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A Framework for Growth and Development ASX: AGC 14 October 2026 Lake Cargelligo NSW Discover, Nurture, Enhance
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2 Capital Structure Date 13 October 2026 Cash $7 million (31 July 2026) Shares on Issue 332 million Market Capitalisation ca$40 million Options 7.5m ($0.48 strike price) Performance Rights 11.5m 48.0 2.8 49.2 Shareholders % GeoZen Resources Directors (Other) Retail & Funds Top 20 (70%) Introduction & Overview Who are AGC? We are: Broker Coverage -A silver-gold base-metal explorer - drilling out a second deposit to increase our declared initial 38.5M oz AgEq MRE -Executing on a clear pathway to build a major, east coast, precious metal company -Well funded -Located in the Cobar mining district & 100km west of Cowal Gold Mine (ASX:EVN) – with skilled local population and supportive local governments 1 2 3 4
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3 Junee Gold Project Gold-focused targets at Junee NSW, extending AGC’s position in the world-renowned Lachlan Fold Belt 7 data-rich, drill-ready targets with immediate gold-copper discovery potential, enhancing the pathway to resource growth as well as AGC’s long-term strategy to transition from explorer to multi-asset developer. High-grade intersections include ten exceeding 100 gram/metres: 64m @ 13.5 g/t Au from 50m (D86-52A) 39m @ 5.2 g/t Au from 100m (D87-110) 73m @ 2.5 g/t Au from 57m (D86-80) Extensive drill permitting submitted across six different gold targets Drilling scheduled to commence in coming months +$10 million in historical exploration expenditure by major companies including Freeport-McMoRan and Newmont with New South as JV operator 1 2 3 4 ASX AGC Release 4 June 2026 5
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4 Q2 2026 Q3 2026 Q4 2026 Toroonga Aircore Drilling Targeting a new discovery Achilles Drilling Targeting depth extents of the high-grade north pod 2,000m Junee RC Drilling Maiden drilling Evergreen DD/RC Drilling Towards an initial MRE 8,000m Executing Plan for Significant Inventory Growth (Complete pending results) Evergreen (Underway) Achilles (Complete) Drilling Q1 2027 Declaring Initial MRE Work Plan Evergreen 8,000m DD/RC program underway Achilles Depth extensions completed Tooronga AC completed, pending results Junee maiden drilling targeting gold discovery upcoming Updating Achilles Resource Declaring initial Evergreen Resource Updated MRE Upcoming Conferences Gold Events, Sydney, 13-15 October Ignite, Hong Kong, 7-8 April 2027 Targeting oxide Au Large surface geochemistry program Geochem & geophysics
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South Cobar Project 5 Mature mines in the north, dating back to 1870, CSA is 3rd highest grade copper mine globally Strong discovery potential, Five New Drill TargetsSouth Cobar Project 1 ASX AMI 31 May 2023 Investor Presentation – Federation Financing & Equity Update 2ASX POL 24 June 2025 3ASX PEX 12 February 2026 The Cobar Superbasin AGC’s high-grade near surface Achilles discovery has validated the South Cobar District Recent success stories, ASX AMI Federation1, ASX:POL Polymetals Endeavor mine restart2, ASX:PEX takeover by ASX:AIS3 AGC is leading belt scale systematic exploration and making new discoveries 32.9g/t Au, 1,490g/t Ag, 1.4% Cu, 27.8% Pb+Zn 216.1-217.0m A3RCD086 “We are systematically delineating a previously under-explored domain within a mature mining belt.” Achilles Browns - Evergreen
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South Cobar Project 6 Achilles Gold-Silver Deposit A New Shallow Greenfields Discovery ASX AGC Release 15 July 2026 In April 2024, we identified a shallow, silver–gold dominant mineralised body extending approximately 750m in strike, dipping ~50° to the east. Across 2024 and 2025, 10,800 m of drilling underpinned an initial JORC Mineral Resource Estimate, released in December 2025. Subsequent drilling not included in the MRE has returned strong silver- equivalent intercepts, including: 6m at 2,474 g/t AgEq from 212.65 m (A3RCD086)
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South Cobar Project 7 Achilles Gold-Silver Deposit “Initial” Mineral Resource Estimate (MRE) 16 December 2025 A high-quality initial Mineral Resource, with 58% of AgEq ounces in the Indicated category Indicated Resources 5.0Mt at 141g/t AgEq for 22.5Moz AgEq Inferred Resources 5.3Mt at 93g/t AgEq for 16.0 Moz AgEq Shallow Resources “Open pit” Resources 7.9Mt at 114g/t AgEq for 28.7 Moz AgEq “Underground” Resources 2.4Mt at 125g/t AgEq for 9.8Moz AgEq “open pit” cutoff grade of 40g/t AgEq to 0mRL, “underground” cutoff grade of 80g/t AgEq ASX AGC Release 16 December 2025 Discovery cost of less than A$0.14 per ounce of silver-equivalent 10.3Mt at 116g/t AgEq for 38.5Moz AgEq Location of 2026 resource extension drilling
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South Cobar Project 8 Achilles Gold-Silver Deposit High-grade mineralisation from surface to 540m and 250m below MRE 6m at 11.0g/t Au, 942g/t Ag, 0.8% Cu & 17.9% Pb+Zn; 2,474g/t AgEq from 212.65m Massive zinc-sphalerite A3RCD086 ASX AGC Release 15 July 2026 ASX AGC Release 1 December 2025 New resource extension drilling targeting a near term resource upgrade with mineralisation now confirmed to over 540m down dip depth
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South Cobar Project 9 AGC Consolidates entire South Cobar Basin Browns – Evergreen Deposit ASX AGC Release 7 August 2025 Belt Scale Consolidation In 2025, we completed two value- accretive acquisitions, establishing a dominant landholding position across the belt. Total consideration: $1.9 million. This included the 6.5 km long Browns– Evergreen silver–gold–base metal system, originally discovered in the 1970s, with approximately 25 km of historic drilling; no JORC-compliant resource has been declared. AGC drilling aimed at supporting an initial Mineral Resource Estimate at the Evergreen silver–gold–base metal deposit in 2026.
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South Cobar Project 10 Belt Scale Consolidation ASX AGC Release 7 August 2025 Browns–Evergreen has delivered strong silver, gold and base-metal drill intercepts and defined multiple high-quality drill targets; AGC is on track to deliver initial JORC-compliant resource See details on next slide
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South Cobar Project 11 Evergreen Delivering Results Evergreen is delivering strong silver, gold and base-metal drill intercepts and has many holes pending assays AGC is on track to deliver a substantial initial JORC-compliant resource AGC ASX 15 June 2026, 1 Sept 2026, 2 Sept 2026
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12 Evergreen Browns Reef Windmill Dam Thank You
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13 The AGC Leadership Team Glen Diemar Managing Director Early-stage discoveries focused Geologist in NSW mineral systems. Passionate and persistent. Lead the discovery of the Achilles deposit, NSW. Previous roles including BHP Billiton, Indonesia, Kyrgyzstan, and most recently was CEO of successful private explorer, New South Resources PL, negotiating and operating JV’s with Freeport and Newmont and was responsible for identifying and developing the projects vended into AGC Ltd. He holds BSc honors in geochemistry and a Masters of Economic Geology and is a member of the AIG. Adam McKinnon Non-Executive Director Adam is an experienced mining and geoscience professional with a proven track record in the Cobar Basin of NSW as Ex-General Manager – Exploration and Business Development at Aurelia Metals Ltd, where he was involved in several significant discoveries including the high-grade Federation deposit. With KBL Mining, Adam led the exploration of the discovery of the Pearse Au-Ag deposit near the Mineral Hill Mine. Adam is currently MD of Advance Metals Limited and holds a PhD in mineralogy and geochemistry, is a Chartered Chemist and a member of the AusIMM. Rowan Caren Chief Financial Officer & Company Secretary Mr. Caren holds a Bachelor of Commerce and is a Chartered Accountant (CA ANZ). He is a highly experienced mining executive with a focus on finance, governance, strategic development, capital markets, and operational execution. With over three decades in the industry, he has played a key managerial and leadership role in significant resources projects across Australia and Southeast Asia. His appointment supports AGC’s growth strategy at the South Cobar Project in NSW. Limiting Corporate Overheads No corporate headquarters Regional exploration office Allowing more shareholder funds spent in the ground Mr Zhang Yong Chairman Founder of GeoZen Mining Group Corporation Ltd and AGC’s largest shareholder Pan (Joe) Yang Non-Executive Director Mr Yang brings considerable experience in strategy, finance, M&A, construction and operations having previous high-level roles for the China National Chemical Corporation, a Fortune 500 company. He oversaw the construction and management of several major factories in both China and England, where he spent three years in London. Mr Yang is currently the CEO of GeoZen Resources, who made a significant investment in AGC in December 2023 and participated pro-rata in the 2024 placement to maintain their 55% holding in AGC. Mr Yang holds a PhD in chemical engineering from the Beijing University of Chemical Technology. 1 Year Chart
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14 14 Conclusions Jurisdiction Team Portfolio Of Advanced Exploration Projects Well Funded For Discovery World class polymetallic mining district Track record of success Capable of hosting multi-million oz discoveries Strong drilling focus
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15 Achilles Mineral Resource Estimate Location Category Cutoff Mt AgEq g/t Ag g/t Au g/t Zn % Pb % Moz AgEq Open pit Indicated 40 4.7 141 52 0.48 1.0 0.83 21.5 Open pit Inferred 40 3.2 72 31 0.26 0.4 0.26 7.3 Underground Indicated 80 0.3 130 62 0.32 0.9 0.54 1.1 Underground Inferred 80 2.2 124 74 0.31 0.4 0.29 8.8 Combined All 40-80 10.3 116 51 0.37 0.7 0.53 38.5 Table 1: Achilles Mineral Resource Estimate (AGC ASX 16 December 2025). Table 2: Mineral Resource Estimate reported by open pit oxide, transition and sulphide and underground sulphide categories (AGC ASX 16 December 2025). Location Category Cutoff Mt AgEq g/t Ag g/t Au g/t Zn % Pb % Moz AgEq Open pit Oxide 40 0.8 81 24 0.49 0.1 0.3 2.0 Open pit Transition 40 0.9 113 40 0.64 0.1 1.1 3.3 Open pit Sulphide 40 6.2 118 47 0.34 0.9 0.6 23.5 Underground Sulphide 80 2.4 125 73 0.31 0.5 0.3 9.8 Total Total 40-80 10.3 116 51 0.37 0.7 0.5 38.5 The preceding statements of Mineral Resources conform to the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (JORC Code) 2012 Edition. The information in this announcement that relates to the current Mineral Resources for Achilles has been extracted from the ASX release by AGC entitled “Amendment to Initial Mineral Resource Estimate for Achilles Containing 38.5Moz Silver-Equivalent” dated 16 December 2025, available at www.austgoldcopper.com.au and www.asx.com.au (“AGC MRE Announcement”). AGC confirms that it is not aware of any new information or data that materially affects the information included in the AGC MRE Announcement in relation to estimates of Mineral Resources and that all material assumptions and technical parameters underpinning the estimates continue to apply and have not materially changed. AGC confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the announcement. Due to rounding to appropriate significant figures minor discrepancies may occur. Achilles’ reported silver equivalent (AgEq) is consistent with the AGC MRE Announcement and is based on the following assumptions: AgEq = Ag (g/t) + 92.6 x Au (g/t) + 21.8 x Pb (%) + 32.1 x Zn (%), where: silver price is US$35/oz and recovery is 83%, gold price is US$3300/oz and recovery is 90%, lead price is US$1,950/t and recovery is 92% and zinc price is US$2,800/t and recovery is 95%.In the Company’s opinion, the silver, gold, zinc, lead included in the metal equivalent calculations have a reasonable potential to be recovered and sold.
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16 Achilles Mineral Resource Estimate 13.88 11.85 10.26 9.02 7.87 5.97 4.61 3.66 3.02 2.59 2.2877 86 95 104 114 135 159 184 207 227 245 50 75 100 125 150 175 200 225 250 0.00 2.50 5.00 7.50 10.00 12.50 15.00 17.50 20.00 20 30 40 50 60 70 80 90 100 Average Grade (g/t AgEq) Tonnage (Mt) Cut-off Grade (g/t AgEq)Mt AgEq Grade 7.15 6.35 5.69 4.52 3.65 2.99 2.45 2.00 1.61 0.95 0.49 75 81 86 97 106 116 125 133 143 165 191 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 30 40 50 60 70 80 90 100 110 120 130 140 150 Average Grade (g/t AgEq) Tonnage (Mt) Cut-off Grade (g/t AgEq)Mt AgEq Grade Grade Tonnage Graphs Open pit grade tonnage graph where 40g/t AgEq cut off was used Underground grade tonnage graph where 80g/t AgEq cut off was used AGC ASX 16 December 2025
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17 Disclaimer and Compliance Statement This presentation has been prepared by Australian Gold and Copper Ltd (“AGC”). The information contained in this presentation is a professional opinion only and is given in good faith. Certain information in this document has been derived from third partie s and though AGC has no reason to believe that it is not accurate, reliable or complete, it has not been independently audited or verified by AGC. This presentation is for information purposes only. It has been prepared for the purpose of providing general information ab out AGC It should not be considered as an offer, invitation, solicitation or recommendation to subscribe for or purchase any securities in AGC in any jurisdiction. It is not recommended that any person makes an investment decision in relation to AGC in reliance on this presentation material. This presentation does not constitute financial product advice and has been prepared without taking into account the recipient's investment objectives, financial circumstances or particular needs and the opinions and recommendations in this presentation are not int ended to represent recommendations of particular investments to particular persons. Recipients should seek professional advice when de ciding if an investment is appropriate. All securities transactions involve risks, which include (among others) the risk of adverse or unanticipated market, financial or political developments. This presentation contains forecasts and forward-looking statements. Such statements are predictions only based on available dat a which may be unreliable and is subject to inherent risks and uncertainties. Investors are cautioned that forward-looking statements are not guarantees of future performance and accordingly investors are cautioned not to put undue reliance on forward-looking statements due to the inherent uncertainty therein, which could cause actual values, results, performances or achievements to differ materially from those e xpressed, implied or projected in this presentation. This overview does not purport to be all-inclusive or to contain all information which its recipients may require in order to make an informed assessment of the project prospects. Each of AGC, its officers, employees and advisers expressly disclaims any responsibility for the accuracy or completeness of the material contained in this presentation and excludes all liability, direct, indirect or consequential for any loss or damage which may be suffered by any person as a consequence of any information in this presentation or any error or omission there from. AGC accepts no responsibility to update any person regarding any inaccuracy, omission or change in information in this presentati on. COMPETENT PERSONS STATEMENT The information in this document that relates to Exploration Results, Mineral Resources or Ore Reserves is based on information compiled by Mr Glen Diemar who is a member of the Australian Institute of Geoscientists. Mr Diemar is a full-time employee of AGC, and has associated shareholdings in AGC, however Mr Diemar believes these shareholdings do not create a conflict of interest, and Mr Diemar has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking to qualify as a Competent Person as defined in the 2012 Edition of the “Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves”. Mr Diemar consents to the inclusion in this presentation of the matters based on his information in the form and context in which it appears. The references to any historical exploration results are disclosed in the prospectus, the references and in the Geological Survey of NSW, DIGS file database, and are not pursuant to the JORC 2012 Edition. Mr Diemar confirms that any historical exploration results set out in this document are an accurate representation of the available data and studies for the project owned by AGC. The information in this report that relates to Mineral Resource Estimates is based on and fairly represents information and s upporting documentation compiled by Mr Arnold van der Heyden who is a Director of H & S Consultants Pty Limited. Mr van der Heyden is a member and Chartered Professional (Geology) of the Australian Institute of Mining and Metallurgy and has sufficient experience that is r elevant to the style of mineralisation and type of deposit under consideration, and to the activity being undertaken, to qualify as a Competent Perso n as defined in the 2012 edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’ (JORC code). Mr van der Heyden consents to the inclusion in this report of the matters based on the information in the form and context in which it appears. The preceding statements of Mineral Resources conform to the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (JORC Code) 2012 Edition. The information in this announcement that relates to the current Mineral Resources for Achilles has been extracted from the ASX release by AGC entitled “Amendment to Initial Mineral Resource Estimate for Achilles Containing 38.5Moz Silver - Equivalent” dated 16 December 2025, available at www.austgoldcopper.com.au and www.asx.com.au (“AGC MRE Announcement”). AGC confirms that it is not aware of any new information or data that materially affects the information included in the AGC MRE Announcement in relation to estimates of Mineral Resources and that all material assumptions and technical parameters underpinning the est imates continue to apply and have not materially changed. AGC confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the announcement. Due to rounding to appropriate significant figures minor discrepanci es may occur. Achilles’ reported silver equivalent (AgEq) is consistent with the AGC MRE Announcement and is based on the following assumpt ions: AgEq = Ag (g/t) + 92.6 x Au (g/t) + 21.8 x Pb (%) + 32.1 x Zn (%), where: silver price is US$35/oz and recovery is 83%, gold price is U S$3300/oz and recovery is 90%, lead price is US$1,950/t and recovery is 92% and zinc price is US$2,800/t and recovery is 95%.In the Company ’s opinion, the silver, gold, zinc, lead included in the metal equivalent calculations have a reasonable potential to be recovered and sold. FORWARD LOOKING STATEMENTS This release contains certain forward-looking statements and forecasts, including possible or assumed reserves and resources, production levels and rates, costs, prices, future performance or potential growth of AGC, industry growth or other trend projections. Often, but not always, forward looking statements can generally be identified by the use of forward looking words such as “may”, “will”, “except”, “ intend”, “plan”, “estimate”, “anticipate”, ”continue”, and “guidance”, or other similar words and may include, without limitation, statements regarding plans, strategies and objectives of management, anticipated production and expected costs. Indications of, and guidance on future ea rnings, cash flows, costs, financial position and performance are also forward-looking statements. Forward looking statements, opinions and estimates included in this announcement are based on assumptions and contingencies w hich are subject to change, without notice, as are statements about market and industry trends, which are based on interpretation of current market conditions. Forward looking statements are provided as a general guide only. Such statements are not a guarantee of future p erformance and involve unknown risks and uncertainties, as well as other factors which are beyond the control of AGC. Actual results and developments may differ materially from those expressed or implied by these forward-looking statements depending on a variety of factors. Nothing in this report should be construed as either an offer to sell or a solicitation of an offer to buy or sell securities. IMPORTANT NOTICE This presentation does not constitute an offer to acquire or sell or a solicitation of an offer to sell or purchase any securities in any jurisdiction. In particular, this presentation does not constitute an offer, solicitation or sale to any U.S. person or in the United States or any state or jurisdiction in which such an offer, tender offer, solicitation or sale would be unlawful. The Company confirms that it is not aware of any new information or data that materially affects the information in the relev ant ASX releases and the form and context of the announcement has not materially changed. The Company confirms that the form and context in wh ich the Competent Persons findings are presented have not been materially modified from the prospectus and the relevant ASX releases. For further details, refer to the AGC IPO Prospectus and ASX Announcements (ASX:AGC) which are available on the Company website www.austgoldcopper.com.au This presentation has been approved for release by Glen Diemar, Managing Director of Australian Gold and Copper Ltd.
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18 References The information contained within this Presentation is extracted from the following reports titled: AGC ASX 23 April 2024, New discoveries at Achilles and Hilltop AGC ASX 15 May 2024, Achilles delivers outstanding gold and silver results AGC ASX 16 May 2024, Achilles additional gold result from hole A3RC031 AGC ASX 4 June 2024, Achilles final silver result from hole A3RC030 AGC ASX 17 June 2024, Achilles returns widest high-grade zone to date AGC ASX 10 July 2024, Extensive exploration campaign underway at Achilles AGC ASX 5 August 2024, Achilles interim exploration update AGC ASX 17 October 2024, High grade silver gold base-metal mineralisation at Achilles AGC ASX 13 November 2024, First core drilling confirms high-grade at Achilles AGC ASX 18 December 2024, Achilles Returns up to 2.9 kilograms per tonne Silver AGC ASX 23 December 2024, High res. drone geophysics survey highlights new exploration potential AGC ASX 4 January 2025, Emerging Copper Search Space AGC ASX 29 January 2025, Strong silver results extend Achilles strike length AGC ASX 4 February 2025, Emerging Copper Search Space AGC ASX 7 April 2025, New Drilling Highlights Near-Surface Gold Potential at Achilles AGC ASX 28 April 2025, Initial Aircore Results Extend Achilles Footprint By At Least 1.2km AGC ASX 5 June 2025, Aircore Drilling Highlights Significant Gold-Silver Trend AGC ASX 10 June 2025, New Acquisition to Give Belt-Scale Control of South Cobar AGC ASX 1 July 2025, Presentation - Mining News Select Conference AGC ASX 5 August 2025, New Acquisition Further Expands AGC Footprint in South Cobar AGC ASX 7 August 2025, Metallurgical Tests Highlight Robust Recoveries at Achilles AGC ASX 11 August 2025, Strong Results in RC Drilling in Southern Part of Achilles Deposit AGC ASX 3 September 2025, Oxide Gold Results Strengthen Achilles Fundamentals AGC ASX 13 October 2025, High Grage Ag and Au Mineralisation Extended at Achilles AGC ASX 17 November 2025, Drilling Unlocks Potential Along 6km of Achilles Shear Zone AGC ASX 19 November 2025, Significant Au-Ag results highlight near surface potential AGC ASX 1 December 2025, Achilles northern zone delivers exceptional grades AGC ASX 11 December 2025, Initial Mineral Resource Estimate for Achilles 38.5 Moz AgEq AGC ASX 16 December 2025, Initial Mineral Resource Estimate for Achilles 38.5 Moz AgEq - Amended AGC ASX 19 January 2026, Exceptional silver gold grades -Resource upside potential AGC ASX 27 January 2026, Deep hole at Achilles yields excellent silver gold results AGC ASX 29 April 2026, Step out drilling underway at Achilles AGC ASX 19 May 2026, Semi-massive copper-bearing sulfide zone at Evergreen AGC ASX 4 June 2026, Acquisition of Junee Gold Project – Amendment AGC ASX 15 June 2026, Evergreen delivers significant copper and gold Results AGC ASX 7 July 2026, Drilling confirms Achilles remains open beyond 400m depth AGC ASX 15 July 2026, Deepest Hole at Achilles extends high grade mineralisation to at least 540m down dip from surface AGC ASX 28 August 2026, Evergreen Drilling Results Confirm Broad Mineralisation AGC ASX 1 September 2026, New Western Gold-Silver Zone Discovered at Evergreen AGC ASX 2 September 2026, High Grade Discovery Confirmed with Exceptional Results AGC ASX 23 September 2026, Strong Zinc-Gold Mineralisation Defines Northern Evergreen AGC ASX 13 October 2026, Shallow High-Grade Gold-Silver Results Extend Evergreen Discovery which are available to view on www.austgoldcopper.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 document/announcement and the Company confirms that the form and context in which the Competent Person’s findings are presented have not materially modified from the original market announcement. For further details please contact: Glen Diemar, Managing Director +61 434 827 965 gdiemar@austgoldcopper.com.au Australian Gold and Copper Ltd 14 Edward St Orange NSW 2800 ACN 633 936 526 Phone (02) 6362 0716 Email info@austgoldcopper.com.au www.austgoldcopper.com.au