IGO SUSTAINABILITY REPORT 2020

DISCLOSURE NUMBER DISCLOSURE TITLE LOCATION OR EXPLANATION Other material topics 103-1, 103-2 Explanation of the material topic and Boundary Management approach on Capital allocation and growth Annual Report – Operational scorecard and outlook (page 18); Nova Operation (pages 20-21); Tropicana Operation (pages 22-23); Regional exploration & development (pages 24-27) Our approach to sustainability – Reporting what matters (pages 22-24) 103-1, 103-2 Explanation of the material topic and Boundary Management approach on Tailings storage Our approach to sustainability – Reporting what matters (pages 22-24) Responsible operations – Environmental management – Mineral residue management (page 66) Common Management System Standard 3 – Risk Management Common Management System Standard 13 – Emergency Preparedness and Business Continuity Planning MM3 Overburden, rock, tailings and sludges and their associated risks Our approach to sustainability – Reporting what matters (pages 22-24) Responsible operations – Environmental management – Mineral residue management (page 66) Performance data – Environment (page 97) IGO Group Environmental Standard 3 – Mineral Waste Management MM10 Number and percentage of operations with closure plans 100 per cent Glossary ACCU Australian carbon credit units AGAA AngloGold Ashanti Australia AMD Acid mine drainage Ag Silver AMEC Association of Mining and Exploration Companies AusIMM Australasian Institute of Mining and Metallurgy Au Gold B Billion Biodiversity Biodiversity describes the variety of life forms: the different plants, animals and microorganisms, the genes they contain, and the ecosystems they form. It is usually considered at three levels: genetic diversity, species diversity and ecosystem diversity. Also referred to as biological diversity. Boundary Stakeholder boundary describes where the identified material topic(s) impacts the reporting organisation’s business and stakeholders. – Internal boundary typically includes employees, contractors, shareholders, investors and joint venture partners. – External boundary typically includes neighbouring communities within the Company’s operational vicinity, Traditional Owners, suppliers, customers, governments, non-government organisations, special interest groups, civil society, and learning and research partners. Climate change Any significant change in the measures of climate lasting for an extended period of time. Climate change includes major changes in temperature, precipitation or wind patterns, among others, that occur over several decades or longer. Co Cobalt CO 2 -e Carbon dioxide equivalent Cu Copper Currency All currency amounts in this report are Australian Dollars (AUD) unless otherwise stated. DMIRS Department of Mines, Industry Regulation and Safety, Western Australia Downstream The term downstream entities are based on the concept of a production chain that extends from the extraction of raw materials to the use of a good or service by an end-user. Downstream refers to those organisations that play a role in the distribution or use of goods and services provided by the reporting organisation, or, more generally, play a role in a later step in the production chain than the organisation itself. DWER Department of Water and Environmental Regulation, Western Australia EBITDA Earnings Before Interest, Tax, Depreciation and Amortisation EM Electromagnetic EM conductors Electromagnetic conductors returned from EM surveys Emission For the purpose of reporting in accordance with the National Pollutant Inventory, emission means the release of a substance to the environment, whether in pure form or contained in other matter, and whether in solid, liquid or gaseous form. Engagement Interactions between people, often a company and its stakeholders. Engagement includes consultation, communication, education and public participation. ERF Emissions reduction fund Fatality Loss of life FAI First aid injury An injury that can be managed by first-aid treatment only. First aid is defined as treatment that falls within the scope of recognised first-aid protocols, regardless of who administers the treatment. 116 — IGO SUSTAINABILITY REPORT 2020 IGO SUSTAINABILITY REPORT 2020— 117 GRI CONTENT INDEX