Sustainability Report 2021

HESTA 40:40 Vision IGO are one of 10 companies leading the way by joining the HESTA 40:40 Vision, pledging to achieve 40:40:20 gender balance in our Executive Leadership Team by 2030. IGO has long advocated the benefits of diversity and inclusion in our business, and we believe that better gender balance in leadership is not only the right thing to do but is also good for business. Centre of Resources Excellence (CoRE) Learning Foundation IGO collaborated with the CoRE Learning Foundation, working towards establishing links that connect industry, community, education and government (state and federal) to meet student’s needs and help deliver future, sustainable workforces in the Australian mining industry. You can read more about our involvement on page 50. Amira Global The Global Industry Standard on Tailings Management was launched on 5 August 2020. The standard provides guidance for our industry to manage its tailings responsibilities. IGO are a member of Amira Global and actively take part in its global tailings program, established to ensure the collaboration of mining companies which together represent over a third of the 2025 planned tailings volume. We recognised that implementation of this industry standard is key and that our industry must work together, learn, share and improve. COMMITMENT TO EXTERNAL INITIATIVES & ASSESSMENT IGO participates in external benchmarking initiatives and sustainability related assessments. We are deliberate in our participation, choosing those that add the greatest value to IGO or those more broadly recognised by external parties and investors. A range of organisations offer third- party assessments of sustainability performance and act as de facto sustainability ratings agencies. Few provide their results freely. Rather, participation in many assessments and access to the resultant comparative data is provided on a fee-for-service basis. Furthermore, we are subject to the opinions of third-party organisations and initiatives, which assess and recognise our performance, based on publicly available information only. The outcome of these external benchmarking assessments informs the continual improvement in our management approaches, sustainability performance and external disclosure. In FY21, IGO actively participated in the following: Dow Jones Sustainability Index (DJSI) The DJSI World Index is a respected global sustainability benchmark for investors to track the stock performance of the world’s leading publicly listed companies in terms of economic, environmental and social criteria. IGO was included as an index component of DJSI Australia in FY21, which includes those companies assessed as being among the top 30% of sustainable businesses within the ASX 200 listed companies. S&P Global Sustainability Yearbook IGO is proud to be included in the 2021 S&P Global Sustainability Yearbook for the first time, which identifies the top 15% of high performing sustainable companies in the metals and mining industry. This is our first inclusion following an improved ESG score of 64 in last year’s DJSI, a global sustainability benchmark offered by S&P Global. This achievement reflects IGO’s continual commitment to sustainability and Making a Difference. In order to be listed in the Global Sustainability Yearbook, companies must score within the top 15% of their industry and must achieve an S&P Global ESG score within 30% of their industry’s top-performing companies. IGO are one of only two Australian metal and mining companies to be included in the yearbook. Our addition shows that IGOs’ sustainability practices rank with the best of resource companies, not only in Australia, but also globally. CDP is an independent, non-profit organisation that runs a global disclosure system to encourage companies worldwide to measure and manage their ESG impacts. IGO participated in two assessments in 2020 — climate change and water. Our climate change score remained a C and our water disclosure was scored as B-. IGO made the decision not to respond to the 2020 forest questionnaire, as CDP have not developed the scoring methodology for mining companies. Therefore, we did not participate. For this reason, we also did not participate in 2021. ISS Environmental and Social Disclosure Quality Score ISS uses a scoring and screening process to measure and identify areas of ESG risk through company disclosure. This assists investors in their assessment of a portfolio’s exposure to risk. ISS assesses the quality of ESG practice across industry groups, such as metals and mining, with a score of 1 to 10, with 1 indicating ‘better disclosure and lower risk.’ In FY21, IGO improved our ESG score for both ‘governance risk and disclosure’ and ‘environmental risk.’ We scored 1 for governance (improving from a 2 in FY20), 2 for environment (improving from a 3 in FY20) and 4 for social risk. Global Reporting Initiative (GRI) GRI is an independent organisation with an international framework outlining benchmark standards for sustainability reporting. We prepare our annual Sustainability Report in line with the GRI Sustainability Reporting Standards (Core option) and the GRI Mining and Metals Sector Supplement, however, we commit to reporting above and beyond what is required of the core option to ensure full transparency. Our GRI content index can be found on page 106. In FY21, our overall sustainability performance improved considerably in all three benchmarking assessments. The quality of corporate sustainability reporting is also assessed by various non-government organisations and investment bodies such as the Australian Council of Superannuation Investors (ACSI) which conducts an annual review of the quality of ESG reporting by each ASX 200 company. ACSI has rated IGO’s sustainability reporting as ‘Leading’ for the last six consecutive years. We will continue to pursue a leading position in sustainability and ESG reporting. We are also proud to report our achievements in the Australasian Reporting Awards (ARA). IGO achieved a Gold Award for our Sustainability Report in 2021. The ARA criteria are based on global best-practice reporting and reflect IGO’s focus on sustainability and transparent public disclosure. Our Approach to Sustainability 28 —IGO SUSTAINABILITY REPORT 2021

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