Corporate Presentation

METALLMA ERTOAYLALLAT RY O&Y SATLRT EY A&M SI NT RGE A| M SI Ne pGt e|m bJ ue nr e2 022042 4 | | 11 NYSE & TSXV: MTA METALLAROYALTY.COM

METALLA ROYALTY & STREAMING | September 2024 | 2 Forward Looking Statements This presentation contains certain "forward looking statements" and certain "forward-looking information" as defined under subject to various known and unknown risks and uncertainties, many of which are beyond the ability of Metallato control or applicable Canadian and U.S. securities laws. Forward-looking statements and information can generally be identified by the predict, that may cause Metalla'sactual results, performance or achievements to be materially different from those expressed use of forward-looking terminology such as "may", "will", "should", "expect", "intend", "estimate", "anticipate", "believe", or implied thereby, and are developed based on assumptions about such risks, uncertainties and other factors set out herein, "continue", "plans" or similar terminology. The forward-looking information contained herein is provided for the purpose of including but not limited to: the absence of control over mining operations from which Metallawill purchase precious metals assisting readers in understanding management's current expectations and plans relating to the future. Readers are or from which it will receive stream or royalty payments and risks related to those mining operations, including risks related cautioned that such information may not be appropriate for other purposes. to international operations, government and environmental regulation, delays in mine construction and operations, actual results of mining and current exploration activities, conclusions of economic evaluations and changes in project parameters Forward looking statements in this presentation include, but are not limited to: the anticipated near-term free cash flow as plans are refined; problems related to the ability to market precious metals or other metals; industry conditions, including growth; ability to increase shareholder value and continue to build asset base, including through robust pipeline; consensus commodity price fluctuations, interest and exchange rate fluctuations; interpretation by government entities of tax laws or net asset value of assets; growth of GEO production to over 30,000 oz annually; the three years strategic objectives of Metalla; the implementation of new tax laws; regulatory, political or economic developments in any of the countries where properties the expected production and production potential at the projects in which Metallaholds a royalty interest, including in which Metallaholds a royalty, stream or other interest are located or through which they are held; risks related to the estimated annual GEO production; the expected commencement of production at Côtémine and the timing thereof; timing operators of the properties in which Metallaholds a royalty or stream or other interest, including changes in the ownership for updated mineral resource estimate at Gosselin; the expected commencement of commercial production at and control of such operators; risks related to global pandemics, including the current novel coronavirus (COVID-19) global Tocantinzinhoand the timing thereof; the start of Phase 2 at Castle Mountain and the potential expansion thereof; the mine health pandemic, and the spread of other viruses or pathogens; influence of macroeconomic developments; business life expectancy at Taca Taca; the final approval of the Environmental and Social Impact Assessment for Taca Taca and the opportunities that become available to, or are pursued by Metalla; reduced access to debt and equity capital; litigation; title, timing thereof; the making of a development decision for TacaTacaby First Quantum and the expected timing thereof; the permit or license disputes related to interests on any of the properties in which Metalla holds a royalty, stream or other two-phased mine plan for Copper World; the receipt of outstanding operating state permits for Phase I at the Copper World interest; the volatility of the stock market; competition; future sales or issuances of debt or equity securities; use of proceeds; Complex and the expected timing thereof; the mine life expectancy at Wharf; drilling at Aranzazu; the completion of a dividend policy and future payment of dividends; liquidity; market for securities; enforcement of civil judgments; and risks feasibility study by Los Andes at Vizcachitas and the timing thereof; the anticipating timing of commencement of relating to Metalla potentially being a passive foreign investment company within the meaning of U.S. federal tax laws; and commercial production at Vizcachitas; the restart plan at Endeavor, including timing thereof; the mine life expectancy at the other risks and uncertainties disclosed under the heading “Risk Factors” in the Company’s most recent annual Endeavor; the results of the studies at Wasamac and the timing thereof; the expectations of owners/operators and the information form, annual report on Form 40-F and other documents filed with or submitted to the Canadian securities authors of relevant technical reports and studies with respect to the mineral projects in which Metallahas an interest, regulatory authorities on the SEDAR+ website at www.sedarplus.ca and the U.S. Securities and Exchange Commission on the including without limitation, estimates of mineral resources and mineral reserves and updates thereto, production, mine life, EDGAR website at www.sec.gov. net present value, internal rate of return, costs, drilling, development, permitting, water sourcing, commodity mix and prices, and the timing thereof; future opportunities and acquisitions; future exploration, financing, development, production and Metallaundertakes no obligation to update forward-looking information except as required by applicable law. Such forward- other anticipated developments on the properties in which the Company has or has agreed to acquire an interest; future looking information represents management's best judgment based on information currently available. No forward-looking growth, cash generation and returns; and the establishment of Metallaas an emerging and leading mid-tier royalty and statement can be guaranteed and actual future results may vary materially. Accordingly, readers are advised not to place streaming company. undue reliance on forward-looking statements or information.

METALLA ROYALTY & STREAMING | September 2024 | 3 About Metalla is an emerging mid-tier royalty and streaming company that holds 102 assets offering investors leveraged exposure to gold, silver, and copper. Our focus is to increase shareholder value through prudent allocation of capital and building an asset base with exposure tothemostprovengeologicaltrends,bestinclassoperators,andsafest jurisdictions.

METALLA ROYALTY & STREAMING | September 2024 | 4 TheKey Points ROYALTY COMPANY DELIVERING INDUSTRY LEADING GROWTH An Emerging Intermediate ConsistentAcquisitions Exposure Royalty And Streaming Company At Accretive Valuations Drives To Key Inflationary Metals Gold, With 100 Royalties And Streams Outperformance Silver, And Copper Including Several Cornerstone Assets Experienced Management Industry-Leading Best In Class Jurisdictional Risk Profile Team with Proven, Relevant and Growth With One Of The Most GlobalTrackRecord RobustPipelines In Established Mining Regions Across North America, South America,AndAustralia

METALLA ROYALTY & STREAMING | September 2024 | 5 TheTrack $18 Centro Gold Tocantinzinho Record GDXJ 32 $16 Transactions Côté / Gosselin Mine $14 Fosterville Acquires royalty portfolio from 102 $12 Royalties / Streams Acquired Wharf Mine $10 Lama Fifteen Mile Stream $309M $8 Capital Deployed (USD) Portfolio from Garrison Genesis Castle $6 Higginsville Mountain Acquires portfolio from Metalla is formed $4 Acquires second $505M Cortez Trend royalty portfolio from Acquires royalty Consensus NAV (USD) portfolio from Merges with Nova Royalty $2 Acquires Timmins royalties Santa Gertrudis $0 Sep 16 Mar 17 Sep 17 Mar 18 Sep 18 Mar 19 Sep 19 Mar 20 Sep 20 Mar 21 Sep 21 Mar 22 Sep 22 Mar 23 Sep 23 Mar 24 SOURCE: Equity research reports on MTA by: BMO Capital Markets, PI Financial and Haywood Securities

METALLA ROYALTY & STREAMING | September 2024 | 6 The Track Record COMBINATION OF CASH FLOW AND ACCRETION AT THE ASSET-LEVEL DRIVES STRONG NAVPS GROWTH Higginsville Alamos Portfolio Investment $6.5 $8.6 Cash Flow Consensus NAV $8.5 $8.5 $3.0 $39.1 $42.1 Wharf Côté& Gosselin Castle Mountain $5.8 $6.1 $15.0 $5.6 $9.1 $14.7 $26.0 $26.0 $33.6 $33.6 Coeur Portfolio Nova Portfolio Genesis / Cortez $13.0 $125.8 $4.1 $16.7 $20.8 $37 $268.1 $268 $5.8 $15.9 $21.8 All amounts in United States Dollars

METALLA ROYALTY & STREAMING | September 2024 | 7 TheSteady Accretive Growth METALLA HAS OUTPACED ALL OF ITS PEERS ON NET ASSET VALUE PER SHARE (NAVPS) GROWTH 120% MTA FNV SSL RGLD OR WPM 100% In 5 years, Metalla has nearly doubled its 80% NAVPS. 60% 40% 20% 0% 9 9 0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 1- v-1 -2 y-2 -2 v-2 -2 y-2 -2 v-2 -2 y-2 -2 v-2 -2 y-2 -2 v-2 -2 y-2 -2 gu o eb a ug o eb ug o eb a ug o eb a ug o eb a ug A N F M A N F Ma A N F M A N F M A N F M A

METALLA ROYALTY & STREAMING | September 2024 | 8 Actively Expanding Pipeline 102 85 62 70 46 17 23 5 2016 2017 2018 2019 2020 2021 2022 2023 Metalla has consistently grown its portfolio since inception to over 100 royalties and streams.

METALLA ROYALTY & STREAMING | September 2024 | 9 Large Scale High Quality Assets Run by Industry-Leading Operators TOP 10 ASSETS AVERAGE MINE LIFE (YEARS) 20 17 16 16 13 11 Metalla Sandstorm Triple Flag Osisko Gold Royalties Gold Royalty Elemental # OF TOP 10 ASSETS WITH $1B+ OPERATOR 8 8 5 4 3 2 Metalla Sandstorm Triple Flag Osisko Gold Royalties Gold Royalty Elemental

METALLA ROYALTY & STREAMING | September 2024 | 10 Industry Leading Growth OUR PARTNERS Over 80% of Metalla’sexpected three-year GEO growth is significantly de-risked, coming from assets that are either operating, in-construction, and/or permitted ~8,000 ~6,500 ~4,000 Asset Restart / In-Construction ~3,000 Producing Assets 2024 2025 2026 2027 GEO forecasts based on management forecasts and counterparty guidance

METALLA ROYALTY & STREAMING | September 2024 | 11 KeyAssets CÔTÉ & GOSSELIN TOCANTINZINHO Ontario, Canada Para State, Brazil Metal Exposure: Gold Metal Exposure: Gold 1.35% NSR – Pre-production 0.75% GVR -Production Côté estimated average annual GEO production ~ 400 Estimated average annual GEO production ~ 1,300 Gosselin estimated average annual GEO production Ramping up to commercial production with estimated available in year 2025 production of 175Koz per annum over ten and half years at a $623/Oz cash cost. Estimated 495Koz Au per year for the first six years, expansion potential with inclusion of 7.4 Moz Gosselin Full funded project with over 2 Moz of gold in measured & deposit indicated categories. Royalty covers over 28,000Ha on an underexplored land (2) Potential to become Canada’s third-largest gold mine. package in a known gold district. Fully-permitted and ramping up production.(1)

METALLA ROYALTY & STREAMING | September 2024 | 12 KeyAssets CASTLE MOUNTAIN MINE TACA TACA San Bernardino, California Salta, Argentina Metal Exposure: Gold Metal Exposure: Copper, Gold, Molybdenum 5.0% NSR –Development (Phase 2) 0.42% NSR –Development –32 years Estimated average annual GEO production ~ 5,000 Estimated average annual GEO production ~ 4,900 Covers South Dome pit that currently hosts a 1.1Moz 2P One of the largest undeveloped copper deposits in the Reserve which is the higher-grade section of the mining Americas, with potential to reach annual recovered copper complex production of 227Kt per year for the first six years Currently operating in phase 1, Castle is anticipated to enter Production decision expected in 2024, initial Environmental an expansion in phase 2 expansion with potential to make and Social Impact Assessment for the project was submitted it one of the top ten gold mine in the USA which includes in 2019 with final approval expected in 2024(4) South Domes.(3)

METALLA ROYALTY & STREAMING | September 2024 | 13 KeyAssets COPPER WORLD WHARF Arizona, USA Lead, South Dakota Metal Exposure: Copper, Gold, Silver, Molybdenum Metal Exposure: Gold 0.315% NSR - Development 1% GVR -Producing Estimated average annual GEO production ~ 1,500 Estimated average annual GEO production ~ 900 Long-life cathode production of up to ~92Kt per annum over Stable cash flow from a tier one operator in the first ten years 2024 production expected to be 86 – 96 Koz gold. Over Recent PFS outlined a two-phased mine plan with positive 1.2Moz currently defined excluding inferred resources(6) economics. Hudbayexpects to receive the two outstanding (5) permits in 2024

METALLA ROYALTY & STREAMING | September 2024 | 14 KeyAssets ARANZAZU VIZCACHITAS Zacatecas, Mexico Central Chile Metal Exposure: Copper, Gold, Silver Metal Exposure: Copper, Silver, Molybdenum 1% NSR - Producing 0.98% NSR - Development Estimated average annual GEO production ~ 1,100 Estimated average annual GEO production ~ 4,600 Steady producer with history of strong cash margins with 94 Recent PFS outlined robust economics with an annual – 108 GEOs guided for 2024 copper production of 183Kt for the first eight years Increased 2P by 53% net of depletion since restarting in Located in the Chilean copper belt, surrounded by multiple 2018. Currently undergoing a 29,400m program in 2024 on world-class operations. Feasibility Study expected in 2024 the property(7) and potential commencement of production in 2030.(8)

METALLA ROYALTY & STREAMING | September 2024 | 15 KeyAssets ENDEAVOR WASAMAC MINE Cobar, Australia Rouyn-Noranda, Quebec Metal Exposure: Zinc, Silver, Lead Metal Exposure: Gold 4% NSR -Development 1.5% NSR - Development Estimated average annual GEO production ~ 1,800 Estimated average annual GEO production ~ 3,000 Past-producing major underground mine with excellent 2P mineral reserves – 2.17 Moz Au at 2.51 g/t Au infrastructure and modest restart capital requirements with Measured and indicated mineral resources - 340 Koz Au H1-2025 target Inferred mineral resources - 455 Koz Au Recent restart plan projects a ten year mine life producing Underground bulk mining operation with potential 10.6Moz Ag, 260Kt Zn and 90Kt Pb.(9) production of up to 200Koz Au/year. Studies are ongoing for ore to be processed at Agnico Eagle’s Canadian Malartic (10) Mill.

MMEETTAALLLLMAA ER RTOAOYLYALALALT TRYY O &&Y SASTLTRTREYE A&AM MSI INTNRGGE A| | M SISNeepGpt tee|m m bJbueenr r e 22 020202424 4 | || 161616 6 Portfolio is highly Production Assets concentrated in 2 the Americas Assets in Construction Our strong foundation of current and future cash generating asset base, combined with an experienced team gives Metallaa clear path to becoming one of the 28 leading gold and silver companies for the next commodities cycle. Development Assets Metallahas employed a unique strategy in acquiring royalties and streams offering sellers a combination of Metallastock and cash. 11 Advanced Exploration Assets 55 Exploration Assets

MM EE TT AA LL LL AA RR OO YY AA LL TT YY && SS TT RR EE AA MM II NN GG || SS ee pp tt ee mm bb ee rr 22 00 22 44 | | 1717 TheValue Proposition 2.8X 8.50 8.00 Metalla’sconsensus 2.3X NAV per share has 7.50 grown at a CAGR of 7.00 over 16% since 1.8X Trading at Historic 6.50 coverage was P/NAV Valuation Gap 6.00 launched. 1.3X 5.50 0.8X 5.00 4.50 0.3X 19 19 19 19 19 0 0 0 0 0 0 0 0 0 20 0 0 21 21 21 21 21 21 21 21 21 21 21 21 22 22 22 22 22 22 22 22 22 22 22 22 23 23 23 23 23 23 23 23 23 23 23 23 4 4 4 4 4 4 4 4 4.00 ug pe c t ov ec an 2eb 2ar 2 pr 2ay 2 un 2Jul 2ug 2ep 2 t ov 2 ec 2Jan eb ar Apr ay un Jul ug ep Oct ov ec an eb ar pr ay un Jul ug ep t ov ec an eb ar pr ay un Jul ug ep t ov ec an 2eb 2 ar 2pr 2 ay 2un 2 Jul 2ug 2 A S O N D J F M A M J A S Oc N D F M M J A S N D J F M A M J A S Oc N D J F M A M J A S Oc N D J F M A M J A P/NAV(LHS) NAVPS (RHS) Source: SNL, street research

METALLMA ERTOAYLALLAT RY O&Y SATLRT EY A&M SI NT RGE A| M SI Ne pGt e|m bJ ue nr e2 022042 4 | | 1818 The Case for Emerging Mid-Tier Disciplined Royalty and Management Investment Streaming Company Experienced management team with a track Metalla’s portfolio has over 100 royalties and record of over 12 years of value accretive transactions streams with several cornerstone assets includingCôté-GosselinandTacaTaca Peer-Leading Best In Class Growth Jurisdictional Risk Metalla projected gold equivalent ounce Profile (“GEO”) production to be over 30,000 ounces Assets located in established mining regions annually from high-quality, long-life projects, across North America, South America, and expected to result in substantial growth in Australia cashflow

METALLA ROYALTY & STREAMING | September 2024 | 19 CONTACT US 6 0 4 . 6 9 6 . 0 7 4 1 I [email protected] Suite 501 – 543 Granville Street Vancouver, BC Canada V6C 1X8

METALLA ROYALTY & STREAMING | September 2024 | 20 TheCapital Structure ANALYST COVERAGE 91.75 0.8 3.5 96.0 $288M ~$9.0M $13.0M $22.9M $5.9 Basic Shares RSU’s Options Fully Market Cap @ Cash Convertible Facility Average Analyst Target Outstanding Diluted $3.00/share, July 5 2024 Debt Available SUPPORTIVE SHAREHOLDERS EXCHANGE TRADED FUNDS

METALLA ROYALTY & STREAMING | September 2024 | 21 OurLeadership Team BOARD OF DIRECTORS MANAGEMENT Lawrence Roulston | Non –Executive Chairman Brett Heath | Chief Executive Officer, Director Mining professional and geologist with over 35 years of diverse hands-on experience. Founder of Metalla – Mr. Heath is a metals and mining industry professional with 10 years of dedicated royalty and streaming experience. Alexander Molyneux | Non-Executive Director Jason Cho | President Metals and mining industry professional with 20+ years of executive experience. Holds several high- Accomplished mining executive with over 25 years of broad based experience in engineering, corporate finance, level executive and board positions. portfolio management and corporate development focused on the mining and materials sector. James Beeby| Non-Executive Director Saurabh Handa, CPA | Chief Financial Officer Chartered Professional Accountant with more than 15 years of financial accounting and auditing experience in the Corporate lawyer with 20 years’ experience advising clients on corporate finance and M&A matters mining industry. with a focus in the mining industry. Frank Hanagarne| Technical Advisor Mandy Johnston | Non-Executive Director Metals and mining industry professional with 35+ years experience at Newmont Mining and Coeur Mining as COO. Chartered Professional Accountant with 15+ years experience, currently serves as the VP Finance for Sunny Sara | VP Acquisitions Osisko Mining. Metals and mining industry professional with more than 5 years experience as an Economic Geology Research Brett Heath | Chief Executive Officer, Director Analyst & gold prospector. Jonah Townsend, CPA | Director of Finance Former Senior Accountant at KPMG Canada working primarily in the mining practice focused on accounting, tax, and internal controls.

METALLA ROYALTY & STREAMING | September 2024 | 22 Our Assets NO PROPERTY OPERATOR LOCATION METAL T ERMS PROPERTY OPERATOR LOCATION METAL T ERMS ICT Aranzazu Aura Minerals Zacatecas, Mexico Cu, Au, Ag 1% NSR Bancroft Transition Metals Ontario, Canada Au 1.0% NSR U El Realito Agnico Eagle Sonora, Mexico Ag, Au 2.0% NSR (subject to a 1% buyback) Beaudoin ExplorResources Timmins, Ontario Au, Ag 0.4% NSR D La Encantada First Majestic Silver Coahuila, Mexico Ag, Au 100% Gold GVR Big Island Voyageur Flin Flon, Manitoba Au 2.0% NSR O New Luika Shanta Gold Tanzania Au Stream on 15% of Ag Bint Property Glencore Timmins, Ontario Au 2.0% NSR RP Tocantinzinho G Mining Para, Brazil Au 0.75% NSR Royalty Biricu Minaurum Gold Guerrero, Mexico Au, Ag 2.0% NSR + $10/oz Ag Wharf Mine Coeur Mining South Dakota, USA Au 1.0% NSR Royalty Boulevard Independence Gold Yukon Au 1.0% NSR AkasabaWest Agnico Eagle Val d'Or, Quebec Au, Cu 2.0% NSR, payable after 210 Koz Au Caldera Metalla Nye County, NV Au 1.0% NSR Camflo Agnico Eagle Val d'Or, Quebec Au 1.0% NSR Amalgamated Kirkland Agnico Eagle Kirkland Lake, Ontario Au 0.45% NSR Capricho Pucara Peru Au, Ag 1.0% NSR Anglo / Zeke Nevada Gold Mines Nevada, USA Au 0.5% GOR Colbert/Anglo Newmont Timmins, Ontario Au 2.0% NSR Carlin East Ridgeline Minerals Elko, NV Au 1.0-2.0% NSR Copper King Pacific Empire BC, Canada Cu 1.0% NSR Castle Mountain Equinox Gold California, USA Au 5% NSR (South Dome) COSE Mine Pan American Silver Santa Cruz, Argentina Ag, Au 1.5% NSR Royalty CentroGold BHP Maranhão, Brazil Au 1-2% NSR Royalty DeSantis Mine Canadian Gold Miner Timmins, Ontario Au 1.5% NSR Copper World Hudbay Arizona, USA Cu, Mo, Ag 0.32% NSR Detour DNA Agnico Eagle Cochrane, Canada Au 2.0% NSR Dundonald Transition Metals Canada Cu, Ni 1.25% NSR Côté/ Gosselin IAMGOLD Gogama, Ontario Au 1.35% NSR Edwards Mine Alamos Gold Wawa, Ontario Au 1.25% NSR Endeavor Mine Polymetals NSW Australia Zn, Pb, Ag 4% NSR Elephant Head Transition Metals Canada Au 1.0% NSR Esperanza Zacatecas Silver Morelos, Mexico Ag 20% Ag Stream, capped at 500 Koz of Ag Fenn-Gibb South Mayfair Gold Timmins, Ontario Au 1.4% NSR Fifteen Mile Stream St Barbara Halifax, Nova Scotia Au 1.0% NSR Royalty Fortuity 89 Metalla Nevada, USA Au 1.5% NSR TN FMS Plenty St. Barbara Halfiax, Nova Scotia Au 3.0% NSR Royalty Golden Brew Highway 50 Gold Nevada, USA Au 0.5% NSR Royalty E Fosterville Agnico Eagle Victoria, Australia Au 2.5% GVR ON Golden Dome Warriedar Resources Nevada, USA Au 2.0% NSR Royalty M Garrison Mine STLLR Gold Kirkland Lake, Ontario Au 2.0% NSR Royalty I Goodfish Kirana Kirkland Lake Discoveries Kirkland Lake, Ontario Au 1.0% NSR P T Green Springs Orla Mining White Pine, NV Au 1.0-2.0% NSR O Hoyle Pond Ext. Newmont Timmins, Ontario Au 2.0% NSR, subject to 500 Koz exemption A Homathko Transition Metals Canada Au 1.0% NSR LE Josemaria Lundin Mining Argentina Cu, Au, Ag 0.08325% NPI R Hot Pot / Kelly Creek Nevada Exploration Humbolt, NV Au 1.5% NSR V La Fortuna Minera Alamos Durango, Mexico Au, Ag, Cu 3.5% NSR (2.5% capped at US$4.5M) LO Island Mountain Tuvera Elko, NV Au 1.0% - 2.0% NSR E Joaquin Mine Pan American Silver Santa Cruz, Argentina Ag, Au 2.0% NSR Royalty P Janice Lake Forum Energy Canada Cu, Ag 1.0% NSR D La Guitarra Sierra Madre Mexico State, Mexico Ag, Au 2% NSR X Jersey Valley Abacus Mining Pershing, NV Au 1.0% NSR La Parilla Silver Storm Durango, Mexico Ag, Pb 2% NSR E Kings Canyon Pine Cliff Millard, UT Au 1.0% - 2.0% NSR Lama Barrick Gold San Juan, Argentina Au, Ag, Cu 2.5-3.75% GVR Au, Ag, 0.25-3.0% NSR Cu Kirkland-Hudson Agnico Eagle Kirkland Lake, Ontario Au 2.0% NSR La Luz First Majestic San Luis Potosi, Mexico Ag 2.0% NSR NuevaUnion Teck Resources / Newmont Atacama, Chile Au 2.0% NSR Los Patos Private Venezuela Au 1.5% NSR Pine Valley Nevada Gold Mines Nevada, USA Au 3.0% NSR Royalty (subject to a 1.5% buyback) Maude Lake Transition Metals Canada Ni, Cu 1.0% NSR Red Hill NuLegacyGold Nevada, USA Au 1.5% GOR Mirado Mine Orefinders Kirkland Lake, Ontario Au 1.0% NSR + Option Santa Gertrudis Agnico Eagle Sonora, Mexico Au, Ag 2.0% NSR Royalty (subject to a 1.0% buyback) Montclerg IEP Timmins, Ontario Au 1.0% NSR TacaTaca First Quantum Argentina Cu, Mo, Ag 0.42% NSR North AK Agnico Eagle Kirkland Lake, Ontario Au 0.45% NSR Timmins West Ext. Pan American Silver Timmins, Ontario Au 1.5% NSR (subject to a 0.75% buyback) Northshore West NewpathResources Ontario Au 2.0% NSR TVZ Zone Newmont Timmins, Ontario Au 2.0% NSR Nub East Pacific Empire Canada Cu, Au 1.0% NSR Vizcachitas Los Andes Chile Cu, Mo, Ag 0.98% NSR NWT Pacific Empire Canada Cu 1.0% NSR Orion Minera Frisco Nayarit, Mexico Au, Ag 2.75% NSR Wasamac Agnico Eagle Val d'Or, Quebec Au 1.5% NSR (subject to a 0.5% buyback) Pelangio Poirier Pelangio Exp. Timmins, Ontario Au 1.0% NSR Aureus East Aurelius Minerals Halifax, Nova Scotia Au 1.0% NSR Pinnacle Pacific Empire Canada Cu, Au 1.0% NSR N Big Springs / Golden Dome AnovaMetals Elko, NV Au 2% NSR Pucarana Buenaventura Peru Au, Ag 1.8% NSR Option D IO Del Toro First Majestic Silver Zacatecas Ag, Au 2% NSR Puchildiza Metalla Chile Au 1.5% NSR E T La Joya Silver Dollar Durango, Mexico Ag, Au 2% NSR Ronda Platinex Timmins, Ontario Au 2.0% NSR C A Lac Pelletier Maritime Resources Quebec, Canada Au 1% NSR Santo Tomas Pucara Peru Au 1.0% NSR NAR Plomosas GR Silver Sinaloa, Mexico Ag, Au 2.0% NSR (subject to a 1% buyback) Saturday Night Transition Metals Canada Ni, Cu 1.0% NSR V LO San Luis Highlander Silver Peru Ag, Au 1.0% NSR Sirola Grenfell Pelangio Exp. Kirkland Lake, Ontario Au 0.25% NSR D P San Martin First Majestic Silver Jalisco, Mexico Ag, Au 2% NSR Solomon's Pillar Sage Gold Greenstone, Ontario Au 1.0% NSR A X Tower Mountain Thunder Gold Thunder Bay, Ontario Au 2% NSR E Saddle North Newmont British Columbia Au, Cu 0.25% NSR West Matachewan Transition Metals Canada Au 1.0% NSR West Wall Anglo American / Glencore Chile Cu, Mo, Ag 1.0% Net Proceeds Production Royalty Wollaston Copper Transition Metals Canada Cu 1.0% NSR Zaruma Pelorus Capital Ecuador Au 1.5% NSR

METALLA ROYALTY & STREAMING | September 2024 | 23 Pre-2010 $66 TheLandscape $64 $64 $61 • The royalty space has expanded rapidly, especially during the 2018-2021 period • Sector market cap has expanded by roughly 2.2x from 2010 to 2022, with the number of publicly listed companies expanding to 24 $48 • Sector has slowly become saturated at the junior level – which has led to consolidation $37 $31 $33 $25 $27 $23 $22 $20 $17 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 Current Acquired New Stream and Acquired Acquired Royalty Companies Acquired Acquired Acquired Acquired Acquired Acquired Number of (3) 14 15 16 16 16 17 18 19 20 20 25 28 25 25 Companies 24 Source: Scotiabank (1) Excludes private royalty companies (2) Market cap measured as of year end in respective year (3) Other new companies include Nova Royalty, Trident, Empress Royalty, Orogen Royalties

METALLA ROYALTY & STREAMING | September 2024 | 24 OSISKO GOLD METALLA TRIPLE FLAG ROYALTIES SANDSTORM GOLD ROYALTY ELEMENTAL Asset Operator Asset Operator Asset Operator Asset Operator Asset Operator Asset Operator TacaTaca Northparkes Canadian Hod Maden Canadian Caserones Malartic Malartic Vizcachitas RBPlat Mantos Antamina REN Karlawinda Blancos West Wall Cerro Lindo CSA Platreef Granite Cactus Creek NuevaUnion Gunnison Horne 5 Vale Iron Ore Titiribi Wahgnion Castle ATO Back Forty Blyvoor Fenelon Ming Mountain Wasamac Buritica Eagle Greenstone Whistler Bonikro Gosselin & Pumpkin Casino Chapada Côte Laverton Côté Hollow Garrison Kemess Cariboo Caserones La Mina Mercedes Copper World Prieska Corvette Aurizona Yellowknife Amancaya Complex Santa Fosterville Island Mercedes Jerritt Canyon Ballarat Gertrudis Average Mine Life 20 16 16 17 13 11 # of Assets in Top 10 with >US$1 bn Operator 8 5 3 8 4 2 Source: Company disclosure, FactSet, S&P Global Market Intelligence, street research Note: Top 10 assets based on Street consensus NPV.

METALLA ROYALTY & STREAMING | September 2024 | 25 Notes (1) For details, please refer to IAMGOLD’s 2023 Annual Information Form and IAMGOLD’s Press Release dated October 23, 2023 which Metalla holds a royalty, stream or other interest, and generally has limited or no ability to independently verify such available at sedarplus.ca. Annual GEOs calculated by applying the royalty rate and 6% Cote royalty coverage to life of mine information. Although Metalla does not have any knowledge that such information may not be accurate, the Company has not average production. independently verified this information and there can be no assurance that such third-party information iscomplete or accurate. Some information publicly reported by operators may relate to a larger property than the area covered by Metalla's royalty, (2) For details, please refer to the Feasibility Study – NI 43-101 Technical Report for the Tocantinzinho Gold Project with an streamor otherinterests. Metalla's royalty, stream or other interests can cover less than 100% and sometimes only a portion of the effective date of December 10, 2021 and the G Mining Ventures’ Press Release dated September 12, 2023. Annual GEOs publicly reported mineral reserves, resources and production of a property. Unless otherwise indicated,the technical and scientific calculated by applying royalty rateto life of mine average production. disclosure contained or referenced in this prsentation, including any references to mineral resources or mineral reserves, was prepared in accordance with Canadian NI 43-101, which differs significantly from the requirements of the U.S. Securities and (3) For details, please refer to the Technical Report for the Castle Mountain Project Feasibility Study with an effective date of Exchange Commission (the “SEC”) applicable to U.S. domestic issuers. Accordingly, the scientific and technical information February 26, 2021, NI 43-101 Technical Report on the Preliminary Feasibility Study for the Castle Mountain Project dated contained or referenced in this presentation may not be comparable to similar information made public by U.S. companies August28,2018andEquinoxGold’sQ32023ManagementandDiscussionavailableon sedarplus.ca.AnnualGEOscalculated subject to the reporting and disclosure requirements of the SEC. using2021Feasibility Studyfinancial modelHuntingtonTileRoyaltyrevenue over life of paying royalty mine. “Inferred mineral resources” have a great amount of uncertainty as to their existence and great uncertainty as to their economic (4) For details, please refer to the Taca Taca Project, Salta Province Argentina, Amended and Restated NI 43-101 Technical and legal feasibility. It cannot be assumed that all or any part of an inferred mineral resource will ever be upgraded to a higher Report issued March 30, 2021 and First Quantum Minerals’ Q3 2023 MD&A. Annual GEOs calculated by applying royalty rate category. Historical results or feasibility models presented herein are not guaranteesor expectations of future performance. to annualcopperproduction revenues divided bygold price. Metalla has included certain performance measures inthis press release that do not have any standardized meaning prescribed (5) For details, please refer to the NI 43-101 Technical Report, Copper World Complex, Pima County, Arizona USA, with an by International Financial Reporting Standards (IFRS) including attributable gold equivalent ounces (GEOs). The Company effective date of May 1, 2022, Hudbay Minerals’ 2022 Annual Information Form and the Information outlined on believes that, in addition to conventional measures prepared in accordance with IFRS, certain investors use this information to www.copperworldaz.com and the Copper World Pre-Feasibility Study dated September 8, 2023. Annual GEOs calculated by evaluate the Company's performance and ability to generate cash flow. Attributable GEOs are a non-IFRS financial measure that applying royalty rateto average annualcopperproduction revenues over firstten years divided bygold price is composed of gold ounces attributable to the Company, plus an amount calculated by taking the expected revenue by the Company from payable silver ounces, copper pounds, lead pounds and zinc pounds attributable to the Company, less material (6) For details, please refer to Coeur Mining’s 2023 Annual Information Form and Coeur Mining’s Q3 2023 Management costs, divided by the price of gold. The Company presents attributable GEOs as it believes that certain investors use this Discussion and Analysis 10-Q SEC Filing report. Annual GEOs calculated by applying royalty rate to 2023 production information to evaluate the Company’s performance in comparison to other streaming and royalty companies in the precious guidance metalsmining industrywhopresentattributable ounceson a similar basisThepresentation of thesenon-IFRS financial measures is intended to provide additional information and should not be considered in isolation or as a substitute for measures of (7) For details, please refer to the Feasibility Study of the Re-Opening of the Aranzazu Mine, Zacatecas, Mexico with an effective performancepreparedinaccordance with IFRS.Othercompanies maycalculatethesenon-IFRSfinancial measuresdifferently. date of January 31, 2018 and Aura Minerals’ 2023 Annual Information Form. Aura Minerals press released dated Agust 7 2023. AnnualGEOscalculatedbyapplyingroyalty rateto 2023production guidance Future-Oriented Financial Information (8) For details, please refer to the Vizcachitas Project Pre-Feasibility Study, Valparaiso Region, Chile, NI 43-101 Technical Report, This presentation contains future-oriented financial information and financial outlook information (collectively, "FOFI") about with an effective date of February 20, 2023 and the Los Andes Copper’s 2022 Annual Information Form. Annual GEOs Metalla and anticipated GEOsfrom its portfolio and which issubject to the assumptions, risk factors, limitations and qualifications calculated by applying royalty rateand 50% coverage rateto annualcopperproduction revenues divided bygold price. as set forth in this presentation. FOFI contained in this presentation was made as of the date of this presentation and was provided for the purpose of providing further information about Metalla's anticipated future business operations. Metalla (9) For details, please refer to the Polymetals Resources’ Mine Restart Study for the Endeavor Mine dated October 16 2023 and disclaims any intention or obligation to update or revise any FOFI contained in this presentation, whether as a result of new Polymetals Resources’ Improved Endeavor Silver Lead Zinc Mine Plan dated August 5 2024 and filed on ASX.com.au. Annual information, future events or otherwise, unless required pursuant to applicable law. FOFI contained in this news release should GEOs derived from Polymetals Resources’ Mine Restart Study page 9 Financial Model Summary royalty revenue estimate not beused forpurposesotherthan forwhich itisdisclosed herein. over ten years divided by gold price (0.7 AUD/USD). QUALIFIED PERSON (10) For details, please refer to Agnico Eagle Mines’ Q2 2023 and Q3 2023 Financial Statements and Yamana Gold’s 2023 Annual Information Form.Annual GEOscalculatedbyapplyingroyalty rateto annualgoldproduction guidance. The technical information contained in this presentation has been reviewed and approved by Charles Beaudry, geologist M.Sc., memberoftheAssociation of Professional Geoscientists of Ontario and of the Ordre des Géologues du Québec and a consultant Numbersmaynotaddduetorounding to Metalla. Mr. Beaudry isa QP asdefined inNationalInstrument 43-101Standardsof DisclosureforMineral Projects. All GEOscalculatedusing $1,500/ozgold price, $3.50copperprice. Metalla has limited, ifany, access to the properties on which Metalla holds a royalty, stream or other interest. Metalla isdependent on (i) the operators of the mines or properties and their qualified persons to provide technical or other information to Metalla, or (ii) publicly available information to prepare disclosure pertaining to properties and operations on the mines or properties on