Announcement PDF 9 April 2025 PRESENTATION AT RRS GATHER ROUND CONFERENCE Hillgrove Resources Ltd (the “Company” or “Hillgrove”) is pleased to provide an updated Corporate Presentation which will be delivered by CEO and Managing Director Bob Fulker to the Resources Rising Stars Gather Round Conference in Adelaide on Thursday 10 April 2025 at 10:00am (ACST), 10:30am (AEST). Shareholders, investors, brokers, fund managers and media are welcome to register to attend the Conference either in-person or virtually: In-Person Event Adelaide Convention Centre, Hall E www.rrsinvestor.com/events Event Livestream – Virtual https://www.bigmarker.com/series/rrs-gather-round-20251/series_summit Authorised for release by the Board of Hillgrove Resources Limited. For more information contact: Mr Bob Fulker CEO & Managing Director Tel: +61 (0) 8 7070 1698 Mr Joe Sutanto Chief Financial Officer & Company Secretary Tel: +61 (0) 8 7070 1698 Hillgrove Resources Limited ACN 004 297 116 Ground Floor, 5-7 King William Road, Unley SA 5061, Australia | T + 61 8 7070 1698 | E info@hillgroveresources.com.au South Australia’s Second Largest Copper Producer Presentation to Resources Rising Star Conference 10 April 2025 Bob Fulker Managing Director 1 Important Notice and Disclaimer Disclaimer To the maximum extent permitted by law, neither Hillgrove nor its related corporations, directors, officers, employees or agents, nor any other person, accepts any liability, including, without limitation, any liability arising from fault or negligence, for any loss arising from the use of this presentation or its contents or otherwise arising in connection with it. Hillgrove is under no obligation to release any updates or revisions to this presentation to reflect any change in expectation or assumptions and disclaim all responsibility and liability for these forward-looking statements (including, without limitation, liability for fraud or negligence). Nothing contained in this Document constitutes investment, legal, tax or other advice. The information in this Document does not take into account the investment objectives, financial situation or particular needs of any recipient. Before making an investment decision, each recipient of this Document should make its own assessment and take independent professional advice in relation to this Document and any action taken on the basis of this Document. All currency referred to is Australian dollars ($) unless otherwise indicated (e.g. US$). Forward Looking Statement This release contains or may contain certain forward-looking statements and comments about future events, that are based on Hillgrove's beliefs, assumptions and expectations and on information currently available to management as at the date of this presentation. Often, but not always, forward-looking statements can generally be identified by the use of forward-looking words such as "may", "will", "expect", "plan", "believes", "estimate", "anticipate", "outlook", and "guidance", or similar expressions, and may include, without limitation, statements regarding plans, strategies and objectives of management, anticipated production and production potential, financial forecasts, product quality estimates of future Mineral Resources and Ore Reserves. Such statements are only expectations or beliefs and are subject to inherent risks and uncertainties which could cause actual values, results or performance achievements to differ materially from those expressed or implied in this announcement. Where Hillgrove expresses or implies an expectation or belief as to future events or results, such expectation or belief is expressed in good faith and on a reasonable basis. No representation or warranty, express or implied, is made by Hillgrove that the matters stated in this presentation will in fact be achieved or prove to be correct. Except as required by law, Hillgrove undertakes no obligation to provide any additional or updated information or update any forward-looking statements whether on a result of new information, future events, results or otherwise. Readers are cautioned against placing undue reliance on forward-looking statements. These forward-looking statements are not guarantees of future performance and involve known and unknown risks, uncertainties, assumptions and other important factors, many of which are beyond the control of Hillgrove, the directors, and management of Hillgrove. These factors include, but are not limited to difficulties in forecasting expected production quantities, the potential that any of Hillgrove's projects may experience technical, geological, metallurgical and mechanical problems, changes in market prices and other risks not anticipated by Hillgrove, changes in exchange rate assumptions, changes in product pricing assumptions, major changes in mine plans and/or resources, changes in equipment life or capability, emergence of previously underestimated technical challenges, increased costs, and demand for production inputs. Competent Person’s Statement As an Australian company with securities listed on the Australian Securities Exchange (ASX), Hillgrove is subject to Australian disclosure requirements and standards, including the requirements of the Corporations Act and the ASX. Investors should note that it is a requirement of the ASX listing rules that the reporting of ore reserves and mineral resources in Australia comply with the 2012 edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (the JORC Code). The information in this report that relates to the 2024 Kanmantoo Mineral Resource Estimate and the 2024 Ore Reserve is extracted from ASX release titled ‘Maiden Kanmantoo Underground Ore Reserve and 96% Increase in Copper Mineral Resource Endowment’ dated 18 October 2024 and is available to view at www.hillgroveresources.com.au. The Company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcement and that all material assumptions and technical parameters underpinning the Mineral Resource Estimate and Ore Reserve in the relevant market announcement continue to apply and have not materially changed. The Company confirms that the form and context in which the Competent Person's findings are presented have not been materially modified from the original market announcements. The information in this report that relates to the 2022 Mineral Resource Estimate for Nugent and Kavanagh was extracted from the ASX release titled Updated Nugent Underground Mineral Resource Estimate on the 26 July 2022 and is available to view at www.hillgroveresources.com.au. The Company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcement and that all material assumptions and technical parameters underpinning the Mineral Resource Estimate in the relevant market announcement continue to apply and have not materially changed. The Company confirms that the form and context in which the Competent Person's findings are presented have not been materially modified from the original market announcements. The information in this report that relates to planned drilling opportunities was extracted from the ASX release titled ‘2025 Kanmantoo Exploration Target Update’ previously released on the 13 Feb 2025 and is available to view at www.hillgroveresources.com.au. The company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcement and that all material assumptions and technical parameters underpinning the information in the relevant market announcement continue to apply and have not materially changed. The company confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the original market announcement. The information in this report that relates to previously reported exploration drilling results were extracted from the ASX releases titled ‘Quarterly Report and Appendix 5B for 31 December 2024’ released on 21 January 2025, and ‘Kanappa CuAu Drilling Results’ previously released on the 30 January 2019 these are available to view at www.hillgroveresources.com.au. The company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcements and that all material assumptions and technical parameters underpinning the estimates in the relevant market announcement continue to apply and have not materially changed. The company confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the original market announcement. ASX:HGO | Investor Presentation | April 2025 2 Strong outlook for copper Critical mineral enabling the global energy transition Copper Price (US$/lb) (65 year log chart) $6.40 $3.20 Demand drivers ▪ Decarbonisation ▪ Electrification ▪ Population growth ▪ Urbanisation $1.60 Supply constraints $0.80 $0.40 $0.20 ▪ Declining grades ▪ Underinvestment in new projects ▪ Extended permitting timelines ▪ Geopolitical tensions ▪ Operational disruptions Source: Macrotrends.net ASX:HGO | Investor Presentation | April 2025 3 Kanmantoo operations Supplying critical minerals for a sustainable future ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ Rehabilitated Tailings Storage Facility at Kanmantoo 1. ASX:HGO | Investor Presentation | April 2025 2. Long legacy of environmental stewardship and positive stakeholder engagement Supporting the local community with a residential workforce ▪ 54% within 25kms ▪ 95% within 125km Underground bulk mining (stoping) Well capitalised infrastructure ▪ Plant capacity: 3.6Mtpa ▪ Tailings Storage Facility permitted for 6.0Mt ▪ Power and water supply secured ▪ Concentrate trucked 75km to Port Adelaide Life of mine offtake with Freepoint Commodities Maiden Copper Ore Reserve ▪ 2.8Mt at 0.91% for 26kt Copper1 Copper Mineral Resource ▪ 19.3Mt at 0.77% for 150kt Copper1 Near mine exploration including recent results from Nugent2: ▪ 18.55m @ 5.69% Cu + 1.02g/t Au ▪ 16.00m @ 2.96% Cu + 0.42g/t Au Refer to ASX announcement 18 October 2024 titled ‘Maiden Kanmantoo underground Ore Reserve and 96% increase in copper Mineral Resource endowment’ Refer to ASX announcement 21 January 2025 titled Quarterly Report and Appendix 5B for 31 December 2024 4 Our vision, values and strategy Our vision To be a mid-tier, multi-asset Australian copper producer unlocking value for a sustainable future Our culture and values SAFETY We operate safely, protect each other and the environment and leave a positive legacy for future generations INTEGRITY We are respectful, ethical and trustworthy, we do what is ‘right’ not just what we have to do DELIVERY We hold ourselves accountable for the delivery of sector leading results, what we are known for Our strategy BALANCED PROFILE Multi-asset, Australian copper producer GROWTH ASSET QUALITY FINANCIAL STRENGTH REPUTATION Demonstrate growth Improving asset quality Achieve portfolio and Deliver on promises; – organic and inorganic through each transaction growth objectives while operating capability; retaining financial stakeholder, investor and strength ESG responsibilities 5 Organic growth at Kanmantoo in 2025 Significant near mine Mineral Resource growth opportunities ▪ Nugent Decline acceleration To increase mine production by 25% and decrease operating unit rates ▪ Kanmantoo 2024 Mineral Resources1: 19.3Mt grading 0.77% Cu and 0.14g/t Au containing 150kt Cu and 82koz of Au Compared to 2022 MRE2 this represents a: ▪ 96% increase in contained copper ▪ 138% increase in contained gold ▪ Kanmantoo 2024 Maiden Ore Reserve1: 2.8Mt grading 0.91% Cu and 0.15g/t Au containing 26kt Cu and 14koz Au ▪ ~60,000 metres of drilling planned for 2025 budgeted to focus on Reserve conversion, Resource definition, and target new areas3: Long section of exploration drilling in 2025 1. 2. 3. ASX:HGO | Investor Presentation | April 2025 Refer to ASX release on 18 October 2024 titled “Maiden Kanmantoo underground Ore Reserve and 96% increase in copper Mineral Resource endowment” Refer to ASX release on 26 July 2022 titled Updated Nugent Underground Mineral Resource Estimate Refer to ASX announcement on 13 Feb 2025 titled ‘2025 Kanmantoo Exploration Target Update’ 6 Organic growth for Hillgrove in 2025 Exciting greenfield targets on 100% owned tenements Kanappa Drill target Geophysical Surveys ▪ Soil Sampling → Drill Targets ▪ Geophysical Surveys ▪ Diamond Drilling ▪ Cross section of the previously completed KPDD002 and KPDD0031 ASX:HGO | Investor Presentation | April 2025 Southeast target 1. Hillgrove Exploration Licences and identified potential targets Refer to ASX Release on 30 January 2019 titled Kanappa Cu-Au Drilling Results 7 Delivering our Strategy Delivering the Business 2024 • Achieved Commercial Production • Improved Mineral Resource • Maiden UG Ore Reserve • Stabilised costs 2025 • Announced cost and production guidance • Achieve 1.4 million tonne rate • Expanding the mining footprint • 12% improvement in monthly development rates ASX:HGO | Investor Presentation | April 2025 Priority 2 Priority 1 To be a mid-tier Australian, multi asset, copper producer unlocking value for a sustainable future Growing the Business Kanmantoo Organic Growth • Acceleration of Nugent decline • 25% increase in mined tonnages • 40km Resource definition drilling • 20km Resource extension Drilling • Target near mine known mineralisation Hillgrove Inorganic Growth • Greenfield exploration in SA • Status quo is not aligned with superior Shareholder return in the mid term 8 Corporate snapshot An Australian copper producer Market Statistics Major Shareholders Share price1 Shares on issue Market capitalisation Debt Cash2 Enterprise value $0.029 2,537M $74M Nil $18M $56M Income tax losses3 Franking credits $285M $18M ▪ ▪ ▪ ▪ ▪ ▪ Freepoint Metals & Concentrates 20.0% Ariadne Australia 10.3% Board & Management Derek Carter Bob Fulker Murray Boyte Roger Higgins Joe Sutanto Chair CEO & MD Non-Exec. Director Non-Exec. Director CFO & Co. Sec. Hillgrove owns the Kanmantoo Copper Gold Mine Robust Resource of 19.3Mt at 0.77% Cu and 0.14g/t Au4 Historical production (2010 – 2020): 135kt copper and 55koz gold Generating cash: ramp up commenced in Jan-24, Commercial Production declared in Jul-24, $21 million of Operating Cash Flow generated in 2024 Opportunity to fast-track Nugent development to grow copper production and reduce unit costs in 2026 Appointment of highly regarded executive, Bob Fulker (ex-Evolution Mining and OZ Minerals) Note: Currency is in Australian dollars unless otherwise stated 1. Closing share price on 7 April 2025 2. Cash balance as at 31 December 2024 plus net proceeds from Tranche 1 placement of 13 March 2025 and SPP 3. Carried forward as of 31 December 2024 (estimated, prepared but unsubmitted tax return) 4. Refer to ASX release on 18 October 2024 entitled “Maiden Kanmantoo underground Ore Reserve and 96% increase in copper Mineral Resource endowment” ASX:HGO | Investor Presentation | April 2025 Key Recently relinquished tenements 9 ASX:HGO | Investor Presentation | April 2025 10 Kanmantoo Mineral Resource Mine Area Kavanagh (including Spitfire) North Kavanagh Nugent Emily Star Tonnage (kt) Cu (%) Au (g/t) Ag (g/t) Bi (ppm) Cu Metal (kt) Au Metal (koz) Measured 3,200 0.94 0.04 2.9 190 30 4 Indicated 3,400 0.77 0.10 2.4 97 26 11 Inferred 6,300 0.70 0.11 2.4 110 44 22 Sub-Total 13,000 0.78 0.09 2.5 130 100 37 Measured - - - - - - - Indicated 230 0.78 0.17 3.0 140 2 1 Inferred 110 0.77 0.21 3.3 130 1 1 Sub-Total 340 0.78 0.18 3.1 140 3 2 Measured - - - - - - - Indicated 2,300 0.74 0.36 1.7 66 17 26 Inferred 1,100 0.71 0.35 1.6 40 8 13 Sub-Total 3,400 0.73 0.36 1.6 57 25 39 Measured - - - - - - - Indicated - - - - - - - Inferred 2,600 0.77 0.08 1.6 110 20 7 Sub-Total 2,600 0.77 0.08 1.6 110 20 7 19,300 0.77 0.14 2.2 110 150 82 JORC Classification TOTAL ASX:HGO | Investor Presentation | April 2025 Notes: 1. Due to effects of rounding, total numbers may not sum. 2. Tonnage and metal are rounded to the nearest 1,000 tonnes, grades are rounded to 2 significant figures. 3. Mineral Resource is Reported at a 0.4% Cu Cut Off Grade for all Mine Areas. 4. Mineral Resource is depleted for mining as at 30 June 2024. 5. Mine depletion refers to current Kavanagh UG operation, and historical Giant Pit, Nugent and Emily Star open pits The information is extracted from the report entitled ‘Maiden Kanmantoo Underground Ore Reserve and 96% Increase in Copper Mineral Resource Endowment’ released on 18 October 2024 and is available to view on the Hillgrove Website https://www.hillgroveresources.com.au/announcements. The Company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcement and that all material assumptions and technical parameters underpinning the estimates in the relevant market announcement continue to apply and have not materially changed. The Company confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the original market announcement. 11 Kanmantoo Ore Reserve Mine Area Kavanagh Nugent Total Ore Reserve (Kavanagh + Nugent) JORC Classification Tonnes (kt) Cu (%) Au (ppm) Ag (ppm) Bi(ppm) Cu Metal (kt) Au Metal (koz) Proved 1,100 1.01 0.04 2.82 220 12 1 Probable 1,000 0.88 0.15 2.70 140 9 5 Proved + Probable Kavanagh Total 2,100 0.95 0.09 2.76 180 21 6 Proved - - - - - - - Probable 670 0.76 0.33 1.44 79 5 7 Proved + Probable Nugent Total 670 0.76 0.33 1.44 79 5 7 Proved 1,200 1.01 0.04 2.82 220 12 1 Probable 1,700 0.83 0.22 2.21 110 14 12 Proved + Probable 2,800 0.91 0.15 2.45 160 26 14 Notes: 1. Dry metric tonnes. 2. 0.6% Copper (Cu) design cut-off grade. 3. No Probable Ore Reserve was derived from Measured Mineral Resource. 4. Minimum stope mining width 5.0m apparent. 5. Grades are rounded to two decimal places. Tonnages are rounded to two significant figures. 6. Any minor apparent discrepancies for sums in the table are related to rounding. 7. The period for economic extraction is from Sept 2024 until April 2027. 8. Ore Reserve converted from Mineral Resource is based on the October 2024 Mineral Resource report by Caitlin Rowett (Hillgrove Resources Limited) and Sonia Konopa (ERM) titled “Kavanagh, Nugent & North Kavanagh Underground Mineral Resource Estimate", as at 30th September 2024. 9. Competent Person: Tom Bailey MAusIMM (#206304). 10. Mining has commenced and observed ground conditions have been very good. Further geotechnical investigation is required to increase confidence in the stable mining spans. The information is extracted from the report entitled ‘Maiden Kanmantoo Underground Ore Reserve and 96% Increase in Copper Mineral Resource Endowment’ released on 18 October 2024 and is available to view on the Hillgrove Website https://www.hillgroveresources.com.au/announcements. The Company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcement and that all material assumptions and technical parameters underpinning the estimates in the relevant market announcement continue to apply and have not materially changed. The Company confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the original market announcement. . ASX:HGO | Investor Presentation | April 2025 12 ASX:HGO | Investor Presentation | April 2025 13