Slide 1: La Yaqui & Cerro Pelon Exploration Workshop
La Yaqui & Cerro Pelon Exploration Workshop September 12, 2016
Slide 2: Cautionary Notes
Cautionary Notes Cautionary Statements regarding Forward Looking Statements No stock exchange, securities commission or other regulatory authority has approved or disapproved the information contained herein. This presentation includes certain “forward-looking statements”. All statements other than
Slide 3: La Yaqui – Exploration Overview
La Yaqui – Exploration Overview Aoife McGrath – Vice President, Exploration
Slide 4: La Yaqui & Cerro Pelon – History
La Yaqui & Cerro Pelon – History June 2014: March 2015: September 2016: January 2008: Closed Closed Announced March 2009: acquisition of acquisition of 93% increase in New gold zone La Yaqui initial surface rights surface rights at combined resources delineated at resource at La Yaqui Cerro Pelon at
Slide 5: Reserve and Resource Growth
La Yaqui Reserve and Resource Growth 600 Proven & Probable Mineral Reserves Indicated Mineral Resources 500 Inferred Mineral Resources 400 298 Au oz (000) 300 200 232 149 100 80 89 89 0 2009 2015 August 2016 570% Increase in combined mineral reserves and resources since the end of 2014 See mineral r
Slide 6: La Yaqui – Animation
ALAMOS GOLD INC. TSX:AGI | NYSE:AGI c aS) ~~ © £ c <x I 3 o > © —_l
Slide 7: La Yaqui
La Yaqui Oblique view looking North-West Resource area Reserve pit See mineral reserve and resource estimates and associated footnotes in appendix. 7
Slide 8: La Yaqui – 2007/2008 Drill Campaign
La Yaqui – 2007/2008 Drill Campaign Oblique view looking West Altn Sil AA Arg Silica Massive Advanced Argillic Argillic 8
Slide 9: La Yaqui – 2007/2008 Drill Campaign with Au Interpolants
La Yaqui – 2007/2008 Drill Campaign with Au Interpolants Oblique view looking West Altn Sil AA Arg +1.0 g/t Au +0.3 g/t Au 9
Slide 10: La Yaqui – 2015 Drill Campaign
La Yaqui – 2015 Drill Campaign Oblique view looking West Altn Sil AA Arg 10
Slide 11: La Yaqui – 2015 Drill Campaign with Au Interpolants
La Yaqui – 2015 Drill Campaign with Au Interpolants Oblique view looking West Altn Sil AA Arg +0.3 g/t Au +1.0 g/t Au 11
Slide 12: La Yaqui – 2016 Drill Campaign as of August 2016
La Yaqui – 2016 Drill Campaign as of August 2016 Oblique view Looking West Altn Sil AA Arg 12
Slide 13: La Yaqui – 2016 Drill Campaign with Au Interpolants
La Yaqui – 2016 Drill Campaign with Au Interpolants Oblique view looking West Altn Sil AA Arg +0.3 g/t Au +1.0 g/t Au 13
Slide 14: La Yaqui Zones
La Yaqui Zones Plan view Altn Sil AA Arg Zone 3 - ? Zone 2 – 292,000 oz (inferred)3 Zone 1 – 149,000 oz (indicated)2 7,000 oz (inferred)3 Reserve – 89,000 oz1 1 La Yaqui Proven and Probable mineral reserve comprised of 1.9 million tonnes grading 1.45 g/t Au containing 89,000 oz. 2 La Yaqui Indicated
Slide 15: La Yaqui Zones & Intercepts
La Yaqui Zones & Intercepts Plan view ZONE 2 INTERCEPTS 16YAQ011: 20m @ 2.41g/t Au (39 - 59m) Altn Sil 35m @ 1.26g/t Au (86 - 121m) AA 16YAQ033: 43m @ 2.91g/t Au (114 - 157m) Arg 16YAQ051: 47m @ 3.79g/t Au (112 - 159m) 16YAQ065: 68m @ 2.83g/t Au (59 - 127m) 15YAQ064: 15m @ 5.68g/t Au (87 - 102m) 15Y
Slide 16: La Yaqui – Zone 1
La Yaqui – Zone 1 Plan view Altn Sil AA Arg A A1 16
Slide 17: La Yaqui – Zone 1
La Yaqui – Zone 1 Looking North Topography A A1 2016 pit shell +1.0 g/t Au +0.3 g/t Au 17
Slide 18: La Yaqui – Zone 2
La Yaqui – Zone 2 Plan view Altn Sil AA Arg A1 A 18
Slide 19: La Yaqui – Zone 2
La Yaqui – Zone 2 Looking North-West Topography A A1 2016 pit shell +1.0 g/t Au +0.3 g/t Au 19
Slide 20: La Yaqui – 2016 Geophysics Survey Data
La Yaqui – 2016 Geophysics Survey Data Oblique view looking North-West 20
Slide 21: La Yaqui – Geophysics Data Zone 2
La Yaqui – Geophysics Data Zone 2 Plan view A1 A 21
Slide 22: La Yaqui – Geophysics Data Zone 2
La Yaqui – Geophysics Data Zone 2 Looking North-West A A1 Approximately 400 metres of untested alteration 22
Slide 23: La Yaqui – Geophysics Data Zone 3
La Yaqui – Geophysics Data Zone 3 Plan view A1 A 23
Slide 24: La Yaqui – Geophysics Data Zone 3
La Yaqui – Geophysics Data Zone 3 Looking North-West 24
Slide 25: La Yaqui – Exploration Potential
La Yaqui – Exploration Potential Plan view Altn Sil AA Arg 25
Slide 26: La Yaqui – Exploration Potential
La Yaqui – Exploration Potential Plan view Altn Sil AA Arg Over 2,000 metres of mapped silica alteration 26
Slide 27: La Yaqui – Exploration Potential
La Yaqui – Exploration Potential Plan view Altn Sil AA Arg Approximately 1/4 of the total area has been explored 27
Slide 28: La Yaqui – Exploration Potential
La Yaqui – Exploration Potential Plan view Altn Sil AA Arg Steeply dipping zone 900m x 100m of untested favorable silica alteration 28
Slide 29: La Yaqui – Exploration Potential
La Yaqui – Exploration Potential Plan view Altn Sil AA Arg 400m x 200m untested area with favourable alteration 29
Slide 30: La Yaqui – Exploration Potential
La Yaqui – Exploration Potential Plan view Altn Sil AA Arg 400m x 400m of untested area down-dip of Zone 2 30
Slide 31: La Yaqui – Exploration Potential
La Yaqui – Exploration Potential Plan view Altn Sil AA Arg Zone 3 (800m x 400m) is currently the focus for exploration step-out drilling 31
Slide 32: La Yaqui – Exploration Potential
La Yaqui – Exploration Potential Plan view The La Yaqui - El Halcon corridor has more than 1,500 metres of untested silica Altn Sil alteration AA Arg 32
Slide 33: Questions?
Questions? Typical vuggy silica alteration found in La Yaqui 16YAQ081 16YAQ033: 129m depth, 16YAQ033: 142m depth, 16YAQ088 8.80g/t 12.10g/t 33 See press release dated August 10, 2016 “Alamos Reports Second Quarter 2016 Results and Provides Exploration Update at Mulatos”.
Slide 34: Cerro Pelon – Exploration Overview
Cerro Pelon – Exploration Overview Aoife McGrath – Vice President, Exploration 34
Slide 35: Cerro Pelon – Animation
WwW, Cerro Pelon — Animation 4 ALAMOS GOLD INC. TSX:AGI | NYSE:AGI 35
Slide 36: Cerro Pelon Schematic Map
CERRO PELON SCHEMATIC MAP Legend Silica Massive Silica Massive Vuggy Silica-Alunite Bx Rhyolite RESULTS IN RESERVE CONES Upper Dacite Lower Andesite 15PEL056: 46m @ 1.13g/t Au (2 – 48m) 15PEL066: 27m @ 2.74g/t Au (34– 61m) 2015 Drilling 15PEL069: 20m @ 2.54g/t Au (52 - 72m) & 2008 - 2009 Drilling 34
Slide 37: Cerro Pelon – Exploration Potential
Cerro Pelon – Exploration Potential Oblique view looking North East Reserve area Exploration potential 37
Slide 38: Cerro Pelon – Exploration Potential
Cerro Pelon – Exploration Potential Plan View Altn Sil AA Arg V.Sil West Zone 1 UA Silica Cap West Zone 2 Zone of resource extension drilling Reserve 38
Slide 39: Cerro Pelon – Exploration Potential
Cerro Pelon – Exploration Potential Plan View Altn Sil AA Arg V.Sil UA Potential for continuation of resource mineralization to north - currently being tested Reserve 39
Slide 40: Cerro Pelon – Exploration Potential
Cerro Pelon – Exploration Potential Plan View Altn Sil AA Arg V.Sil UA Silica cap extends for 900m with exploration potential beneath Reserve 40
Slide 41: Cerro Pelon – Exploration Potential
Cerro Pelon – Exploration Potential Plan View Altn Sil AA Arg V.Sil UA 250 * 100 metres of favorable alteration Reserve 41
Slide 42: Cerro Pelon – Exploration Potential
Cerro Pelon – Exploration Potential Plan View Altn Sil AA Arg V.Sil UA 350 * 200 metres of favorable alteration Reserve 42
Slide 43: Cerro Pelon – Potential Structural Influence
Cerro Pelon – Potential Structural Influence Plan View Altn Sil AA Arg V.Sil UA Key structural orientations identified that influence mineralization 43
Slide 44: Cerro Pelon – Exploration Potential
Cerro Pelon – Exploration Potential Plan View Altn Sil AA Arg V.Sil UA Mineralization trend in reserve area 44
Slide 45: Cerro Pelon – Exploration Potential
Cerro Pelon – Exploration Potential Plan View Altn Sil AA Arg V.Sil Mineralization under silica cap may UA also trend in a similar orientation. Potentially strong structural control - currently being tested 45
Slide 46: Cerro Pelon – Exploration Potential
Cerro Pelon – Exploration Potential Plan View Altn Sil AA Arg V.Sil UA Trend of structures mapped in the field Likely related to mineralization - currently being tested 46
Slide 47: Cerro Pelon Questions?
™ Cerro Pelon ALAMOS GOLD INC. TSX:AGI | NYSE:AGI Questions? 47
Slide 48: Mulatos – District Exploration Overview
Mulatos – District Exploration Overview Aoife McGrath – Vice President, Exploration 48
Slide 49: Mulatos District
Mulatos District World class high- sulphidation epithermal district Historical focus on Mulatos mine main Mulatos pit area mineral corridor Significant district- wide exploration potential New systematic exploration strategy Current focus on La Yaqui & Cerro Pelon Objective to create a pipeline of p
Slide 50: The Exploration Team
The Exploration Team Valuable skills, experience and knowledge of the District’s mineralization gained by the La Yaqui – Cerro Pelon exploration success Continued training and development of the local team is fundamental New purpose-built & well-equipped Exploration facilities (ongoing expansion) Sp
Slide 51: District-Scale Investigations
District-Scale Investigations Taking a District-wide perspective is essential Specialist studies being implemented: • Geological mapping – prospect and district scale • Radiometric dating • Structural investigations • Satellite image analysis • Mineralogical studies • Geochemical modelling • Geophys
Slide 52: Age of Mineralization
Age of Mineralization Mineralization East Mineralization in the Mulatos District was of San Carlos previously thought to have been restricted in time Victor - San Carlos On-going radiometric dating studies are helping to provide a better understanding Mulatos deposit La Yaqui – C. Pelon Mineralizati
Slide 53: District-wide Prospects – Los Bajios
District-wide Prospects – Los Bajios Mulatos mine mineral corridor Los Bajios Located 5km SW of Mulatos mine and 3km N of La Yaqui Excellent access 53
Slide 54: Los Bajios – Geology & Geochemistry
Los Bajios – Geology & Geochemistry Mulatos mine Similar stratigraphical position to Los Bajios mineralization at the Mulatos mine Abandoned artisanal workings High gold assays in surface samples (up to 27.8 g/t) Prospective geochemical signature in surface samples Good correlations in Au-Ag-Cu-Te-A
Slide 55: Los Bajios – Historical Drilling & Future Plans
Los Bajios – Historical Drilling & Future Plans From To Interval Au Hole GXM (m) (m) (m) g/t 06WB057 122.6 216.5 93.8 1.2 112.5 05WB036 151.6 182.9 31.3 2.8 89.1 05WB037 173.8 261.5 87.8 0.8 74.0 Drilled from 2004 – 07, with some good 05WB017 154.6 214.9 60.3 0.9 54.1 intersections 05WB017 259.2 365
Slide 56: El Halcon – Location
El Halcon – Location Immediately North Mulatos Mine and along strike from La Yaqui El Halcon Approximately 8km SW of the Mulatos mine 56
Slide 57: El Halcon – Google Earth Image Looking NE
El Halcon – Google Earth Image Looking NE Mulatos Mine El Halcon La Yaqui Resource La Yaqui Reserve 57
Slide 58: El Halcon – Historical Drilling
El Halcon – Historical Drilling HOLE_ID From (m) TO (m) Interval (m) Au g/t GXM 08HY061 117.4 122.0 4.6 3.2 14.5 10HY070 61.6 67.7 6.1 3.7 22.7 Originally drilled by Placer Dome in 1995 61.6 62.6 1.0 5.9 5.9 43.5 46.5 3.0 5.0 14.9 10HY072 43.5 44.5 1.0 5.6 5.6 Alamos drilled 15 holes (2,400m) in 77.
Slide 59: El Halcon – Historical Drilling
El Halcon – Historical Drilling Using a 2.5g/t Au cut-off 59
Slide 60: El Halcon – Cross Section
El Halcon – Cross Section 97HY024DDH 3.0m@3.925 g/t 97HY047DDH 4.0m@5.131g/t 97HY040DDH 2.0m@7.105g/t 8.0m@8.640 g/t 6.7m@10.226 g/t 97HY073RC 3.1m@5.277 g/t 1.5m@7.021 g/t 7.6m@12.133 g/t 4.6m@17.928g/t 97HY043DDH 1.0m@8.288 g/t 97HY072DDH 97HY046DDH 3.0m@4.977g/t 1.0m@5.853 g/t 1.0m@5.630g/t Cut-o
Slide 61: El Jaspe – Location
El Jaspe – Location El Jaspe Approximately Mulatos Mine 8km NW of the Mulatos mine Easily accessible from main road to the mine Cerro Pelon 61
Slide 62: El Jaspe – Google Earth Image Looking NNE
El Jaspe – Google Earth Image Looking NNE Massive silica cap similar to La Yaqui – masks geochemical response Silica Cap – similar to Yaqui? Limited preliminary drilling campaign in 2005 Mineralized intercepts over 1,200m of strike Requires detailed mapping and sampling followed by geophysics to ‘se
Slide 63: El Jaspe – Historical Drilling & Plan
El Jaspe – Historical Drilling & Plan Hole From (m) To (m) Interval (m) Au g/t GXM 05JP032 170.73 214.94 44.2 0.9 39.78 05JP021 25.91 83.17 57.3 0.6 34.38 Q4 2016 – Q1 2017: Surface mapping 05JP004 9.15 55.72 46.6 0.6 27.96 and sampling 05JP006 22.87 87.73 64.9 0.4 25.96 05JP030 73.17 128.91 55.7 0.
Slide 64: Las Carboneras – Location
Las Carboneras – Location Mulatos Mine Approximately 3 km South of Mulatos mine Las Adjacent to Cerro Carboneras Pelon Land parcel Cerro Pelon owned by Alamos 64
Slide 65: Las Carboneras – Google Earth Image Looking N
Las Carboneras – Google Earth Image Looking N Mulatos Mine Cerro Pelon Las Carboneras Artisanal mining on the property historically Massive silica cap – similar to La Yaqui 65
Slide 66: Las Carboneras – Soil Geochemistry
Las Carboneras – Soil Geochemistry Oblique view looking North Soil geochemical survey completed in 2010 - Au anomalies yet to be followed up 66
Slide 67: El Refugio – Location
El Refugio – Location El Refugio Mulatos Mine Immediately NE of Puerto del Aire deposits Within 3-4 km of mine plant 67
Slide 68: El Refugio – Geological Setting
El Refugio – Geological Setting In similar stratigraphical position to San Carlos High-grade Au in quartz- barite veins Surface samples taken in 2014 returned up to 11.8 g/t Au Bladed-silica pseudomorphs after barite Likely structural control on barite veins (similar to high-grade veins at San Carlo
Slide 69: El Refugio – Geochemistry
El Refugio – Geochemistry 400m Oblique view looking East Puerto del Aire • Two 400m-long gold-in-soil geochemical anomalies outlined by (limited) sampling to date • Very strong soil geochemical response with up to 11.8 ppm Au in surface samples • Indicates structural control at this Upper Rhyolite L
Slide 70: El Carricito – Location
El Carricito – Location Approximately 19km Mulatos mine SW of the Mulatos mine Large area – 2176 Ha Standalone project El Carricito Good road access 70
Slide 71: El Carricito – Google Earth Image Looking NE
El Carricito – Google Earth Image Looking NE 71
Slide 72: El Carricito – Summary
El Carricito – Summary Several lava dome complexes Extensive silica cap, similar to La Yaqui and Cerro Pelon Widespread Au geochemical anomalies in soil Drilled in 2009-12: Interesting intercepts but very poorly understood geologically High-grade intercepts in a large lower-grade halo Majority of dr
Slide 73: El Carricito – Soil Geochemistry
El Carricito – Soil Geochemistry Soil Geochemistry - Oblique view looking North East Strong soil geochemistry response on downslope zone, likely transported anomalies As at La Yaqui, massive silica cap masks geochemical response from below 73
Slide 74: El Carricito – Alteration
El Carricito – Alteration Alteration - Oblique view looking North East Features that are typical of high-sulphidation deposits Large epithermal system shown by the presence of extensive advanced argillic alteration with massive and vuggy silica Requires significantly more work for full assessment 74
Slide 75: El Carricito – Plan Future exploration
El Carricito – Plan Future exploration Previous drilling was based on poor geological understanding A systematic and more focused approach is required in the light of new understanding gained at La Yaqui and Cerro Pelon • Systematic mapping and sampling • Elucidation of the volcanic and structural a
Slide 76: Summary of District Prospects
Summary of District Prospects Los Bajios – very close to mine, good access, interesting historical drilling results – mapping is advanced, geophysics scheduled for October, drilling H1 2017 El Halcon – contiguous with La Yaqui, interesting historical drilling results with high grade intersections -
Slide 77: Questions?
% i ? Questions 8 ALAMOS GOLD INc. TSX:AGI | NYSE:AGI “The action is so sustained, the setting s: vivid, that it remains a thrilling sto: 7
Slide 78: La Yaqui – Phase I Project Overview
La Yaqui – Phase I Project Overview Andrew Cormier – Vice President, Construction & Development 78
Slide 79: 2015 Proven & Probable Mineral Reserves – Mulatos
2015 Proven & Probable Mineral Reserves – Mulatos Gold Reserves & Resources1 Tonnes (000) Grade (g/t) oz Au (000) P&P Reserves Mulatos Mine 32,902 0.87 921 UG Reserve 161 11.73 61 Existing Stockpiles 6,458 1.45 302 La Yaqui 1,912 1.45 89 Cerro Pelon 3,253 1.63 170 Total P&P Reserves 44,713 1.07 1,54
Slide 80: La Yaqui Phase I – Overview
La Yaqui Phase I – Overview • The La Yaqui mineralization is near surface, highly oxidized and amenable to open pit, heap leaching • Will be mined via conventional open pit methods employing contract mining and crushing • Will be developed with an independent: • Heap leach pad • Portable crushing ci
Slide 81: La Yaqui Phase I – Historical Project Parameters
La Yaqui Phase I – Historical Project Parameters • La Yaqui Phase I Development • Based on 2014 mineral reserve: 1.6mt grading 1.56 g/t, containing 80k oz • Significant upside reflecting reserve and resource growth since 2014 • Conservative recovery assumptions – vuggy silica mineralization 2014 Pro
Slide 82: La Yaqui – Phase I Development Plans
La Yaqui – Phase I Development Plans MIA/EIA: • MIA/EIA submitted April 2016 • Anticipating approval October 2016 Engineering: • Complete Access Road: • MIA/EIA received, construction started in July Contracts/Procurement: • September - Issuing tender for civil and mine works • September/October pla
Slide 83: La Yaqui – Project Location
La Yaqui – Project Location ALAMOS GOLD INC. TSX.AGI 83
Slide 84: La Yaqui – Phase I Site Layout
La Yaqui – Phase I Site Layout MIA Limit Leach Pad Pit Crusher Ponds ALAMOS GOLD INC. TSX.AGI 84
Slide 85: Phase I Development Schedule
La Yaqui Phase I Development Schedule 2016 2017 2018+ LA YAQUI Design & Engineering Permitting Construction Production 85
Slide 86: Thank You
™ Thank You ALAMOS GOLD INC. TSX:AGI | NYSE:AGI 86
Slide 87: Appendices
~ Os GOLD INc. TSX:AGI | NYSE:AGI de ae Ca en a yreas! We
Slide 88: 2015 Proven and Probable Mineral Reserves
2015 Proven and Probable Mineral Reserves PROVEN AND PROBABLE MINERAL RESERVES AS AT DECEMBER 31, 2015 PROVEN PROBABLE PROVEN + PROBABLE TONNES GRADE CONTAINED TONNES GRADE CONTAINED TONNES GRADE CONTAINED OUNCES OUNCES OUNCES (000) (G/T AU) (000) (G/T AU) (000) (G/T AU) (000) (000) (000) Young-Davi
Slide 89: 2015 Total Measured and Indicated Mineral Resources
2015 Total Measured and Indicated Mineral Resources MEASURED AND INDICATED GOLD MINERAL RESOURCES (AS AT DECEMBER 31, 2015) 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
Slide 90: 2015 Total Inferred Mineral Resources
2015 Total Inferred Mineral Resources INFERRED GOLD MINERAL RESOURCES (AS AT DECEMBER 31, 2015) TONNES GRADE OUNCES (000'S) (G/T AU) (000'S) Young-Davidson - Surface 31 0.99 1 Young-Davidson - Underground 3,523 2.76 312 Total Young-Davidson 3,554 2.74 313 Mulatos 7,078 0.90 205 San Carlos UG 162 4.9
Slide 91: Notes to Mineral Reserve and Resource Estimates
Notes to Mineral Reserve and Resource Estimates Qualified Persons: Chris Bostwick, FAusIMM, Alamos Gold’s Vice President, Technical Services, has reviewed and approved the scientific and technical information contained in this presentation. Chris Bostwick is a Qualified Person within the meaning of
Slide 92: Scott K. Parsons, CFA
Scott K. Parsons, CFA VP, Investor Relations 416.368.9932 x 5439 sparsons@alamosgold.com 92