IGO Interactive Annual Report 2020

TROPICANA GOLD MINE TABLE 6 — 31 December 2018 and 31 December 2019 TROPICANA GOLD MINE — 100% ORE RESERVES Estimate JORC Code Class 2018 2019 Mass Gold Mass Gold (Mt) (g/t) (koz) (Mt) (g/t) (koz) Open pit Proved 4.2 1.68 230 1.5 2.28 110 Probable 43.2 1.94 2,690 30.1 2.00 1,940 Subtotal 47.4 1.91 2,920 31.6 2.02 2,050 Underground Proved - - - - - - Probable 2.7 3.65 320 2.7 3.60 310 Subtotal 2.7 3.65 320 2.7 3.60 310 Stockpiles Proved 15.5 1.01 500 22.0 0.94 670 Total Proved 19.8 1.15 730 23.5 1.03 780 Probable 45.9 2.04 3,010 32.8 2.13 2,250 Total 65.7 1.77 3,740 56.3 1.67 3,030 TROPICANA GOLD MINE — 100% MINERAL RESOURCES Estimate JORC Code Class 2018 2019 Mass Gold Mass Gold (Mt) (g/t) (koz) (Mt) (g/t) (koz) Open pit Measured 6.5 1.29 270 2.4 1.68 130 Indicated 75.5 1.50 3,640 53.3 1.57 2,690 Inferred 5.6 1.31 240 3.3 1.23 130 Subtotal 87.6 1.47 4,140 59.0 1.56 2,950 Underground Measured - - - - - - Indicated 8.5 4.11 1,120 11.4 3.08 1,130 Inferred 12.4 4.36 1,730 19.1 3.24 1,990 Subtotal 20.8 4.26 2,850 30.5 3.18 3,120 Stockpiles Measured 27.8 0.79 700 39.0 0.76 950 Total Measured 34.3 0.88 970 41.4 0.81 1,080 Indicated 84.0 1.76 4,760 64.7 1.84 3,820 Inferred 17.9 3.41 1,970 22.4 2.95 2,120 Total 136.2 1.76 7,700 128.5 1.70 7,020 TABLE 5 — 31 December 2018 and 31 December 2019 Competent Persons Statement Information in this Mineral Resources and Ore Reserves section that relates to Exploration Targets, Exploration Results, Mineral Resources or Ore Reserves is based on the information compiled by the Competent Persons listed in Table 7 below, which includes details of their respective professional memberships, their relationship to IGO and details of the reporting activity for which each Competent Person is taking responsibility. All the Competent Persons listed below have provided IGO with written confirmation that they have sufficient experience that is relevant to the style of mineralisation and type of deposit under their consideration, and to the reporting activity being undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves – the JORC Code. They have also provided IGO with a written consent in the ASX release dated 30 January 2020 to the inclusion in this report of the respective matters based on each Competent Person’s information in the form and context in which they appear in this report, and that there are no issues that could be perceived as a material conflict of interest in this public report to the ASX. IGO COMPETENT PERSONS FOR 31 DECEMBER 2019 ESTIMATES AND RESULTS Professional Association Activity Competent Person Membership Number IGO Relationship Responsibility Activity Exploration Results Ian Sandl MAIG/RPGeo 2388 General Manager Exploration IGO Perth IGO greenfield results Damon Elder MAusIMM 208240 Manager Mine Geology TGM AngloGold Ashanti Australia TGM results Mineral Resources Paul Hetherington MAusIMM 209805 Geology Superintendent IGO Nova Operation Nova Operation estimate Damon Elder MAusIMM 208240 Manager Mine Geology TGM AngloGold Ashanti Australia TGM estimates Ore Reserves Gregory Laing MAusIMM 206228 Superintendent Planning IGO Nova Operation Nova Operation estimate Joanne Endersbee MAusIMM/CP 334537 Manager Integrated Planning TGM AngloGold Ashanti Australia TGM estimates CY19 Report Mark Murphy MAIG/RPGeo 2157 Resource Geology Manager IGO Perth IGO Annual Report TABLE 7 — 31 December 2019 Notes: 1 MAusIMM = Member of Australasian Institute of Mining and Metallurgy, MAusIMM/CP = MAusIMM and Chartered Professional MAIG/RPGeo = Member of Australian Institute of Geoscientists and Registered Professional Geoscientist. 2 Information in this report that relates to Exploration Targets, Exploration Results, Mineral Resources or Ore Reserves is based on the information compiled by the relevant Competent Persons listed above. 3 All IGO personnel are full-time employees of IGO; all AGAA personnel are full-time employees of AGAA. 4 All the Competent Persons have provided IGO with written confirmation that they have sufficient experience that is relevant to the styles of mineralisation and types of deposits, and the activity being undertaken with respect to the responsibilities listed against each professional above, to qualify as a Competent Person as defined in the 2012 edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves – the JORC Code 2012 Edition. 5 Each Competent Person listed above has provided to IGO by email: • Proof of their current membership to their respective professional organisations as listed above • A signed consent to the inclusion of information for which each person is taking responsibility in the form and context in which it appears in this report, and that the respective parts of this report accurately reflect the supporting documentation prepared by each Competent Person for the respective responsibility activities listed above; and • Confirmation that there are no issues that could be perceived by investors as a material conflict of interest in preparing the reported information. NOVA OPERATION — ORE RESERVES Source JORC Code Class 2018 2019 Mass Nickel Copper Cobalt Mass Nickel Copper Cobalt (Mt) (%) (kt) (%) (kt) (%) (kt) (Mt) (%) (kt) (%) (kt) (%) (kt) Underground Proved 11.3 1.91 215 0.76 86 0.06 7 9.2 1.86 172 0.78 72 0.07 6 Probable 0.2 1.26 2 0.46 1 0.04 <1 0.2 1.49 3 0.58 1 0.05 <1 Subtotal 11.5 1.90 217 0.76 87 0.06 7 9.5 1.85 176 0.78 74 0.07 6 Stockpiles Proved 0.1 2.11 1 0.86 1 0.08 <1 0.1 1.88 1 0.79 1 0.06 <1 Total Proved 11.4 1.91 216 0.76 87 0.06 7 9.3 1.86 174 0.78 73 0.07 7 Probable 0.2 1.26 2 0.46 1 0.04 <1 0.2 1.49 3 0.58 1 0.05 <1 Total 11.5 1.90 219 0.76 87 0.06 7 9.5 1.85 177 0.78 74 0.07 6 TABLE 4 — 31 December 2018 and 31 December 2019 NOVA OPERATION CONT. 30 — IGO ANNUAL REPORT 2020 IGO ANNUAL REPORT 2020— 31