Hecla Mining Company · NYSE:HL

Hecla Mining — Scotiabank 27th Annual Mining Conference 2025

72 slides from Hecla Mining's conference presentation, December 2025

  1. Slide 1: Scotiabank 27th Annual Mining Conference

    Largest Silver Producer in the U.S. and Canada SCOTIABANK 27th ANNUAL MINING CONFERENCE DECEMBER 2025 RESPONSIBLE. SAFE. INNOVATIVE.

  2. Slide 2: Cautionary Statements

    Cautionary Statements Cautionary Statement Regarding Forward-Looking Statements, Including 2025 Outlook Qualified Person (QP) Cautionary Statement Regarding Forward-Looking Statements, Including 2025 Outlook Kurt D. Allen, MSc., CPG, VP-Exploration of Hecla Mining Company and Paul W. Jensen, MSc., C

  3. Slide 3: Solid Foundation, Positioning for the Future

    Solid Foundation, Positioning for the Future Silver Legacy  Oldest silver company on the NYSE with 134 years of history Best Jurisdictions  All operations located in the U.S. and Canada Silver Focused  Peer leading silver exposure in revenue and resources Reserve Dominance  Average reserve life

  4. Slide 4: Our Asset Portfolio: Low Risk Jurisdictions

    Our Asset Portfolio: Low Risk Jurisdictions 2024 U.S. Silver Production Yukon Connaught, Dawson, Yukon Rackla, Mayo, Yukon Hecla, Keno Hill, Mayo, Yukon 37% Other, Alaska 63% Greens Creek, Admiralty Island, Alaska Québec Opinaca / Wildcat, James Bay, Québec 2024 U.S. Silver Production (Moz) Casa Ber

  5. Slide 5: Why Invest in Hecla? Industry Leading Reserve Mine Life

    Why Invest in Hecla? Industry Leading Reserve Mine Life 18 Mines sorted by highest to 18 17 lowest 3Q25 Gross Profit Colored - Primary Silver Mines Jacobina 16 left to right 16 Uncolored - Primary Gold Mines Lucky Friday 16 Rochester Keno Hill 14 Hecla Avg Reserve Mine Life*: 14 Years 14 La Colarada

  6. Slide 6: Why Invest in Hecla? High Grades, Long Reserve Lives, Best Jurisdictions

    Why Invest in Hecla? High Grades, Long Reserve Lives, Best Jurisdictions 20 Rochester Lucky La Colorada Friday Keno 16 Hill Hecla’s silver portfolio has Reserve Mine Life (Years) Greens 12 Creek an unparalleled combination of high 8 grades, long reserve lives, Palmerejo Los Gatos and best jurisdicti

  7. Slide 7: Why Invest in Hecla? Peer Leading Silver Exposure

    Why Invest in Hecla? Peer Leading Silver Exposure Exposure to Silver 60% Substantial silver revenue HL exposure 50% Percent of Reserves Based in Silver  Hecla (“HL”) derived ~48% of AG Q3 2025 revenue from silver, 40% up from 41% in Q2 2025. PAAS Hecla continues to outperform peers, 30% generating

  8. Slide 8: Why Invest in Hecla? Value Surfacing Potential

    Why Invest in Hecla? Value Surfacing Potential Undervalued Portfolio Hecla is a best-in-class value investment in the mid-cap silver space  Trades at ~$18.44 per silver equivalent ounce of reserves. 2.50x Value surfacing initiatives  Trading at ~1.83x NAV, a 12% premium to the peer group, 2.00x AG

  9. Slide 9: Why Invest in Hecla? Potential to Recapture Premium

    Why Invest in Hecla? Potential to Recapture Premium 3.00x 100% HL prem./disc. HL-US Silver 80% 2.50x Potential to re-rate Silver P/NAV premium/discount 60%  Historical premium P/NAV 2.00x valuation to peer group* Price / NAV 40% 1.50x 20%  Hecla Last 10 Years Average Premium of 17% 0% 1.00x  Hecl

  10. Slide 10: Low-cost Profile Silver Assets

    Low-cost Profile Silver Assets 2024 Actual AISC(4): Hecla Is Strongly Positioned at the Lower End of the Silver Cost Curve $/oz AISC Silver Peers* Hecla $24.75 $23.88 $21.11 $19.43 $18.70 $14.38 $13.06 Silver Production (Kt) - 20,000 40,000 60,000 80,000 100,000 Source: S&P Global Market Intelligenc

  11. Slide 11: Capital Allocation: Disciplined Strategy Driving Value Creation

    Capital Allocation: Disciplined Strategy Driving Value Creation Safety & Deleveraging, Sustaining Shareholder Environmental Growth Capital Exploration Balance Sheet Excellence Capital Strength Returns - 10 - 15% 10 - 12% Asymmetric Potential 5 - 7% - Conceptual Returns  Aligns with  Maintains  In

  12. Slide 12: Committed To Responsible Mining

    Committed To Responsible Mining 2024 All-Injury Frequency Rate of 1.86 (*) 44,736 hours of safety and health  Introduced a program focused on safety values: Safety 365 – training for employees and Work Safe, Home Safe contractors Small environmental footprint  38% reduction in Scopes 1 and 2 green

  13. Slide 13: Our Operations

    OUR OPERATIONS Silver mines are in the best third of cost curve RESPONSIBLE. SAFE. INNOVATIVE. 13

  14. Slide 14: Performance Overview – Last Five Quarters

    Performance Overview – Last Five Quarters Dollars in thousands unless otherwise stated 3Q-2025 2Q-2025 1Q-2025 4Q-2024 3Q-2024 Silver Production (oz.) 4,590,276 4,520,510 4,112,394 3,874,344 3,645,004 Gold Production (oz.) 40,654 45,895 34,232 35,727 32,280 Lead Production (ton) 14,757 14,650 14,007

  15. Slide 15: Greens Creek: Cornerstone Mine, Foundation Of Our Future

    Greens Creek: Cornerstone Mine, Foundation Of Our Future Metals Location Reserve Mine Plan 2024 Economic Impact Ag, Au, Pb, Zn, Cu Alaska 12 Years $266M Ag Reserves & Resources Cumulative Free Cash Flow(1) (Billions $) As of December 31, 2024 3.0 2.1 2.0 1.0 P&P : 104 Moz 1.0 - M&I : 107 Moz 2006 20

  16. Slide 16: Continuous Improvement Since Acquisition

    Continuous Improvement Since Acquisition Mill Throughput Focused on Quality over Quantity Silver/Gold Mill Recoveries, 2008 – Q3 2025 Tons per Day % 9% increase in silver recoveries, Recent shift of focus and 15% increase in gold on quality of tons vs recoveries since 2008. quantity Silver Recoverie

  17. Slide 17: Lucky Friday: 2nd Cornerstone Mine

    Lucky Friday: 2nd Cornerstone Mine Metals Location Reserve Mine Plan 2024 Economic Impact Ag, Pb, Zn Idaho 17 Years $171M Ag Reserves & Resources Silver Production As of December 31, 2024 (Moz) ~2x 50 by Decade* (Projected) P&P : 72 Moz 30 26 28 28 27 M&I : 40 Moz 18 1962-1971 1972-1981 1982-1991 19

  18. Slide 18: Underhand Closed Bench (UCB) Method

    Underhand Closed Bench (UCB) Method Large-scale blasting proactively helps manage seismic risk and increases throughput More innovative: uses Safer: miners work advanced drilling and blasting below engineered techniques to fragment the backfill and above a de- mineralized ore zone stressed zone More

  19. Slide 19: Keno Hill: Largest Silver Producer In Canada

    Keno Hill: Largest Silver Producer In Canada Metals Location Reserve Mine Plan 2024 Economic Impact Ag, Pb, Zn Yukon 16 Years $179M Ag Reserves & Resources Projected Cash Flow at 440 TPD As of December 31, 2024 P&P : 64 Moz $125 $100 M&I : 14 Moz $75 Keno Hill Water Treatment Plant Inferred : 19 Moz

  20. Slide 20: Path to Profitability at 440 Tons Per Day

    Path to Profitability at 440 Tons Per Day Key Consistent 440 tons per day Requirements Q3 2025 Mill Throughput Infrastructure  Reliable power supply  Cemented tails batch plant to transition to Silver production of 898.3 Koz at Requirements underhand mining  Water treatment plant (designs and upg

  21. Slide 21: Casa Berardi: Strong Cash Generation Driving Strategic Options

    Casa Berardi: Strong Cash Generation Driving Strategic Options Metals Location Reserve Mine Plan 2024 Economic Impact Au Quebec 12 Years $259M Au Reserves & Resources As of December 31, 2024  Strategic Review Update:  Received multiple inquiries and offers P&P : 1,291 Koz  Gold price: ~ $1,000 hi

  22. Slide 22: Financial Review

    FINANCIAL REVIEW RESPONSIBLE. SAFE. INNOVATIVE. 22

  23. Slide 23: Q3 Financial Highlights

    Q3 Financial Highlights Q3/25 Revenues By Metal Net Debt – Last Twelve Months Siver accounts for 47.5% of revenues in millions $ Silver Gold Lead Zinc 523.8 545.0 9% 6% Q3 2025 Revenue 48% 268.2 $393.4M* 37% 143.8 Q4 2024 Q1 2025 Q2 2025 Q3 2025 Q3/25 Revenues By Operation 17% 10% 3% 4% Q3 2025 21%

  24. Slide 24: Q3 Financial Highlights and Capital Allocation

    Q3 Financial Highlights and Capital Allocation 1.6 9% $506 1.4 Q3 6% Net Debt to 1.2 Revenues $393M* Adjusted EBITDA $399 1 48% ($ millions) 0.7x Adjusted 0.8 Silver accounts EBITDA (2) 0.6 for ~48% of Q3 Net leverage 0.3x 37% 0.4 revenues Silver ratio of 0.3x Net0.2 Leverage Gold Ratio (2) Lead 0 Z

  25. Slide 25: Hecla at a Glance

    Hecla at a Glance Company Overview Ownership Overview2 Headquarters Coeur d’Alene, Idaho Stock Ticker NYSE: HL Common Shares Outstanding 669.2M1 25% Market Capitalization $10.1B2 Cash Position $133.9M1 Long-Term Debt $261.8M1 75% Short-Term Debt -1 Retail Institutional Dividend (paid quarterly) $0.0

  26. Slide 26: Exploration

    EXPLORATION RESPONSIBLE. SAFE. INNOVATIVE. 26

  27. Slide 27: Discovering And Expanding Resources

    Discovering And Expanding Resources Greens Creek ($9M) $28M Focus on resource expansion and Exploration budget for 2025, conversion to expand and upgrade multiple ore focused on Greens Creek and zones Keno Hill, with significant investment in Nevada Nevada ($4.9M) Keno Hill ($8.4M) Exploration activ

  28. Slide 28: Value Surfacing Opportunities in Nevada

    Value Surfacing Opportunities in Nevada Significant exploration potential, Minimal regulatory hurdles, Existing infrastructure Midas  Fully permitted mill with tailings capacity  2.2 Moz gold, 27.0 Moz silver produced historically at 0.5 oz/ton gold equivalent Midas Mill and Tailings Facility  Hi

  29. Slide 29: Nevada – Midas: High Grade Gold Intercepts at Two New Targets

    Nevada – Midas: High Grade Gold Intercepts at Two New Targets; Aurora Permitting Received FONSI and Decision Notice Strong early results from Pogo and Sinter target areas Proven and Probable Measured and Indicated Inferred Silver 2025 Production Proven and Probable Measured and Indicated Inferred SE

  30. Slide 30: Nevada – Midas Discovery Update: High-Grade Gold Intersected at Two Targets

    Nevada – Midas Discovery Update: High-Grade Gold Intersected at Two Targets Expanded drilling program in progress for follow-up offset drilling Proven and Probable Measured and Indicated Inferred Silver 2025 Production Proven and Probable Measured and Indicated Inferred SEO 2025 Exploration Silver R

  31. Slide 31: Aurora – Multiple Discoveries Over Two Centuries

    Aurora – Multiple Discoveries Over Two Centuries Midas Interstate 80 Winnemucca Elko Reno Aurora Hawthorne Tonopah N 100 Miles Aurora Mine and Mill Midas Mine and Mill Las Hecla Asset Vegas Epithermal Mineral Trend Aurora 2026 Exploration Targets Carlin Mineral Trend Aurora Mine and Mill 31 Note: Re

  32. Slide 32: Nevada – Midas Discovery Success Validates District-Scale Resource Growth

    Nevada – Midas Discovery Success Validates District-Scale Resource Growth 1. Discovery Momentum • High-grade gold intersected at 2 new targets (Pogo & Sinter Offset) • Systematic approach validated: 5 targets tested, structures confirmed at 4 • Early-stage discoveries demonstrate district-scale pote

  33. Slide 33: Greens Creek – Extending Mineralization Underground While Advancing Surface Exploration

    Greens Creek – Extending Mineralization Underground While Advancing Surface Exploration Proven and Probable Measured and Indicated Inferred Silver 2025 Production Proven and Probable Measured and Indicated Inferred SEO 2025 Exploration Silver Reserves Silver Resources Resources Outlook SEO Reserves*

  34. Slide 34: Greens Creek – Gallagher Zone: 550-Foot Extension

    Greens Creek – Gallagher Zone: 550-Foot Extension Demonstrates Resource Growth Potential Proven and Probable Measured and Indicated Inferred Silver 2025 Production Proven and Probable Measured and Indicated Inferred SEO 2025 Exploration Silver Reserves Silver Resources Resources Outlook SEO Reserves

  35. Slide 35: Greens Creek – Extending Mineralization In Multiple Zones

    Greens Creek – Extending Mineralization In Multiple Zones 1. Expanding Underground Mineralization • Gallagher: Extended mineralization 550 feet from existing resource • Best intercept: 3.6 ‘ @ 31. oz/ton silver, 5.8% zinc, and 3.1% lead • 200S Zones: Silver-rich mineralization warrants 2026 follow-u

  36. Slide 36: Keno Hill – Potential New Bermingham Ore Shoot Discovered

    Keno Hill – Potential New Bermingham Ore Shoot Discovered Proven and Probable Measured and Indicated Inferred Silver 2025 Production Proven and Probable Measured and Indicated Inferred SEO 2025 Exploration Silver Reserves Silver Resources Resources Outlook SEO Reserves* SEO Resources* Resources* Bud

  37. Slide 37: Keno Hill – Bermingham Discovery: High-Grade Intercepts Indicates New Ore Shoot

    Keno Hill – Bermingham Discovery: High-Grade Intercepts Indicates New Ore Shoot Proven and Probable Measured and Indicated Inferred Silver 2025 Production Proven and Probable Measured and Indicated Inferred SEO 2025 Exploration Silver Reserves Silver Resources Resources Outlook SEO Reserves* SEO Res

  38. Slide 38: Keno Hill – Discovery Success Continues Adding Mineralization

    Keno Hill – Discovery Success Continues Adding Mineralization 1. New High-Grade Discovery • Potential new Bermingham ore shoot identified 500’ from existing reserve • Best Intercept: 12.5’@40.4 oz/ton silver, 3.8% zinc, and 3.1% lead • Multiple high-grade vein intersections 2. Systematic Exploration

  39. Slide 39: Rackla – Large 1,700 Sq. Km Land Package

    Rackla – Large 1,700 Sq. Km Land Package Significant Opportunity for Tier 1 Silver and Gold Discoveries RAU: INTRUSION RELATED POLYMETALLIC NADALEEN: CARLIN GOLD Tiger Carbonate Replacement Au Osiris cluster Carlin-style Au Deposits (CRD) Anubis Carlin-style Au Val & Al CRD or Keno style Orogenic Ag

  40. Slide 40: Montana: 330 Moz Silver | 2.8B lbs Copper

    Montana: 330 Moz Silver | 2.8B lbs Copper – 3rd Largest Undeveloped Copper Deposit in U.S. Working to advance underground data Located 50 miles from Lucky Friday collection and permitting with great exploration potential Overview and Inferred Resources (as of 12/31/24) Permitting strategy - Libby 

  41. Slide 41: Appendix

    APPENDIX End Notes and GAAP reconciliations RESPONSIBLE. SAFE. INNOVATIVE. 41

  42. Slide 42: Guidance – Strong Silver Margins, Cost Guidance Lowered

    Guidance – Strong Silver Margins, Cost Guidance Lowered Silver Production (Moz) Gold Production (Koz) Silver Equivalent (Moz)6, 8 Gold Equivalent (Koz)6, 8 Greens Creek * 8.4 – 8.8 53 – 55 18.5 – 19.0 195 – 200 2025 Production Lucky Friday * 4.9 – 5.1 N/A 8.0 – 8.5 80 – 85 Outlook Casa Berardi N/A 9

  43. Slide 43: Silver Market

    SILVER MARKET RESPONSIBLE. SAFE. INNOVATIVE. 43

  44. Slide 44: The World’s Growing Needs For Silver

    The World’s Growing Needs For Silver Five distinct periods of silver demand, three that Despite decrease in photographic demand, total are strengthening demand increased 30%, or 269Moz due to the increase in industrial and investment demand  Monetary by governments (2000 BC to 1936 AD)  Photograph

  45. Slide 45: Silver Supply And Demand

    Silver Supply And Demand 2024 SILVER DEMAND: 1,164 Moz 2024 SILVER SUPPLY: 1,015 Moz Other 3% Jewelry and Recycling Silverware Photo Mine Prod. - Other voltaics 19% Primary Silver 23% 25% 29% 23% Brazing Alloys Investment 49% Electronics Mine Prod. - Silver as a by- 16% and Electrical product 38% In

  46. Slide 46: Silver Deficit Is Expected To Continue

    Silver Deficit Is Expected To Continue Moz $/oz $38 1,200 $34 700 1,284 1,199 1,164 1,148 $30 1,102 993 973 1,001 1,006 929 200 $26 $22 300 1,025 1,014 1,016 974 1,023 1,035 998 1,015 1,031 1,057 $18 800 $14 Demand Supply Net Market Position Silver Price 1,300 $10 2016 2017 2018 2019 2020 2021 2022

  47. Slide 47: Solar Will Be The Largest Source Of Electricity

    Solar Will Be The Largest Source Of Electricity 1 Gigawatt (GW) of solar capacity requires 0.45Moz of silver U.S. Electricity Generation Sources: 2000-2050 2022 Solar projected to be 33% of total Gigawatt history | projections U.S. energy generation by 2050 6,000 5,000 4,000 Solar 3,000 Wind 2,000 N

  48. Slide 48: More Efficient Photovoltaic Technologies Use More Silver

    More Efficient Photovoltaic (PV) Technologies Use More Silver And Are Gaining Market Share Silver Content in PV Technologies Market Share of PV Technologies Mg Silver/Watt Higher silver using technologies are gaining 22 market share PV Installations Newer, more efficient Gigawatts PERC TopCon HJT Ot

  49. Slide 49: Environmental, Social, Governance

    Environmental, Social, Governance Our sustainable ESG Corporate Governance responsibilities RESPONSIBLE. SAFE. INNOVATIVE. 49

  50. Slide 50: Sustainability Rating Agency Scores: Significant Improvements Since 2019

    Sustainability Rating Agency Scores: Significant Improvements Since 2019 Agency Progression in ESG Scores  Overall Score increased from 53rd 38 40 39 percentile to 77th percentile  Environmental Score increased to 24 83rd percentile 15 13  Social Score increased to 70th percentile 2019 2020 2021

  51. Slide 51: ESG Performance And Ratings

    ESG Performance And Ratings Ranking: 40 Score: 32.1 (0 best, 100 worst) 76th Percentile Industry 56/107, 52nd percentile Subindustry 18/25, 71st percentile Rating: A Rating: C Score: 6.3 Environment: 5 (1 best, 10 worst) Social: 6 (1 best, 10 worst) Governance: 3 (1 lower, 10 higher) 51

  52. Slide 52: Hecla Is Among The Safest Mining Companies

    Hecla Is Among The Safest Mining Companies Implemented NMA’s CORESafety standards in 2012, became Industry leader All-Injury Frequency Rate Hecla’s 1.86 rate has seen a 6.06 70% reduction since 2012 5.35 5.41 Industry leading 4.57 70% reduction since SHMS inception 3.42 2.76 2.00 1.86 1.61 1.45 1.45

  53. Slide 53: Committed To Our Communities

    Committed To Our Communities Total economic impact in 2024 Largest private employer within the communities we operate, jobs and $1B+ benefits that last a lifetime Hecla Corporate Montana  Total direct economic impact of over $130M $2M $1 billion Greens Creek San Sebastian $266M $4M  More than $1M

  54. Slide 54: End Notes

    End Notes 1. Free cash flow is a non-GAAP measure and is calculated as cash flow from operations less additions to property, plant and equipment net of finance leases. Reconciliation to GAAP is shown in the appendix. 2. Net debt to adjusted EBITDA is a non-GAAP measurement, a reconciliation of adjus

  55. Slide 55: GAAP Reconciliations

    GAAP RECONCILIATIONS RESPONSIBLE. SAFE. INNOVATIVE. 55

  56. Slide 56: Adjusted EBITDA

    Adjusted EBITDA Reconciliation of Net Income (GAAP) to Adjusted EBITDA (non-GAAP) Last Twelve Months Q3 2025 Q2 2025 Dollars in thousands (USD) Net income $ 199,227 $ 100,262 Interest expense 49,839 47,335 Income and mining tax expense 111,652 68,225 Depreciation, depletion and amortization 167,669

  57. Slide 57: Cash Cost And AISC Reconciliation To GAAP

    Cash Cost And AISC Reconciliation To GAAP Silver Total Cost of Sales (GAAP) to Cash Cost, Before By-product Credits and Cash Cost, After By-product Credits (non-GAAP) and All-In Sustaining Costs, Before By-product Credits, per Ounce and All-In Sustaining Costs, After By-product Credits, per Ounce (n

  58. Slide 58: Cash Cost And AISC Reconciliation To GAAP

    Cash Cost And AISC Reconciliation To GAAP Greens Creek Total Cost of Sales (GAAP) to Cash Cost, Before By-product Credits and Cash Cost, After By-product Credits (non-GAAP) and All-In Sustaining Costs, Before By-product Credits, per Ounce and All-In Sustaining Costs, After By-product Credits, per Ou

  59. Slide 59: Cash Cost And AISC Reconciliation To GAAP

    Cash Cost And AISC Reconciliation To GAAP Lucky Friday Total Cost of Sales (GAAP) to Cash Cost, Before By-product Credits and Cash Cost, After By-product Credits (non-GAAP) and All-In Sustaining Costs, Before By-product Credits, per Ounce and All-In Sustaining Costs, After By-product Credits, per Ou

  60. Slide 60: Cash Cost And AISC Reconciliation To GAAP

    Cash Cost And AISC Reconciliation To GAAP Casa Berardi Total Cost of Sales (GAAP) to Cash Cost, Before By-product Credits and Cash Cost, After By-product Credits (non-GAAP) and All-In Sustaining Costs, Before By-product Credits, per Ounce and All-In Sustaining Costs, After By-product Credits, per Ou

  61. Slide 61: Free Cash Flow (Non-GAAP) Reconciliation

    Free Cash Flow (Non-GAAP) Reconciliation Q3 2025 Reconciliation of cash provided by operating activities (GAAP) to Free Cash Flow (non-GAAP) for All Operations Greens Creek Lucky Friday Keno Hill Casa Berardi in millions Cash provided by operating activities 83.4 29.3 22.1 49.0 Additions to property

  62. Slide 62: Mineral Reserves and Resources

    MINERAL RESERVES AND RESOURCES RESPONSIBLE. SAFE. INNOVATIVE. 62

  63. Slide 63: Mineral Reserves – 12/31/2024 (1/4)

    Mineral Reserves – 12/31/2024(1) (1/4) Proven Reserves(1) Silver Gold Lead Zinc Silver Gold Lead Zinc Asset Location Ownership Tons (000) (oz/ton) (oz/ton) % % (000 oz) (000 oz) Tons Tons Greens 100.0% 9 7.6 0.07 2.4 6.5 70 1 220 600 Creek (2,3) Lucky 100.0% 5,285 11.9 - 7.6 3.6 62,825 - 400,400 189

  64. Slide 64: Mineral Reserves – 12/31/2024 (2/4)

    Mineral Reserves – 12/31/2024(1) (2/4) Probable Reserves(7) Silver Gold Lead Zinc Silver Gold Lead Zinc Asset Location Ownership Tons (000) (oz/ton) (oz/ton) % % (000 oz) (000 oz) Tons Tons Greens 100.0% 10,438 9.9 0.08 2.3 6.2 103,641 864 240,450 645,410 Creek (2,3) Lucky 100.0% 790 11.4 - 7.6 3.1

  65. Slide 65: Mineral Reserves – 12/31/2024 (3/4)

    Mineral Reserves – 12/31/2024(1) (3/4) Proven and Probable Reserves Silver Gold Lead Zinc Silver Gold Lead Zinc Asset Location Ownership Tons (000) (oz/ton) (oz/ton) % % (000 oz) (000 oz) Tons Tons Greens 100.0% 10,447 9.9 0.08 2.3 6.2 103,771 865 240,670 646,010 Creek (2,3) Lucky 100.0% 6,075 11.8

  66. Slide 66: Mineral Reserves – 12/31/2024 (4/4)

    Mineral Reserves – 12/31/2024(1) (4/4) 1. The term “reserve” means an estimate of tonnage and grade or quality of indicated and measured mineral resources that, in the opinion of the qualified person, can be the basis of an economically viable project. More specifically, it is the economically minea

  67. Slide 67: Mineral Resources - 12/31/2024 (1/6)

    Mineral Resources - 12/31/2024(8) (1/6) Measured Resources(9) Silver Gold Lead Zinc Copper Silver Gold Lead Zinc Copper Asset Location Ownership Tons (000) (oz/ton) (oz/ton) % % % (000 oz) (000 oz) (Tons) (Tons) (Tons) Greens Creek(12,13) 100.0% - - - - - - - - - - - Lucky Friday(12,14) 100.0% 3,781

  68. Slide 68: Mineral Resources - 12/31/2024 (2/6)

    Mineral Resources - 12/31/2024(8) (2/6) Indicated Resources(10) Silver Gold Lead Zinc Copper Silver Gold Lead Zinc Copper Asset Location Ownership Tons (000) (oz/ton) (oz/ton) % % % (000 oz) (000 oz) (Tons) (Tons) (Tons) Greens Creek(12,13) 100.0% 7,619 14.1 0.10 3.0 8.0 - 107,226 760 227,360 607,60

  69. Slide 69: Mineral Resources - 12/31/2024 (3/6)

    Mineral Resources - 12/31/2024(8) (3/6) Measured & Indicated Resources Silver Gold Lead Zinc Copper Silver Gold Lead Zinc Copper Asset Location Ownership Tons (000) (oz/ton) (oz/ton) % % % (000 oz) (000 oz) (Tons) (Tons) (Tons) Greens Creek(12,13) 100.0% 7,619 14.1 0.10 3.0 8.0 - 107,226 760 227,360

  70. Slide 70: Mineral Resources - 12/31/2024 (4/6)

    Mineral Resources - 12/31/2024(8) (4/6) Inferred Resources(11) Silver Gold Lead Zinc Copper Silver Gold Lead Zinc Copper Asset Location Ownership Tons (000) (oz/ton) (oz/ton) % % % (000 oz) (000 oz) (Tons) (Tons) (Tons) Greens Creek(12,13) 100.0% 1,878 13.4 0.08 2.9 6.9 - 25,106 151 54,010 130,120 -

  71. Slide 71: Mineral Resources - 12/31/2024 (5/6)

    Mineral Resources - 12/31/2024(8) (5/6) Note: All estimates are in-situ except for the proven reserves at Greens Creek and Keno Hill which are in surface stockpiles. Stockpile materials make up 26.5k tons of proven reserves at Casa Berardi . Mineral resources are exclusive of reserves. 8. The term "

  72. Slide 72: Mineral Resources - 12/31/2024 (6/6)

    Mineral Resources - 12/31/2024(8) (6/6) 17. Mineral resources for underground zones at San Sebastian reported at a cut-off value of $158.8/ton ($175/tonne), open pit resources reported at a cut-off value of $72.6/ton ($80/tonne); Metallurgical recoveries based on grade dependent recovery curves: rec

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