Building a Multi-Asset Copper-Gold Company in Ecuador First Mover - PowerPoint PPT Presentation

Building a Multi-Asset Copper-Gold Company in Ecuador First Mover Advantage in a New Frontier Corporate Presentation Q2 2020 ADZN : TSX-V ADVZF : OTCQX 1

Forward Looking Statements 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 in any locality, state, country or other jurisdiction where such distribution, publication, availability or use would be contrary to law or regulation 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 of or 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 of applicable 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 by and information currently available to Adventus’ management. Such statements reflect the current risks, uncertainties and assumptions related to certain factors including but not limited to, all costs varying significantly from estimates, production rates varying from estimates, changes in metal markets, changes in equity markets, the proposed use of net proceeds from private placements, availability and costs of financing needed in the future, equipment failure, unexpected geological conditions, imprecision in 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 preliminary economic assessment, pre- feasibility or feasibility studies, competition, operating performance, environmental and safety risks, delays in obtaining or failure to obtain necessary permits and approvals from local authorities, community relations, and other development and operating 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 undue reliance should not be put on such statements due to the inherent uncertainty therein. Except as may be required by applicable securities laws, Adventus disclaims any intent or obligation to update any forward- looking statement. 2

ADZN : TSX-V Why Adventus? ADVZF : OTCQX 9.5 Entrepreneurial team building a multi-asset copper company in new frontier of Ecuador: Exploration Potential Asset Quality World-Class Investors  Exceptional grades: ~9 Mt of  Maiden geophysics on 3x  5 strategic shareholders: 5.2% CuEq (8.3 g/t AuEq) M&I Adventus controlled Altius, Greenstone, Resource near-surface resources (1) Capital Funds, Wheaton districts (>27,000 ha) –  After-tax IRR of 40% (2) Precious & Nobis Group commencing drilling for  C1 cash cost: US$0.96 /lb CuEq  >25 institutional investors new discoveries in 2020 or US$412 /oz AuEq (2,3)  First mover advantage for  C$26.4M raised in 2019 – fully  15 year mine life of 19,000 tpa new projects – Exploration funded to test top priority drill CuEq or 100,000 oz pa AuEq targets Alliance with renowned  ~US$450M of free cashflow in explorer Fredy Salazar first 6 years of mine life (2) Adventus is aggressively pursuing exploration & development success on multiple projects, including VMS & porphyry copper-gold districts 3 (1) See P.10 for detailed resource. (2) See Adventus‘ May 2, 2019 news release on El Domo deposit, Curipamba project economic study (3) Co-product basis

Adventus – Who We Are ADZN : TSX-V ADVZF : OTCQX 9.5 Curipamba copper-gold project, with El Domo deposit – earning 75% of underexplored 21,500 ha property, by • spending US$25M to Oct. 2022 (~US$20M spent to date). Underpinned by high grade VMS entering feasibility study stage. 2020 program targeting new discoveries within district. Salazar Resources Ltd.(“Salazar”) is partner Ecuador-wide Exploration Alliance – exploration alliance between Adventus (80%) & Salazar (20%): Pijili & Santiago • are first two projects with copper-gold porphyry & epithermal vein systems – flown with airborne geophysics in 2019, drilling to begin at Pijili in July 2020 for the first time Distinguished Strategic Shareholders – Altius Minerals, Greenstone Resources, Resource Capital Funds, Wheaton • Precious & Nobis Group see growth & discovery potential in Adventus’ projects Ecuador Adventus completed maiden airborne geophysics on 3x projects in 2019 – next: exploration drill programs in 2020. Also advancing El Domo, Curipamba project towards feasibility study 4

Capital Structure & Timeline ADZN : TSX-V ADVZF : OTCQX 9.5 Symbols: ADZN – TSXV, ADVZF – OTCQX Equity Research Basic Market Capitalization: C$ 90 M Shares Outstanding: 100,594,371 Options 1 : 6,050,000 Cash (as at March 31, 2020): C$ 8 M Equities (Canstar & BMEx): ~ C$ 1 M Restricted Share Units: 802,500 Debt: nil Enterprise Value: ~ C$ 80 M Fully Diluted: 107,446,871 Adventus Milestones 2019–2020 Share Performance Insiders acquired ~600,000 shares between Q4 2019 & Q1 2020 2017 Feb 9: IPO @ C$0.50/share • Bought Deal C$14.3M Sep 14: Announces Curipamba earn-in • Financing / Upsized transaction & Ecuador Alliance Completes airborne (2019 07 16) Earn-in with MMT survey at Pijili Dec 21: Bought deal C$10M financing • South32 in & Santiago Ireland (2019 04 05) (2020 01 13) COVID-19 measures 2018 in Ecuador Nobis-led (2020 03 18) C$12.1M Feb 21: Newfoundland portfolio to Canstar • Completes airborne Financing Mar 29: Acquires Pijili project in Ecuador El Domo • MMT survey at (2019 05 06) PEA Results Curipamba/El May 23: Acquires Santiago project in Ecuador • (2019 05 02) Domo Jul 17: Wheaton Precious led C$9.2M financing Irish Projects • (2019 09 19) to BMEx Sep 21: Begins trading on OTCQX • (2019 02 07) Notes: 1 Weighted average exercise price of C$0.80, 5-year term, 3-year vesting period 5

Investor Base ADZN : TSX-V ADVZF : OTCQX 9.5 AUM / Investor Market Cap Profiles (US$M) Leading global royalty company focused on base metal and bulk commodities, with its royalties on 15 ~$300 operating mines generating ~C$80M per annum in revenues, with successful project generation business London-based private equity fund specializing in the mining and metals sector, with more than 80 years ~$370 collective experience predominantly fulfilling senior roles within mining companies, financial institutions and principal investing, Greenstone is able to make successful long term investments A pioneer in the concept of a mining-focused private equity fund, RCF is a specialist in mining and partners Fund VI with companies to build strong, successful & sustainable businesses that strive to produce superior returns ~$2,000 for all stakeholders Formerly Silver Wheaton, Wheaton Precious Metals is the world’s largest streaming company, with a ~$20,000 production profile that is driven by a portfolio of high quality assets, including a gold stream on Vale’s Salobo 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 across - agricultural, real estate, industrial, commercial, construction and tourism sectors. Nobis was founded by Executive President Isabel Noboa Pontón in 1997 Management & Board Other Shareholders Institutional Funds 6 Notes: chart on fully diluted basis. Wheaton retains some ROFO/ROFR rights on potential future precious metal streams in Ecuador

ADZN : TSX-V Advantage in Ecuador – Nobis Group & Salazar ADVZF : OTCQX 9.5 • Consorcio Nobis (“Nobis Group”) is one of Ecuador’s largest private business conglomerates with interests across agricultural, real estate, industrial, construction & tourism sectors • Nobis Group was founded in 1997 by renowned Ecuadorian business leader Isabel Noboa Pontón (daughter of the late Luis Noboa): “ We are pleased to announce our investment in Adventus and to participate in the growing mining sector in Ecuador, which is set to become a major driver of economic development.” In 2019 – Completed Initial Investment in Adventus • Initial US$5.5M equity investment into Adventus for 9.9% of the company, with rights to maintain its interest in order to participate in Adventus’ project portfolio & growth plans • Nobis Group & Foundation – direct resources for in-depth Ecuador insights & support for institutional investors globally • Adventus affirms its commitment to Ecuador with strong domestic partners in both investment & exploration with the Nobis Group & Salazar 7