements expected

LOM operating cost (US$/t) $55/t mine gate

LOM sustaining capital (US$) $105M

LOM production average: 19,000 tpa CuEq or 100,000 oz pa AuEq

NPV(8%, after-tax) $288M ($343 M at spot prices (2))

IRR after-tax: 40%, payback in < 2 years(46% after-tax IRR at spot prices (2))

Free cashflow: $449M in first 6 years of mine life

C1 co-product cash cost:

$0.96 /lb copper equivalent or$412 /oz gold equivalent

Capital cost: $165M

PEA Price assumptions:

$3.15/lb Cu, $1,350/oz Au, $1.15/lb Zn, $18/oz Ag, $1.00/lb Pb

Project Economics – PEA (1)

Copper38%

Gold39% Silver

10%Lead1%Zinc

13%

Life of Mine Payable Revenues (2)

• Roscoe Postle (RPA)• Klohn Crippen Berger• Knight Piesold• Base Met Laboratories (Kamloops)• Independent Mining Consultants

(Tucson)

PEA Authors/Contributors

Taxes & Royalties

• Estimated >$250M in direct tax & royalty revenues to Ecuador over mine life

• Additional multiplier effects for economic development

Improvements announced

post-PEA

Feasibility Study commenced with DRA in June 2020

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El Domo & Curipamba – Timing & Next Steps ADZN : TSX-VADVZF : OTCQX

El Domo – Path to Production

Projected start dates for new copper mines

2020

• Announced metallurgical improvements from PEA

• Completed key land acquisition• Continue EIA program• Regional exploration drilling at

Curipamba• Commenced feasibility study• EIA consultation process with

local communities

2021

• Regional exploration drilling at Curipamba

• Completion of feasibility study• Submit draft EIA to government• Commence project financing

activities

2022 to 2024

• Receipt of final EIA approval• Receipt of investment &

exploitation agreement with Ecuador government

• Complete project financing activities

• Commence & complete construction

• Ramp-up to production

2020

GunnisonFlorencePumpkin Hollow

2021 to 2024

El Domo, Curipamba

Kamoa QB2 TimokKhoemacau T3 Botswana

El Domo has a clear path to production while surrounding exploration at Curipamba continues

• Lowest capex• ~US$0.60/lb Cu

‘incentive’ price

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Adventus is assembling a dominant land position around the large tonnage Chaucha Cu-Moporphyry deposit, with several potential porphyry targets identified by airborne geophysics

Pijili Project – Existing Concessions ADZN : TSX-VADVZF : OTCQX

IN PROGRESS

IN PROGRESSIN PROGRESS

Rosa de OroAnd Carmen

de PijiliRTP MAG

MobileMT

Mercy RTP MAG MobileMT

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The valleys in the project have up to 500 m in relief. Airborne geophysics and 4,409 rock and surficialgeochemistry samples have indicated a 1.5 x 1.5 km2 Cu-Au-Mo porphyry target. Proposed collar locations(DDH-M1 to M8) are fully permitted and represent 5,000 – 7,000 metres of planned drilling

Pijili Project – Drill Ready Target #1

Gold

Copper

Moly


OPENOPEN

Chaucha (SCC)

CascajoZambohuaycu

Ensillada

Pita

Las Antenas

Artisanal Mine

~US$2.0M budget for drilling in 2020

(commenced in June)

9.5Pijili Project – Rock Sampling (Zambohuaycu showing) ADZN : TSX-V

ADVZF : OTCQX

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Santiago Project – Concession Map ADZN : TSX-VADVZF : OTCQX

Active region in Loja, with Santiago surrounded by Newcrest-Cornerstone and Solgold (priority project)

+US$100M Newcrest option deal w/ Cornerstone (2019 02 19)

Santiago RTP MAG MobileMT

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Extensive vein system and copper geochemical anomaly untested by drilling. Historical drilling too shallow

Santiago Project – Historical Chip Sampling & Geochemistry

Espanola Qtz-Tourmaline

Fierro UrcoRibs Zone

Rib Zone/Ancha Vein (up to 5m width)1m @ 1.29 g/t Au, >100 g/t Ag1m @ 1.65 g/t Au, >100 g/t Ag

Espanola Vein (up to 3m width)2m @ 28.1 g/t Au, 231 g/t Ag1m @ 26.0 g/t Au, 242 g/t Ag

Fierro Ucho Structure (up to 1.5m width)

1.4m @ 4.8 g/t Au, 378 g/t Ag1.2m @ 6.4 g/t Au, 136 g/t Ag

Qtz-Tourmaline Vein (up to 3m width)3m @ 0.59 g/t Au, 36.6 g/t Ag, 390 ppm Mo


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Adventus plans to spend 3-months conducting detailed geoscience work in advance of ‘twinning’ atleast two historical drill holes deep into the geophysical anomaly, 2,000-3,000 total metres

Santiago Project – Historical Drilling & GeophysicsADZN : TSX-V

ADVZF : OTCQX

Two former operators have completed drilling programs at Santiago project Prospection Panama S.A. drilled

11 DDH (1971-1981) totaling 2,137 metres

Newmont Overseas Exploration Ltd. drilled 23 DDH (1993-1994) totaling 4,588 m

All historical drilling appears to have stayed in more resistive rocks, such as quartz-alunite alteration & hydrothermal breccia units

Large apparent conductivity anomaly coincident with large magnetic low

Conceptual twinning of historical

DDH (FUD-01)~1,500m concept

Conceptual twinning of historical

DDH (M0 8)~1,500m concept

Historical drilling did not test the main airborne geophysical anomaly

2020 program is expected to cost ~$0.8M, with field work starting in June

N N

(3D geophysical section of Apparent Conductivity voxel model, looking East)

Note: CuEq metal prices as of April 16, 2020: US$2.36/lb copper and US$1,707/oz gold 20

Hole # From (m) To (m) Width (m) Au (g/t) Cu (%) CuEq (%)FUD-01 0.61 323.70 323.09 0.40 0.23 0.65FUD-02 129.05 300.00 170.95 0.55 0.33 0.91FUD-08 3.05 300.23 297.18 0.23 0.12 0.36FUD-15 1.22 72.78 71.06 0.33 0.09 0.44FUD-16 43.43 93.29 49.86 0.43 0.18 0.63FUD-17 53.02 150.00 96.98 0.21 0.30 0.52FUD-18 10.97 59.26 48.29 0.62 0.06 0.71M06 99.36 109.42 10.06 0.21M07 33.53 124.97 91.44 0.16M08 85.34 327.76 242.48 0.23M09 31.56 151.79 120.21 0.26M10 3.66 151.17 147.21 0.36

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Backed by long term shareholders & strong copper-gold fundamentals, Adventus is focused on results:

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2020 Focus

Christian Kargl-Simard, P.Eng. Sam Leung, P.Eng.President, CEO & Director Vice President, Corporate Development [email protected] [email protected]

Adventus Mining Corporation www.adventusmining.com220 Bay Street, Suite 550Toronto, Ontario, Canada M5J 2W4

Contacts:

Curipamba Exploration & El Domo Feasibility

• Ongoing regional exploration drilling on new targets (10,000 m program into 2021)• Engineering, trade-off studies & commenced feasibility study• Environmental assessment baseline program

Pijili & Santiago Exploration Drilling

• Drill programs to test top copper-gold targets at Pijili & Santiago (up to 10,000 m in 2020)• Continue to evaluate Ecuadorian opportunities to add to portfolio (private & public)

Corporate• Work with Nobis & Salazar to continue to develop top in-country team & project portfolio• Grow investor base globally – institutional, retail, Ecuadorian & Latin American• Advance exploration projects in Ireland with partnership funding from South32


Building a Multi-Asset Copper-Gold Company in …...1 Building a Multi-Asset Copper-Gold Company in Ecuador First Mover Advantage in a New Frontier John Tumazos Very Independent Research

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