Alamos Gold Inc. · TSX:AGI
Alamos Gold — Shareholder Meeting (May 2026)
22 slides from Alamos Gold's shareholder meeting presentation, May 28, 2026
Slide 1: Annual Meeting of Shareholders
Annual Meeting of Shareholders John A. McCluskey President & Chief Executive Officer May 28, 2026
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”), have been prepared by Alamos Gold Inc. (“Alamos” or the “Company”) solely fo
Slide 3: 2025 – year in review
2025 – year in review TSX:AGI | NYSE:AGI 3
Slide 4: 2025 operational & financial results
2025 operational & financial results Expanding margins drive record financial performance Gold Production (koz) & AISC (US$/oz) 1,2 AISC Margin (US$/oz) 1,2,3 900 800 $1,252 $1,524 $1,600 $1,400 $1,848 $1,848/oz $1,204 $1,160 700 $1,135 $1,200 567 545 AISC margin; 64% increase YoY 600 529 $1,000 $1,
Slide 5: 2025 highlights – strong ongoing shareholder returns & value creation
2025 highlights – strong ongoing shareholder returns & value creation AGI - NYSE GDX GDXJ Gold (US$/oz) S&P 500 600% 550% ✓ Returned $81M to shareholders in 2025 via dividends 500% & share buybacks 450% ✓ $64M returned 2026 YTD1 400% 350% ✓ Eliminated further 50k oz legacy Argonaut gold 300% hedges
Slide 6: Long-term track record of creating value through exploration
Long-term track record of creating value through exploration Mineral Reserves growing in size & quality1 1.87 +64% +9M oz 21,000 2.00 1.80 1.63 1.65 1.58 1.51 1.49 1.50 1.60 increase in Mineral Reserves1, Mineral Resources1 delineated 1.45 16,000 over past seven years, net of over past seven years 1
Slide 7: Strong outlook
Strong outlook TSX:AGI | NYSE:AGI 7
Slide 8: Island Gold District Expansion Overview
Island Gold District Expansion Overview 534k oz $1,025/oz $821M $8.2B average annual production over average mine-site AISC over initial average annual mine-site free cash after tax NPV5% ($3,200/oz)1; $12.2B initial 10 years2; more than 10 years2,3,4; among Canada’s flow1 at $3,200/oz over initial
Slide 9: Island Gold District Expansions – on track to deliver high return growth
Island Gold District Expansions – on track to deliver high return growth Island Gold P3+ Shaft Expansion IGD Expansion 1,381 m Early 2027 De-risked Early 2028 expected completion of shaft & with earthworks completed, structural expected completion of mill expansion shaft sinking completed to paste p
Slide 10: Development projects – construction underway
Development projects – construction underway Puerto Del Aire (Mulatos District) Lynn Lake project PDA portals Lynn Lake starter pit - May 2026 - Q1 2026 127k oz Mid-2027 186k oz H1 2029 average annual production Initial production average annual production initial production over initial 4 years1; 1
Slide 11: Growing, long-life Canadian production; declining cost profile
Growing, long-life Canadian production; declining cost profile 1,100 $1,524 $1,550 $1,375 $1,600 ~1M oz 1,000 $1,400 $1,250 longer-term production rate including Lynn 900 Lake & larger expansion of Island Gold $1,200 District, ~83% growth from 2025 800 Production (000 oz Au)2 $1,000 700 600 $800 18%
Slide 12: Alamos Gold – value creation opportunities
Alamos Gold – value creation opportunities Growing, diversified, Expanding margins Conservative, Sustainable business intermediate gold & profitability low-risk strategy model supporting growing producer returns over the long-term 2026 catalysts Global exploration Island Gold District 32% increase i
Slide 13: Appendices
Appendices
Slide 14: Board of Directors, Executive and Management Team
Board of Directors, Executive and Management Team Board of Directors J. Robert S. John A. Alexander Elaine David Tony Claire M. C. Chana Monique Richard Shaun Prichard McCluskey Christopher Ellingham Fleck Giardini Kennedy Martineau Mercier McCreary Usmar Chairman Director Director Director Director
Slide 15: 2026 guidance
2026 guidance 2026 Guidance Island Young-Davidson Mulatos District Lynn Lake Total Gold District Gold production (000 oz) 290 - 330 155 - 175 125 - 145 570 - 650 Total cash costs1 ($/oz) $875 - 975 $1,350 - 1,450 $930 - 1,030 - $1,020 - 1,120 All-in sustaining costs1,2 ($/oz) $1,340 - 1,440 $1,730 -
Slide 16: 2026 - 2028 guidance
2026 - 2028 guidance 2026 2027 2028 Gold Production (000 oz) Island Gold District 290 - 330 380 – 420 470 – 510 Young-Davidson 155 - 175 155 – 175 155 – 175 Mulatos District 125 - 145 115 – 135 130 -150 Total Gold Production (000 oz) 570 - 650 650 - 730 755 - 835 Total Cash Costs1 ($/oz) $1,020 - 1,
Slide 17: Total Proven & Probable Mineral Reserves
Total Proven & Probable Mineral Reserves PROVEN AND PROBABLE GOLD RESERVES (as at December 31, 2025) 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
Slide 18: Total Measured & Indicated Mineral Resources
Total Measured & Indicated Mineral Resources MEASURED AND INDICATED GOLD MINERAL RESOURCES (as at December 31, 2025) 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'
Slide 19: Total Inferred Mineral Resources
Total Inferred Mineral Resources INFERRED GOLD MINERAL RESOURCES (as at December 31, 2025) Tonnes Grade Ounces (000's) (g/t Au) (000's) Island Gold 2,867 11.51 1,061 Magino 14,045 0.75 338 Total Island Gold District 16,912 2.57 1,398 Young-Davidson - Surface 31 0.99 1 Young-Davidson - Underground 1,
Slide 20: 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
Slide 21: Cautionary Note to U.S. Investors
Cautionary Note to U.S. Investors Unless otherwise indicated, all Mineral Resource and Mineral Reserve estimates included in this news release have been prepared in accordance with Canadian National Instrument 43-101 - Standards of Disclosure for Mineral Projects (“NI 43-101”) and the Canadian Insti
Slide 22: Investor Relations contacts
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