Glossary AC air core usually in the context of drilling or drill holes ACCU Australian carbon credit units Ag silver AUD Australian dollar BCM bulk cubic metres Cash costs All cash costs quoted include royalties and are net of by-product credits, unless otherwise stated. CGP Chemical Grade Plant Co cobalt COGS Cost of goods sold include onsite and offsite expenses inclusive of expensed deferred waste stripping costs, inventory accounting adjustments and credit adjustments for tantalum sales. Cu copper DD diamond drilling EBITDA Earnings Before Interest, Tax, Depreciation and Amortisation EM electromagnetic EM conductors electromagnetic conductors returned from EM surveys ESG Environment, Social and Governance FY21 The 12 month period 1 July 2020 to 30 June 2021 FY22 The 12 month period 1 July 2021 to 30 June 2022 FY23 The 12 month period 1 July 2022 to 30 June 2023 Greenbushes Greenbushes Operation IFRS International Financial Reporting Standards IGO IGO Limited Kwinana Refinery or Refinery Kwinana Lithium Hydroxide Refinery lb pound LCT Lithium Caesium Tantalum LiOH lithium hydroxide Li2O lithium oxide LTIFR lost time injury frequency rate per million hours worked Mt million metric tonnes Mtpa million metric tonnes per annum Ni nickel NPAT Net Profit After Tax oz ounce RC drilling reverse circulation drilling t metric tonnes TGP Technical Grade Plant Tianqi Tianqi Lithium Corporation TLEA Tianqi Lithium Energy Australia Pty Ltd Tropicana Tropicana Gold Operation TRP Tailings Retreatment Plant Underlying EBITDA Is a non-IFRS measure and comprises net profit or loss before finance costs, depreciation and amortisation and income tax, and after any earnings adjustment items, including asset impairments, gains or losses from the sale of subsidiaries and joint ventures, redundancy and restructuring costs, acquisition and transaction costs and foreign exchange and hedging gains/losses attributable to the acquisition of Tianqi. Underlying Free Cash Flow Comprises Free Cash Flow (Net Cash Flow from Operating Activities and Net Cash Flow from Investing Activities) adjusted to exclude acquisition costs, proceeds from investment sales (including Tropicana) and payments for investments and mineral interests. USD United States dollars Zn zinc $ Australian dollars. All currency amounts in this report are Australian Dollars unless otherwise stated $M million Australian dollars Company Directory Directors Michael Nossal Non-executive Chair Peter Bradford Managing Director and CEO Debra Bakker Non-executive Director Kathleen Bozanic Non-executive Director Peter Buck Non-executive Director Keith Spence Non-executive Director Xiaoping Yang Non-executive Director Executive Leadership Team Peter Bradford Managing Director and CEO Kate Barker General Counsel and Head of Compliance & Risk Matt Dusci Chief Operating Officer Andrew Eddowes Head of Corporate Development Joanne McDonald Company Secretary and Head of Corporate Affairs Sam Retallack Head of People & Culture Scott Steinkrug Chief Financial Officer Perth Office Suite 4, Level 5 South Shore Centre 85 South Perth Esplanade South Perth WA 6151 Postal PO Box 496 South Perth WA 6951 Telephone +61 8 9238 8300 Facsimile +61 8 9238 8399 Email contact@igo.com.au Website www.igo.com.au External Auditor BDO Audit (WA) Pty Ltd Level 9 Mia Yellagonga Tower 25 Spring Street Perth WA 6000 Telephone +61 8 6382 4600 Share Registry Computershare Investor Services Pty Limited Level 11 172 St Georges Terrace Perth WA 6000 Telephone 1300 850 505 (within Australia) +61 3 9415 4000 (outside Australia) Facsimile +61 3 9473 2500 Email www.investorcentre.com/contact Website www.computershare.com Shares Listed on Australian Securities Exchange (ASX) ASX Code: IGO ADR Code: IIDDY Shares on Issue: 757,267,813 ordinary shares Website Through the use of the internet, we have ensured that our corporate reporting is timely, complete and available at minimum cost to the Company. All ASX releases, investor presentations, financial statements and other information are available on our website. www.igo.com.au 160 — IGO ANNUAL REPORT 2022 IGO ANNUAL REPORT 2022 — 161
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