Iamgold Corporation · TSX:IMG

Iamgold — Technical Presentation (July 2017)

18 slides from Iamgold's technical presentation, Jul 27, 2017

  1. Slide 1: Rosebel Reserves and Resources Update

    Rosebel Reserves and Resources Update July 27, 2017 Empowering People, Extraordinary Performance l TSX: IMG l NYSE: IAG l

  2. Slide 2: Cautionary Statement

    Cautionary Statement All information included in this presentation, 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 statements of historical fact, const

  3. Slide 3: Balanced Business Model

    Balanced Business Model Short-Cycle Capacity Long-Cycle Capacity ROSEBEL MINE CÔTÉ GOLD • SARAMACCA • DEVELOPMENT PROJECT • SADDLES ESSAKANE MINE BOTO, PITANGUI, • HEAP LEACHING SIRIBAYA • FALAGOUNTOU • WHOLLY-OWNED EXPLORATION PROJECTS WESTWOOD MINE • PRODUCTION EASTERN BOROSI, RAMP-UP MONSTER LAKE

  4. Slide 4: Attributable Reserves (M oz)

    Reserves at Rosebel Concession Increase 80%* “This does not include Saramacca” 10 9 8.9 8 Attributable Reserves (M oz)1,2 7 6 5.7 5 4 3.5 3 2.5 2.0 2 1 0.6 0 Dec. 2016 Jun. 2017 Dec. 2016 Jun. 2017 Dec. 2016 Jun. 2017 M&I Inferred Reserves (Including Reserves) *Reserve and resource numbers on this s

  5. Slide 5: Transformation of Rosebel Mine Continues

    Transformation of Rosebel Mine Continues Rosebel Saramacca Concession Initial 80% increase Resource in Reserves to Estimate 3.5M oz. from Expected 2.0M oz September 2017 Extends Mine Life to 2028 4 Refer to: IAMGOLD News Release dated July 26, 2017

  6. Slide 6: Rosebel's LOM vs. Gold Price Assumptions

    Rosebel’s LOM* vs. Gold Price Assumptions 2030 1450 2028 1400 2026 1350 LOM (Year Ending)* Gold Price (US$/oz) 2024 1300 2022 1250 2020 1200 2018 1150 2016 1100 Jan 15, Jun 15, Jan 15, June 15, Jan 15, June 15, Jan 15, June 15, 2014 2014 2015 2015 2016 2016 2017 2017 LOM Gold Price *Internal Life of

  7. Slide 7: IAMGOLD Reserves up 69% from December 2016

    IAMGOLD Reserves up 69% from December 2016* 14 13.2 11.6 Rosebel adds 12 another 1.6 M oz Attributable Reserves (M oz) 1,2,3,4,5,6 Côté Gold 10 adds 3.8M oz 8 7.8 6 4 2 0 Dec.31 2016 June 2017 July 2017 *Reserve numbers included on this slide have been rounded 1. Reserves for all sites except Sadiol

  8. Slide 8: Resource Estimate Development

    Resource Estimate Development 2014  Major reconciliation audit with action plans › Geology, grade control, mine operations, mill operations, assay lab, QA/QC, accounting  New Geology team in place. › Major review of historical geologic work, drilling programs, targeting strategy, modelling practic

  9. Slide 9: Resource Estimate Development (cont.)

    Resource Estimate Development (cont.) 2016  Greater coverage of RC grade control, reduction of blasthole grade control  Reconciliation workshop; enhanced reconciliation processes introduced across IMG  Drilling of saddle zone targets commenced › Test of concept drilling followed by detailed drill

  10. Slide 10: Cost Improvement – 2014 to 2017

    Cost Improvement – 2014 to 2017  Significant Productivity, Quality, and Equipment Reliability improvements have been realized in mining and milling  We Tjaring Waka: Operational enhancement initiative (with 3rd party) in 2014 and 2015 › Mine planning, mine operations, mine maintenance and mill mai

  11. Slide 11: Cost Improvement – 2014 to 2017 (cont.)

    Cost Improvement – 2014 to 2017 (cont.)  Improved input prices: • Fuel Price reduction • Favorable exchange rate movement (SRD)  Productivity enhancements and right sizing allowed a 10% reduction in manpower, end of 2015 • The expatriate component of the labour force has been optimized through inc

  12. Slide 12: Enhanced Value Mine Plan – Money Mining

    Enhanced Value Mine Plan – Money Mining Step #1: Shell Selection  Whittle pit optimization used to determine maximum net discounted cash flow  Selection methods incorporates phasing into the ultimate undiscounted pit shell selection, to obtain a discounted optimized cash flow.  Dilution factor of

  13. Slide 13: Multi-Pit Blending – Money Mining (Cont.)

    Multi-Pit Blending – Money Mining (Cont.)  Detailed mine designs chosen from selected shells, with extensive use of pit phasing Pits LOM 2016 Phases LOM 2017 Phases Rosebel 2 7 Pay Caro 3 5 J-Zone 2 5 Royal Hill 1 3 Mayo 1 5 Roma West 1 1 Roma East 0 1 1 Koolhoven 1 02 Total 11 27 Notes: 1. Roma Ea

  14. Slide 14: 2017 R&R – Mineral Reserve Waterfall (100% Basis)

    2017 R&R – Mineral Reserve Waterfall (100% Basis) 13

  15. Slide 15: Ounces Produced per Material Type (100% Basis Exc. Stockpiles)

    Ounces Produced per Material Type (100% Basis Exc. Stockpiles) 4,000 3,500 3,000 Average Cutoff Grades 2,500 Material 2016 % of 2017 Ounces (k oz) 2017 LOM Type LOM Reserve 2,000 Saprolite 0.23 0.16 5% 1,500 Transition 0.27 0.21 14% Hard Rock 0.43 0.45 81% 1,000 500 0 Lat Sap Trans Rock Total Materi

  16. Slide 16: Historical Production vs. Reserves

    Historical Production vs. Reserves 10,000 1,500 1,400 $ 1,300 $ 1,200 $ 1,200 $ 1,200 $ 1,200 $ 1,200 $ 8,000 1,200 975 $ 3,730 5,732 Gold Price ($/Oz) 6,000 850 $ 6,031 4,273 900 6,120 3,155 2,351 2,078 700 $ 5,010 600 $ 4,000 600 500 $ 3,662 400 $ 425 $ 3,785 3,366 350 $ 3,150 4,729 2,000 3,879 4,

  17. Slide 17: Conclusion

    Conclusion 1. Longevity 2. Innovation 3. Optimization 4. Continuous Cost Improvement 5. Additional Catalysts Coming 16

  18. Slide 18: Empowering People, Extraordinary Performance

    Ken Chernin Laura Young Shae Frosst VP, Investor Relations Director, Investor Relations Associate, Investor Relations T: 416-360-4743 T: 416-933-4952 T: 416-933-4738 Empowering People, Extraordinary Performance l TSX: IMG l NYSE: IAG l

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