Alamos Gold Inc. · TSX:AGI

Alamos Gold — Shareholder Meeting (May 2025)

24 slides from Alamos Gold's shareholder meeting presentation, May 29, 2025

  1. Slide 1: Annual Meeting of Shareholders

    Annual Meeting of Shareholders John A. McCluskey President & Chief Executive Officer May 29, 2025

  2. Slide 2: Cautionary notes

    Cautionary notes This presentation, the information contained herein, any other materials provided in connection with this presentation and any oral remarks accompanying this presentation (collectively, the “Presentation”), has been prepared by Alamos Gold Inc. (“Alamos” or the “Company”) solely for

  3. Slide 3: 2024 – year in review

    2024 – year in review TSX:AGI | NYSE:AGI 3

  4. Slide 4: ESG – leading on key metrics with focus on continuous improvement

    ESG – leading on key metrics with focus on continuous improvement Environment Social Lower GHG emissions per oz gold produced per 200,000 hours worked 0.25 64% 1 0.83 44% 0.2 0.16 0.20 0.14 tCO2e/oz Au 0.8 0.15 0.6 lower than 0.09 0.4 0.30 reduction in LTIFR 0.1 0.07 industry average 0.06 0.2 since

  5. Slide 5: Met 2024 full year guidance

    Met 2024 full year guidance Record operational & financial performance Gold Production (koz) & AISC (US$/oz)1,2 Cash Flow from Operations 800 700 $1,135 $1,204 $1,160 $1,281 $1,400 $1,200 (before changes in WC)1 (US$M) $726 567k oz $1,046 600 567 529 $1,000 $519 record annual production; 7% increase

  6. Slide 6: 2024 operational highlights

    2024 operational highlights Island Gold District Young-Davidson Mulatos District 155k oz $141M $240M • Island Gold Mine – record production • record mine-site free cash flow1 • record mine-site free cash flow1 • Magino mill optimization well underway • well positioned to generate similar FCF • produ

  7. Slide 7: Long-term track record of creating value through exploration

    Long-term track record of creating value through exploration Growing, long-life Mineral Reserve base1 13,954 14,000 13,000 Magino +44% +8M oz 12,000 10,257 10,455 10,688 11,000 9,726 9,870 increase in Mineral Reserves1, Mineral Resources1 delineated 9,702 10,000 over past six years, net of over past

  8. Slide 8: Long-term track record of creating value

    Long-term track record of creating value Island Gold + Magino (US$M) Young-Davidson (US$M) $149 $546 $6.9B combined value created $4,608 $1,695 since acquisition through1,2: $1,367 $950 ✓ ongoing exploration success Acquisition Cost Island Gold (2017) & Magino Consensus NPV & Cumulative FCF Acquisit

  9. Slide 9: Island Gold + Magino

    Island Gold + Magino Creation of one of Canada’s largest & lowest cost gold mines >400k oz 4.3M oz ~$515M Significant upside per year at first quartile costs, Mineral Reserves, 2.5M oz M&I & synergies2 expected to be created potential through expansion of single post Phase 3+ Expansion 5.0M oz Infer

  10. Slide 10: Ongoing value creation driving strong outlook

    Ongoing value creation driving strong outlook TSX:AGI | NYSE:AGI 10

  11. Slide 11: Development projects: High-return organic growth in low-risk jurisdictions

    Development projects: High-return organic growth in low-risk jurisdictions 2025 2026 2027 2028 Longer-term Production at 2400 tpd Island Gold P3+ Expansion Construction >400k oz/year from Island Gold District Expansion to create one of lowest cost & most profitable gold mines in Canada Mid-year: LOM

  12. Slide 12: Island Gold Phase 3+ Expansion – on track for completion H1 2026

    Island Gold Phase 3+ Expansion – on track for completion H1 2026 75% of total Phase 3+ growth capital Shaft sink at 1,154 m by end of April; spent & committed to date1,2 ~84% of ultimate planned depth Shaft area – May 2025 Paste plant – May 2025 1 A capital estimate update was released in September

  13. Slide 13: Strong outlook

    Strong outlook Growing, long-life Canadian production; declining cost profile 1,000 $1,281 $1,275 $1,400 24% 900 $1,200 production growth expected by 2027 $1,175 800 $1,200 ~900k oz Production (000 oz Au) 700 600 $1,000 longer-term production rate, ~59% growth 500 from 2024 400 $800 300 8% 200 $600

  14. Slide 14: Growing intermediate gold producer in low-risk jurisdictions

    Growing intermediate gold producer in low-risk jurisdictions Uniquely positioned AGI - NYSE GDX GDXJ Gold (US$/oz) S&P 500 280% High-quality, long-life operations 240% Low-risk jurisdictions 200% Fully funded, high-return growth 160% 120% Expanding margins & profitability 80% Strong ongoing free cas

  15. Slide 15: Appendices

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  16. Slide 16: Board of Directors, Executive and Management Team

    Board of Directors, Executive and Management Team Board of Directors J. Robert S. John A. Alexander Claire M. C. Chana Richard Elaine Ellingham David Fleck Tony Giardini Monique Mercier Shaun Usmar Prichard McCluskey Christopher Kennedy Martineau McCreary Chairman Director Director Director Director

  17. Slide 17: 2025 guidance

    2025 guidance 2025 Guidance 2024A Island Young- Mulatos District Lynn Lake Total Total Gold District Davidson Gold production (000 oz) 275 - 300 175 - 190 130 - 140 - 580 - 630 567 Total cash costs1 ($/oz) $725 - 775 $1,075 - 1,125 $925 - 975 - $875 - 925 $927 All-in sustaining costs1 ($/oz) $1,250

  18. Slide 18: 2025 - 2027 guidance

    2025 - 2027 guidance1 2025 2026 2027 Gold Production (000 oz) Island Gold District 275 - 300 330 - 355 375 - 400 Young-Davidson 175 - 190 180 - 195 180 - 195 Mulatos District 130 - 140 120 - 130 125 - 135 Total Gold Production (000 oz) 580 - 630 630 - 680 680 - 730 Total Cash Costs1 ($/oz) $875 - 92

  19. Slide 19: Total Proven & Probable Mineral Reserves

    Total Proven & Probable Mineral Reserves PROVEN AND PROBABLE GOLD RESERVES (as at December 31, 2024) Proven Reserves Probable Reserves Total Proven and Probable Tonnes Grade Ounces Tonnes Grade Ounces Tonnes Grade Ounces (000's) (g/t Au) (000's) (000's) (g/t Au) (000's) (000's) (g/t Au) (000's) Isla

  20. Slide 20: Total Measured & Indicated Mineral Resources

    Total Measured & Indicated Mineral Resources MEASURED AND INDICATED GOLD MINERAL RESOURCES (as at December 31, 2024) Measured Resources Indicated Resources Total Measured and Indicated Tonnes Grade Ounces Tonnes Grade Ounces Tonnes Grade Ounces (000's) (g/t Au) (000's) (000's) (g/t Au) (000's) (000'

  21. Slide 21: Total Inferred Mineral Resources

    Total Inferred Mineral Resources INFERRED GOLD MINERAL RESOURCES (as at December 31, 2024) Tonnes Grade Ounces (000's) (g/t Au) (000's) Island Gold 7,106 16.52 3,774 Magino 40,383 0.91 1,177 Young-Davidson - Surface 31 0.99 1 Young-Davidson - Underground 1,880 3.25 197 Total Young-Davidson 1,911 3.2

  22. Slide 22: Notes to Mineral Reserve and Resource estimates

    Notes to Mineral Reserve and Resource estimates Qualified Persons Chris Bostwick, FAusIMM, Alamos Gold’s Senior Vice President, Technical Services, has reviewed and approved the scientific and technical information contained in this news release. Chris Bostwick is a Qualified Person within the meani

  23. Slide 23: Cautionary Note to U.S. Investors

    Cautionary Note to U.S. Investors Alamos prepares its disclosure in accordance with the requirements of securities laws in effect in Canada. Unless otherwise indicated, all Mineral Resource and Mineral Reserve estimates included in this Presentation have been prepared in accordance with National Ins

  24. Slide 24: Scott K. Parsons, CFA SVP, Corporate Development & Investor Relations

    SCOTT K. PARSONS, CFA SVP, Corporate Development & Investor Relations 416.368.9932 x 5439 ir@alamosgold.com KHALID ELHAJ, P.ENG., CFA VP, Business Development & Investor Relations 416.368.9932 x 5427 ir@alamosgold.com

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