2021 Annual Report

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 3, 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 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 17 March 2021 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. 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 personnel listed above are full-time employees of IGO. 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 material issues that could be perceived by investors as a conflict of interest in preparing the reported information. TABLE 3 — 31 DECEMBER 2020 IGO Competent Persons for 31 December 2020 Estimates and Results Professional Association Activity Competent Person Membership Number IGO Relationship Responsibility Activity Exploration Ian Sandl MAIG/RPGeo 2388 General Manager – Exploration IGO Perth IGO Exploration Results Mineral Resources Paul Hetherington MAusIMM 209805 Geology Superintendent IGO Nova Operation Nova Operation Estimate Ore Reserves Gregory Laing MAusIMM 206228 Strategic Mine Planner IGO Perth Nova Operation Estimate 2020 Report Mark Murphy MAIG/RPGeo 2157 Resource Geology Manager IGO Perth IGO Annual Report IGO ANNUAL REPORT 2021— 27