Iamgold Corporation · TSX:IMG

Iamgold — Technical Presentation (November 2018)

15 slides from Iamgold's technical presentation, Nov 2, 2018

  1. Slide 1: Côté Gold Project Feasibility Study Conference Call

    Côté Gold Project Feasibility Study Conference Call November 2, 2018 l TSX: IMG l NYSE: IAG l

  2. Slide 2: Cautionary Statement

    Cautionary Statement All information included in this presentation whether in narrative or chart form, including any information as to the Company’s future financial or operating performance, and other statements that express management’s expectations or estimates of future performance, other than s

  3. Slide 3: Technical Information and Qualified Persons

    Technical Information and Qualified Persons The 2018 Côté Gold FS was prepared by both Wood and IAMGOLD Qualified Persons (QP’s) (as defined under National Instrument 43-101). Wood Qualified Persons are independent of IAMGOLD and have reviewed and approved this news release. The affiliation and area

  4. Slide 4: Côté Gold Project

    Ontario keySuoe rior’ _ akelhiuson) Michigan ichigan: 5 Oe Bay, ‘ote Gold Project kezOntario) 7 \ ¢ y S) IAMGOLD 500 kV Power line

  5. Slide 5: A Key Milestone for IAMGOLD

    A Key Milestone for IAMGOLD • Base Case: Aligned with the current permitting process. Based on 88% exploitation of Total Reserves • Extended: Adds two additional years without material expansion to the project’s footprint. Permit amendments may be required to raise Mine Rock Area and Tailings Manage

  6. Slide 6: Mineral Resources – July 26, 2018

    Mineral Resources – July 26, 2018 Attributable Tonnes Grade Contained Ounces Classification Contained Ounces (000) (g/t Au) (000) (000) Measured 171.9 0.96 5,310 3,438 Indicated 183.5 0.79 4,660 3,017 Measured & Indicated 355.4 0.87 9,970 6,455 Inferred 112.8 0.67 2,430 1,573 1 CIM Definition Standa

  7. Slide 7: Total Mineral Reserves – July 26, 2018

    Total Mineral Reserves – July 26, 2018 Contained IMG Attributable Tonnes Grade Classification Ounces Contained (millions) (g/t Au) (000) Ounces (000) Mineral Reserves within Base Case Mine Plan Proven 145.1 1.02 4,752 3,077 Probable 57.9 0.88 1,639 1,061 Proven & Probable 203.0 0.98 6,391 4,138 Mine

  8. Slide 8: Evolution of Reserves and Resources

    Evolution of Reserves and Resources IMG Attributable Reserves and Resources 10.0 1.0 9.0 0.9 8.0 0.8 7.0 0.7 Ore Grade (g/t Au) Ounces Au (Moz) 6.0 0.6 5.0 0.5 4.0 0.4 3.0 0.3 2.0 0.2 1.0 0.1 - - 2012.02 2012.10 2012 YE 2013 YE 2014 YE 2015 YE 2016 YE 2017 YE FS Prov+Prob. Rsrv Ounces M+Ind. Rsrce O

  9. Slide 9: Robust Project Economics

    Robust Project Economics FS (2018) Change from PFS PFS (2017) Base Case Extended Base Case Extended Mining Capacity 60 Mtpa 62 Mtpa 70 Mtpa + 2 Mtpa + 10 Mtpa Daily Milling Throughput 32kt 36kt 36kt + 4kt +4kt LOM Avg. Annual Production 320 koz 367 koz 372 koz + 47 koz + 52 koz Recovered Gold 5.4 Mo

  10. Slide 10: Initial Capital Waterfall

    Initial Capital Waterfall $1,225 $3.0 $1,200 $10.4 $18.0 $8.5 $1,175 $18.4 $9.5 $1,172 $1,150 $23.0 Capital Cost ($M) $70.2 $25.0 $1,147 $1,125 $25.0 $20.0 $1,100 $1,101 $64.4 $1,075 $1,050 $1,047 $1,025 $1,000 $975 $950 10

  11. Slide 11: NPV Waterfall

    NPV Waterfall $1,500 $1,450 $17 $1,400 $44 $139 $1,350 $47 $1,300 $124 $1,250 $135 $1,200 Projected NPV (USD M) $1,150 $87 $1,100 $65 $49 $1,050 $38 $1,000 $19 $18 $950 $538 $17 $900 $850 Notes: $905 $800 $750 5% discount rate applied $700 Leasing of mining equipment assumed at 3.5-4.0% lease rate $

  12. Slide 12: Next Steps

    Next Steps • Completion of various studies to further define site conditions as part of the design process 2015 2016 2017 2018 2019 2020 2021 Yr Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Qtr • Investment decision expected early 2019 Feasibility Study Constru

  13. Slide 13: Execution Advantages

    Execution Advantages • Site situated on continental divide with minimal overburden and access to bedrock for infrastructure construction • Site contains significant aggregate and burrow pits which will be used in the construction of infrastructure such as the TMF and crusher foundations • Mine pit g

  14. Slide 14: De-Risking the Project

    De-Risking the Project • Stage gate process adhered to including PEA, PFS and FS all supported by pro-active IAMGOLD and Sumitomo teams and Qualified Persons. • Fatal flaw review and improvement opportunities identified through extensive peer reviews. • Significant conversion of Reserves to “Proven”

  15. Slide 15: Investor Relations Contacts

    Ken Chernin Laura Young Martin Dumont VP, Investor Relations Director, Investor Relations Senior Analyst, Investor Relations T: 416-360-4743 T: 416-933-4952 T: 416-933-5783 l TSX: IMG l NYSE: IAG l

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