I-80 Gold Corp · TSX:IAU
I-80 Gold — Investor Day (March 2025)
68 slides from I-80 Gold's investor day presentation, Mar 6, 2025
Slide 1: Creating a Nevada-Based, Mid-Tier Gold Producer – Investor Day
MADE IN THE U.S.A. NYSE:IAUX | TSX:IAU C R E AT I N G A N E V A D A - B A S E D , M I D -T I E R G O L D P RO D U C E R INVESTOR DAY March 6, 2025
Slide 2: Cautionary Statement Regarding Forward-Looking Information
CautionaryStatementRegarding Forward-LookingInformation DISCLAIMER Certain statements in this presentation constitute “forward-looking statements” or “forward-looking information” within the meaning of applicable securities laws, including but not limited to statements or information regarding: low
Slide 3: Today's Presenters
TODAY’S PRESENTERS A TEAM WITH DEEP NEVADA MINING EXPERIENCE RICHARD YOUNG MATT GILI RYAN SNOW TIM GEORGE Chief Executive Officer & Director President & Chief Operating Officer Chief Financial Officer VP Operations Former President & CEO of Previously held senior Former VP of Finance at Nevada Advan
Slide 4: Today's Presenters
TODAY’S PRESENTERS A TEAM WITH DEEP NEVADA MINING EXPERIENCE TODD ESPLIN TYLER HILL MARK MILLER VP Technical Services VP Geology VP Environmental & Permitting Former senior operations and Professional Geologist with over 10 Over three decades of experience, technical leader at Barrick Gold, years of
Slide 5: Today's Agenda
TODAY’S AGENDA OPENING REMARKS GRANITE CREEK UNDERGROUND GRANITE CREEK OPEN PIT ARCHIMEDES UNDERGROUND (RUBY HILL COMPLEX) MINERAL POINT OPEN PIT (RUBY HILL COMPLEX) LUNCH BREAK (15 MINUTES) COVE UNDERGROUND LONE TREE AUTOCLAVE RECAPITALIZATION UPDATE CLOSING REMARKS Question-and-answer periods thro
Slide 6: Key Value Drivers for i-80 Gold
KEY VALUE DRIVERS FOR i-80 GOLD Proven Nevada High-Grade Organic Strategic Strategic Recapitalization Mining Expertise Growth Pipeline Hub-and-Spoke & Financial Minimizes Operating and & Resource Expansion Mining and Restructuring Plan Execution Risk Potential on Brownfield Sites Processing Model fo
Slide 7: Opportunity in a Tier 1 Mining Jurisdiction
OPPORTUNITY IN A TIER 1 JERRIT CANYON** TWIN CREEKS** MINING JURISDICTION TURQUOISE RIDGE MIDAS GRANITE CREEK (Underground + Open Pit) SOUTH ARTURO GOLDSTRIKE** 100% NEVADA-BASED ASSET PORTFOLIO WINNEMUCCA LEEVILLE CARLIN** Strategic hub-and-spoke mining and processing GOLD QUARRY* LONE TREE COMPLEX
Slide 8: High-Grade, Multi-Deposit Portfolio with Near-Term Production Growth
HIGH-GRADE, MULTI-DEPOSIT PORTFOLIO WITH NEAR-TERM PRODUCTION GROWTH Anticipated Annual Gold Equivalent Production*(1) Granite Creek Underground • High-grade resources Archimedes Underground 900 with short development Cove Underground timelines 800 Granite Creek Open Pit 700 Projected to achieve • L
Slide 9: New Development Plan: Roadmap to 500 Koz
NEW DEVELOPMENT PLAN: ROADMAP TO 500 Koz STAGES OF DEVELOPMENT Latest & Upcoming 2025 2026 2027 2028 2029 2030 2031 2032 Economic Studies Granite Creek Mar. 2025 – PEA (update from 2021) PRODUCTION Underground Q4 2025 – Feasibility Study Archimedes CONSTRUCTION PRODUCTION Feb. 2025 – PEA Under
Slide 10: Granite Creek Underground
GRANITE CREEK UNDERGROUND Tim George, VP Operations Measured & Indicated Resource(8) 261Koz @ 10.9 g/t Au Inferred Resource(8) 326Koz @ 13.0 g/t Au Mine Life ~8 years Average Annual Gold Production (following production ramp up) ~60Koz $2,175/oz Gold Price Assumption After-Tax NPV(5%)(2) After-Tax I
Slide 11: Granite Creek Underground Overview
GRANITE CREEK UNDERGROUND OVERVIEW Producing high-grade underground gold mine currently ramping up to full production Summer Camp First i-80 Gold property to be redeveloped and producing (NGM) 10 km Located only 10 km from Nevada Gold Mines’ prolific Turquoise Ridge Complex which currently hosts ~20
Slide 12: Granite Creek Underground
Production Profile GRANITE CREEK UNDERGROUND Mine Life ~8 years Mineralized Material Mined 1,441.8 kt SHORT-HAUL HIGH-GRADE MINING Gold Grade of Mineralized Material Mined 11.6 g/t Au • Primary mining method underhand drift and fill Waste Tonnes Mined 684.4 kt Capitalized Tonnes Mined 488.8 kt • Dec
Slide 13: Granite Creek Underground
GRANITE CREEK UNDERGROUND Anticipated Change in Average Gold Recovery Rates Upon Autoclave Planned Commissioning PRODUCTION AND CASH FLOW ARE 92% EXPECTED TO INCREASE MATERIALLY Avg. Recovery ONCE LONE TREE AUTOCLAVE IS REFURBISHED & COMMISSIONED(13) 58% - 62% • Excellent resource reconciliation sin
Slide 14: Granite Creek Underground Capital Costs
GRANITE CREEK UNDERGROUND FORMER PRODUCING MINE WITH LARGE PORTION LOM Capital Cost Estimates Sustaining OF THE NECESSARY INFRASTRUCTURE IN PLACE ($M) Capital Dewatering $9.4 Mine Development $58.9 Mine Facilities & Overhead $5.5 ~65% of sustaining capital allocated to ongoing Definition & Conversio
Slide 15: Granite Creek Underground Operating Costs
GRANITE CREEK UNDERGROUND Unit Cost Cost per Ounce OPERATING COSTS LOM Unit Operating Costs ($/t milled) ($/oz Au) Mining $230.1 $794 Transportation & Processing $68.5 $237 G&A, Royalties & Net Proceeds Tax $97.1 $335 Experienced third-party underground Total Operating Cost/Cash Costs(7) $395.6 $1,3
Slide 16: Granite Creek Underground Resource Expansion Potential
GRANITE CREEK UNDERGROUND SIGNIFICANT RESOURCE EXPANSION POTENTIAL • Updated mineral resource estimate excludes drilling since 2022 (21,000 meters) • New drilling (since 2023) and planned South Pacific zone infill drilling will be included in a feasibility study anticipated Q4 2025 • South Pacific Z
Slide 17: Granite Creek Underground Q&A
GRANITE CREEK UNDERGOUND Q&A Producing mine with positive reconciliation Significant resource expansion potential along strike and at depth Greater understanding of groundwater challenges and a clear path forward 1. ADD A FOOTER i-80 GOLD CORP | 17
Slide 18: Granite Creek Open Pit Project
GRANITE CREEK OPEN PIT PROJECT Todd Esplin, VP Technical Services Measured & Indicated Resource(9) 1.4Moz @ 1.18 g/t Au Inferred Resource(9) 75Koz @ 1.09 g/t Au Mine Life ~10 years Average Annual Gold Equivalent Production (following production ramp up) 127koz $2,175/oz Gold Price Assumption After-T
Slide 19: Granite Creek Open Pit Overview
GRANITE CREEK OPEN PIT OVERVIEW Open pit gold development project Steady gold price has provided the opportunity to reassess the optimal processing stream 2025 focus is on permitting and technical studies 1 km Proposed Development Timeline 2025 2026 2027 2028 2029 2030 2031 PERMITTING & TECHNICAL CO
Slide 20: Granite Creek Open Pit Mining & Processing
Production Profile GRANITE CREEK OPEN PIT Mine Life Mineralized Material Mined ~10 years 34,854.5 kt MINING & PROCESSING Gold Grade of Mineralized Material Mined 1.25 g/t Au Waste Tonnes Mined (excluding Capitalized Stripping) 287,352.9 kt Capitalized Stripping Tonnes Mined 21,969.9 kt Conventional
Slide 21: Granite Creek Open Pit Capital Costs
GRANITE CREEK OPEN PIT LOM Capital Cost Estimates Mine CAPITAL COSTS Sustaining ($M) Construction Capitalized Waste $30.1 Construction Capital $160.8 Sustaining Capital $24.2 Former producing mine with a large portion of Contingency $43.1 $6.1 the necessary infrastructure in place (25% on capital an
Slide 22: Granite Creek Open Pit Operating Costs
Cost per GRANITE CREEK OPEN PIT Unit Cost Ounce LOM Unit Operating Costs ($/t) ($/oz Au) OPERATING COSTS Mining $21.93 $632 Processing $11.83 $341 G&A $1.83 $53 Refining, Royalties & Net Proceeds $5.55 $160 Tax Total Operating Cost/Cash Costs(7) $40.8 $1,185 Closure & Reclamation $0.5 $15 Sustaining
Slide 23: Granite Creek Open Pit Exploration
GRANITE CREEK OPEN PIT EXPLORATION • CX and Mag Pit are composed of 85% of material in mine plan • Potential to expand pits at depth and along strike with additional drilling • Very limited drilling in and adjacent to pits since 1980s • Structural and stratigraphic controls well understood Mineral R
Slide 24: Granite Creek Open Pit Permitting
GRANITE CREEK OPEN PIT PERMITTING • Necessary permits in place for ongoing small-scale underground mining operations • Open pit expansion permitting will include: • Federal National Environmental Policy Act ("NEPA") actions are expected to result in preparation of an Environmental Impact Statement (
Slide 25: Archimedes Underground
RUBY HILL COMPLEX ARCHIMEDES UNDERGROUND Tim George, VP Operations Indicated Mineral Resource(6) 436Koz @ 7.6 g/t Au Inferred Resource(6) 988Koz @ 7.3 g/t Au Mine Life 10 years Average Annual Gold Production (following production ramp up) 102Koz $2,175/oz Gold Price Assumption After-Tax NPV(5%)(2) A
Slide 26: Archimedes Underground Overview
ARCHIMEDES UNDERGROUND OVERVIEW High-grade underground gold project 2025 focus: Advancing infrastructure to access underground zones while continuing exploration and technical program Dominant land position in the Eureka Mining District; ~250 km to Lone Tree processing facility Proposed Development
Slide 27: Archimedes Underground Mining & Processing
ARCHIMEDES UNDERGROUND POTENTIAL TO ACHIEVE THE HIGHEST MINING RATE Production Profile AMONG i-80 GOLD’S UNDERGROUND OPERATIONS Mine Life 10 years • Long hole open stoping with delayed backfill Mineralized Material Mined 4,566.9 kt • Sequential permitting approach expedites mining activities Gold Gr
Slide 28: Archimedes Underground Capital Costs
ARCHIMEDES UNDERGROUND Capital Costs Mine Construction Sustaining $M EXISTING INFRASTRUCTURE SUPPORTS LOWER CAPEX Environmental, Permitting and Technical $2.5 $3.5 Dewatering $0 $4.0 Mine Development $28.8 $71.2 Mine Facilities & Overhead $8.6 $4.1 Extensive infrastructure already in place from Reso
Slide 29: Archimedes Underground Operating Costs
ARCHIMEDES UNDERGROUND LOM Unit Operating Costs Unit Cost Cost per Ounce ($/t milled) ($/oz Au) OPERATING COSTS Mining $164.2 $808 Transportation & Processing $149.4 $735 G&A, Royalties & Net Proceeds Tax $46.1 $227 Mining geometry supports bulk methods, By-Product Credits ($0.1) ($1) driving lower
Slide 30: Archimedes Underground Permitting Process Well Underway
ARCHIMEDES UNDERGROUND OP EN PERMITTING PROCESS WELL UNDERWAY PHASE 1 PERMITTING (CURRENT): • Currently permitted for surface • Covers mining activities above the infrastructure 5100-foot elevation • Phased permitting process allows for • Nearing completion and once simultaneous mining while permitt
Slide 31: Archimedes Underground Exploration
ARCHIMEDES UNDERGROUND EXPLORATION • Updated resource estimate includes all drilling since 2021 and is comprised of Ruby Deeps and 426 zone • Several exploration targets to be followed up in the coming years to potentially extend the mine life • 50,000-meter drill program scheduled for 2027 to be in
Slide 32: Archimedes Underground Q&A
ARCHIMEDES UNDERGROUND Q&A Currently under construction Finalizing permitting for phase 1; launching permitting for phase 2 Low capital intensity High-tonne Low-cost operation i-80 GOLD CORP | 32
Slide 33: Mineral Point Open Pit
RUBY HILL COMPLEX MINERAL POINT OPEN PIT Todd Esplin, VP Technical Services Indicated Mineral Resource(5) 3.4 Moz @ 0.48 g/t Au 104.3 Moz @ 15.0 g/t Ag Inferred Resource(5) 2.1 Moz @ 0.34 g/t Au 91.5 Moz @ 14.6 g/t Ag Mine Life 16.5 years Average Annual Gold Equivalent Production(3) (following produ
Slide 34: Mineral Point Open Pit Overview
MINERAL POINT OPEN PIT OVERVIEW Large open pit heap leach operation – largest of two oxide projects in i-80 Gold’s portfolio Potential to become i-80 Gold’s largest gold producing asset – key driver of future growth • Project execution risk typically associated with projects of this scale substantia
Slide 35: Mineral Point Open Pit Mining
MINERAL POINT OPEN PIT Production Profile Mine Life 16.5 years MINING Mineralized Material Mined 358,741 kt Gold Grade of Mineralized Material Mined 0.39 g/t Au • Potential to become one of Nevada’s largest open-pit truck- Silver Grade of Mineralized Material Mined 15.37 g/t Ag and-shovel mining ope
Slide 36: Mineral Point Open Pit Processing
MINERAL POINT OPEN PIT PROCESSING • On-site heap leach • Existing processing infrastructure includes a primary and secondary crushing plant, grinding mill, leach pad, and carbon- in-column circuit, which are designed to process oxide material • Composed of primarily oxide material, which is amenable
Slide 37: Gold and Silver Recovery Examples
MINERAL POINT OPEN PIT GOLD AND SILVER RECOVERY EXAMPLES Core Sample (100% passing 19.0 mm) Core Sample (100% passing 19.0 mm) Column Leach Test Work Column Leach Test Work GOLD Recovery Based on Solution Assays as a Function of Solution Applied SILVER Recovery Based on Solution Assays as a Function
Slide 38: Mineral Point Capital Costs
MINERAL POINT OPEN PIT PROJECT LOM Capital Cost Estimates Mine EXISTING INFRASTRUCTURE REDUCES MINE Construction Sustaining DEVELOPMENT COSTS $M Capitalized Waste $287.3 • ~104 million tonnes of stripping is required in the first year of production Construction Capital $290.9 to gain access to the b
Slide 39: Mineral Point Operating Costs
MINERAL POINT OPEN PIT PROJECT OPERATING COSTS Unit Cost Cost per Ounce LOM Unit Operating Costs ($/t ) ($/oz Au) Mining $10.80 $1,097.8 Processing $4.30 $437 G&A $0.83 $84 Refining, Royalties & Net Proceeds Tax $2.01 $205 Conventional truck and shovel open pit By-Product Credits ($5.40) ($553) Tota
Slide 40: Mineral Point Permitting Expected to Commence H2 27
MINERAL POINT OPEN PIT PERMITTING EXPECTED TO COMMENCE H2 2027 • Baseline studies continue in Q1 2025 to facilitate permit application • Based on the anticipated disturbance footprint and associated dewatering, it is expected that National Environmental Policy Act (“NEPA”) related permitting activit
Slide 41: Mineral Point Open Pit Exploration
MINERAL POINT OPEN PIT PROJECT EXPLORATION • Southern half of Mineral Point mostly drilled to indicated • North half of deposit mostly drilled to inferred • Common to see holes that ended in mineralization and mineralized holes on margin of optimized pit shell • Good potential to add ounces with add
Slide 42: Mineral Point Open Pit Q&A
MINERAL POINT OPEN PIT Q&A Large mine high production Extensive permitting timeline over the next 5 years Significant potential to grow resource with additional drilling Highly leveraged to gold price; opportunity comes from increasing silver recovery 1. ADD A FOOTER i-80 GOLD CORP | 42
Slide 43: Cove Project
COVE PROJECT Matthew Gili, President & COO Indicated Gold Resource(4) 311Koz @ 8.2 g/t Au Inferred Resource(4) 1.16 Moz @ 8.9 g/t Au Mine Life 8 years Average Annual Gold Production (following production ramp up) 100Koz $2,175/oz Gold Price Assumption After-Tax NPV(5%(2) After-Tax IRR(5%)(2) $271M 3
Slide 44: Cove Project Overview
COVE PROJECT OVERVIEW High-grade, brownfield development stage, gold deposits open for expansion down-plunge Immediately South of NGM’s Phoenix Cu-Au Mine; ~ 85 km to Lone Tree autoclave Advanced exploration and permitting Underground definition drilling program intended to convert inferred resource
Slide 45: Cove Project Mining
Production Profile COVE PROJECT Mine Life 8 years Mineralized Material Mined 2,675.6 kt MINING Gold Grade of Mineralized Material Mined 10.4 g/t Au • Current mine plane includes Helen and Gap underground deposits Silver Grade of Mineralized Material Mined 6.2 g/t Ag (CSD and 2021 could be included i
Slide 46: Cove Project Capital Costs
COVE PROJECT Capital Costs Pre- Mine $M Development Construction Sustaining MODEST CAPITAL COSTS Environmental, Permitting & Feasibility $7.0 - - Dewatering - Helen - $39.5 - Dewatering - Gap - $48.4 - Electrical Service and Powerline - $10.5 - Dewatering accounts for ~60% Mine Development - Helen -
Slide 47: Cove Project Operating Costs
Unit Cost Cost per Ounce LOM Unit Operating Costs COVE PROJECT Mining ($/t milled) $152 ($/oz Au) $552 OPERATING COSTS Processing & Transportation $101 $365 Electrical Power $26 $96 G&A, Royalties & Net Proceeds Tax $51 $186 Relatively low mining unit costs driven by good By-Product Credits ($1) ($4
Slide 48: Cove Permitting Activities Are Well Underway
COVE PERMITTING ACTIVITIES ARE WELL UNDERWAY PERMITS ANTICIPATED BY END OF 2027 Planned Model of Groundwater Dewatering • Management of mine and pit lake dewatering is a key permitting consideration • Extensive hydrology work completed in the last five years (FS level) – increased understanding of d
Slide 49: Cove Project Exploration
COVE PROJECT EXPLORATION Two-year infill drill program not included in the 2025 PEA: • Now completed infill drill program in Helen and Gap zones to be included updated mineral resource estimate for the feasibility study planned for Q4 2025 • ~45,000 meters of drilling conducted since 2023 • Further
Slide 50: Cove Project Q&A
• Q&A COVE PROJECT Q&A Property with longest history in i-80 asset portfolio Very mineable high-grade deposit with expansion potential Path to development is focused on permitting and executing on the dewatering plan i-80 GOLD CORP | 50
Slide 51: Lone Tree Autoclave
LONE TREE AUTOCLAVE Fully permitted; short construction timeline Enhances i-80 Gold’s operational efficiency, cost structure Key component to unlocking value of underground deposits i-80 GOLD CORP | 51
Slide 52: Lone Tree Autoclave Overview
LONE TREE AUTOCLAVE OVERVIEW Centrally located between i-80 Gold’s History POX assets enabling hub-and-spoke mining Expansion and processing business model 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 2020 2021+ Santa Fe Newmont NGM i-80 Gold Autoclave refurbishment cla
Slide 53: Autoclave Has Capacity to Become the Hub for Nevada Operations
AUTOCLAVE HAS THE CAPACITY TO BECOME THE HUB FOR i-80 GOLD’S NEVADA OPERATIONS GRANITE CREEK UNDERGROUND Trade-off scenarios will be considered following the autoclave refurbishment class 3 engineering study in 2025 ARCHIMEDES LONE TREE UNDERGROUND Eliminates reliance on costly third-party toll mill
Slide 54: Lone Tree Autoclave Refurbishment
LONE TREE AUTOCLAVE REFURBISHMENT RESTART INCREASES PAYABILITY Design Basis Values • Mill throughput of 2500 tpd • Autoclave throughput of 122.5 tph • Design AC temp. 389°F • Design AC pres. 297 PSI(g) • Circuit Designed for Alkaline and Acid Pressure Oxidization (POX) operation • Overall circuit av
Slide 55: Autoclave circuit flow diagram
Filtered Tails Carbon in Water Treatment RO A/C Boiler Leach Mercury Scrubber A/C Oxygen Plant i-80 GOLD CORP | 55
Slide 56: New Circuits
NEW CIRCUITS STATE-OF-THE-ART POX HG ABATEMENT CIRCUIT • Duty-Standby arrangement to minimize interruptions to POX operations • Captures all Hg vapor in POX exhaust prior to atmospheric discharge • Air dilution for humidity control TAILINGS FILTRATION & REVERSE OSMOSIS Dry Stack Tailings Filtration
Slide 57: Optimization at the Oxygen Plant
OPTIMIZATION AT THE OXYGEN PLANT • Feasibility study currently contemplates a replacement oxygen plant or refurbishing the existing oxygen plant • Existing oxygen plant is adequately sized to provide oxygen for the autoclave and CIL circuit Copyright © Hatch 2023. All Rights Reserved. i-80 GOLD CORP
Slide 58: Lone Tree Q&A
LONE TREE Q&A Start autoclave optimization engineering with Hatch Q2 2025 Complete optimization study by Q3 2025 Publish finalized class 3 engineering study on the Lone Tree Autoclave i-80 GOLD CORP | 58
Slide 59: Recapitalization Update
RECAPITALIZATION UPDATE IMPLEMENTING A STRATEGIC RECAPITALIZATION AND FINANCIAL RESTRUCTURING PLAN TO EXECUTE GROWTH Four Near-term Development Projects Within Updated PEAs for all five projects reflecting Our Portfolio Valued at $2B+ at $2,900/oz Spot Gold current cost environment to support discus
Slide 60: Key Value Drivers for i-80 Gold
KEY VALUE DRIVERS FOR i-80 GOLD Proven Nevada High-Grade Organic Strategic Strategic Recapitalization Mining Expertise Growth Pipeline Hub-and-Spoke & Financial Minimizes Operating and & Resource Expansion Mining and Restructuring Plan Execution Risk Potential on Brownfield Sites Processing Model fo
Slide 61: Thank You
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Slide 62: Appendix
APPENDIX
Slide 63: Mineral Resources
MINERAL RESOURCES(4,5,6,8,9,10) MINERAL RESOURCES Tonnes (kt) Au Grade (Au g/t) Ag Grade (Ag g/t) Au Ounces (Koz) Ag Ounces (Koz) Mineral Resources Attributable to Measured i-80 Gold Corp. Granite Creek – Open Pit 26,360 1.26 1066 Granite Creek – Underground 133 8.5 37 Lone Tree – Open Pit Cove – Un
Slide 64: Experienced Board of Directors
EXPERIENCED BOARD OF DIRECTORS RICHARD YOUNG EVA BELLISSIMO CHRISTINA CASSANDRA RON CLAYTON JOHN BEGEMAN JOHN SEAMAN ARTHUR EINAV MCCARTHY JOSEPH Chief Executive Chairman Director Director Director Director Director Director Officer & Director 4 0 + year s 20+ year s leg al, 40+ year s o p er atio n
Slide 65: Capital Structure
CAPITAL STRUCTURE Shares Issued and Outstanding1 443,358,811 Warrants2 48,185,249 Options2 10,693,911 Analyst Coverage RSU’s2 2,876,991 Canaccord Genuity Corp. Peter Bell DSU’s2 824,370 Cormark Securities Richard Gray Potential Shares from Convertible National Bank Don DeMarco 49,318,161 Notes2,3 RB
Slide 66: Non-IFRS/Non-GAAP Financial Performance Measures
NON-IFRS/NON-GAAP FINANCIAL PERFORMANCE MEASURES The Company has included certain terms or performance measures in this presentation that commonly used in the gold mining industry that are not defined under International Financial Reporting Standards (“IFRS”) or United States Generally Accepted Acco
Slide 67: Endnotes
ENDNOTES 1) Consolidated production estimates for Cove Underground Project, Archimedes Underground Project, Mineral Point Open Pit Project, Granite Creek Underground Project, and Granite Creek Open Pit Project are based on the most recent life-of-mine production schedules disclosed in the latest Pre
Slide 68: Endnotes
ENDNOTES 8) Granite Creek Underground Project: Mineral resources have been estimated at a gold price of $2,175 per troy ounce; Mineral resources have been estimated using gold metallurgical recoveries ranging from 85.2 to 94.2% for pressure oxidation and 40-70% for carbon-in- leach (“CIL”) toll proc