Investor Presentaiton

29 M Esperanza South Long-Section1 Even better at depth O 5,000 412 Base of underground development 525m below surface D 4,500 Local Grid North 19,500 200m • СКОКО 01000 19,500 0,000 5,000 31-Dec-22 Mineral Resources and Ore Reserves estimates for Esperanza South:2 - Mineral Resources 18.8Mt at 2.0% Cu Ore Reserves 10.8Mt at 1.6% Cu ■ Recent drilling results:3 - 70.0m @ 2.8% Cu, 26g/t Ag, 1083ppm Co (SDESS22_003_W3A) - 48.1m @ 2.7% Cu, 23g/t Ag, 1221ppm Co (SDESS22_003_W2) - 23.0m @ 3.0% Cu, 10g/t Ag, 779ppm Co (SDESS22_003A_W1) 23.0m @ 3.0% Cu, 10g/t Ag, 779ppm Co, from 737m 70.0m @ 2.8% Cu, 26g/t Ag, 1083ppm Co, 500 from 821m 48.1m @ 2.7% Cu, 23g/t Ag, 1221ppm Co, from 878.9m Inferred Mineral Resources estimate outline (31 Dec 2022) Indicated Mineral Resources estimate outline (31 Dec 2022) 1. Measured Mineral Resources estimate outline (31 Dec 2022) Open Areas 2. Drilled Holes - Highlighted Intersection Drilled Holes - Mineralised Intersection Drilled Holes - No Significant Intersection Drilling Prior to This Announcement 19 50 0 50m 3. Illustrative outline of 29Metals' 31-Dec-2022 Mineral Resources estimates for ESS. Refer to important information at the beginning of this presentation regarding 29Metals' Mineral Resources & Ore Reserves estimates. Mineral Resources estimates for ESS are a subset of, and included in, 29Metals' Mineral Resources estimates for Capricorn Copper. Refer to important information at the beginning of this presentation regarding 29Metals' Mineral Resources and Ore Reserves estimates. Refer to "Exploration Update - Capricorn Copper" released to the ASX announcements platform on 12 April 2023 (a copy of which is available on 29Metals' website at: https://www.29metals.com.investors/asx-announcements) for further information regarding these drilling results, including Competent Persons, statements and JORC Code table disclosures. 14

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