Investor Presentaiton

Gossan Valley 1,2 Gossan Valley expected to grow and de-risk production by providing an additional independent, and relatively shallow production front at Golden Grove Overview 2,3,4 2021 Mineral Resources estimates of 6.3Mt @ 1.1% Cu, 6.3% Zn, 0.5g/t Au, 18g/t Ag Initial 6-year mine life at average mining rate of 326ktpa of ore, producing 2.9ktpa of copper and 20.0ktpa of zinc, with potential for expansion up to 550ktpa Project manager appointed Project Development Schedule² Activity Studies & permitting Approvals Construction Production 2023 2024 2025 H2 H1 H2 H1 H2 H1 2026 12 H2 Long Section of Gossan Valley³ 10,000 Grassi Inferred Mineral Resources estimates outline 31 December 2022 Indicated Mineral Resources estimates outline 31 December 2022 Open Areas 1. 2. This slide includes expected dates and forward looking information. Refer to important information regarding forward looking statements at the beginning of this presentation. Subject to requisite regulatory approvals and Final Investment Decision ("FID"). 3. M 11,000Y 11,000¥ 1km Gossan Valley A000 TT 12,000Y 29 4. Refer to important information regarding Mineral Resources and Ore Reserves estimates at the beginning of this presentation. Refer to "Golden Grove Studies" released to the ASX announcements platform on 22 November 2022 in relation to the material assumptions underlying this production target. Cautionary statement: The information on this slide constitutes a production target for the purposes of the ASX Listing Rules. The production targets are based on a combination of Indicated and Inferred Mineral Resources. There is a low level of geological confidence associated with Inferred Mineral Resources and there is no certainty that further exploration work will result in the determination of Indicated Mineral Resources or that the production targets outlined on this slide will be realised. 8 9,000Z 10,000Z

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