Announcement PDF ASX ANNOUNCEMENT 4 August 2025 ASX: ADD London Victoria Maiden Drilling Campaign Completed • Maiden RC drilling program at the London Victoria Gold Mine completed with 14 holes drilled for a total of 2,060m. • Visual inspection of the drill chips confirms that drilling intersected the target shear zone. • Of the 14 holes drilled, 9 were collared on the flanks of the pit, with the remaining 5 holes collared on the pit floor, targeting shallow extensions of the known gold mineralisation. • Groundsearch have mobilised to site to conduct Downhole Televiewer logging of select holes to enable the Company to better define the structural controls of the mineralisation at London Victoria. Adavale Resources Limited (ASX:ADD) (“Adavale” or the “Company”), an Australian junior explorer focused on gold and copper in the Lachlan Fold Belt of New South Wales, is pleased to announce that the maiden RC drilling program at the London Victoria Mine has been completed. A total of 14 RC holes for 2,060m were drilled successfully intersecting the targeted shear zone. 9 of the 14 holes were drilled from the eastern flank and along the southern strike of the existing pit, with 5 holes drilled from within the pit itself. The samples have been progressively sent to Onsite Laboratory Services in Bendigo with the first batch confirmed to have been received. Groundsearch have mobilised to site and are conducting downhole optical televiewer logging of select holes to provide the Company with detailed structural imaging to better understand and define the controls of the mineralisation at London Victoria. The assay results and structural review will guide future exploration activities at the mine. The primary objective of the initial drilling program at the mine is to increase and potentially upgrade to a higher resource classification, the JORC Inferred Mineral Resource Estimate (MRE) of 115koz Au containing a higher grade estimate of 3.14Mt at 1.06g/t Au for 107koz. Adavale Resources Executive Chairman and CEO, Mr. Allan Ritchie, commented: “The completion of the maiden drilling campaign at London Victoria is a milestone, not just for the Project but for the Company alike. This marks the first standalone drilling campaign at the Project for 28 years and solidifies the transformation of Adavale to a gold explorer and potential developer. Successfully completing the program without incident, on time, within budget and having intersected the target shear zone is a testament to Adavale’s exploration team. Adavale has now sent all samples for assay and is conducting down hole logging of select holes for structural interpretation. Assay results will be released to the market as soon as they are received, while these results and the structural review will be guiding further exploration activities at London Victoria.” Directors & Officers Adavaleresources ALLAN RITCHIE NIC MATICH Executive Chairman & CEO Non-Executive Director DAVID WARD LEONARD MATH Non-Executive Director CFO & Company Secretary www.adavaleresources.com AdavaleL Investors@adavaleresources.com +61 2 8003 6733 Adavale Resources Limited Level 2, 49 Oxford Close West Leederville, WA, 6007 \ Figure 1: Drill Collars of 14 RC holes drilled at London Victoria Mine 2 Next Steps at the Parkes Project Multiple ongoing exploration efforts continue to take place at the Parkes Project simultaneously, with key projects and milestones including: • Exploration Target from London-Victoria: Stemming from the recent JORC 2012 Inferred Mineral Resource Estimate (MRE); expected outlining of a range of potential additional tonnes and grade of the deposit outside of the area of the current MRE. • Further Geochemical Survey Planning: Identification of future targets for geochemical work to take place simultaneously with other activity; Parkvale South becoming a high priority dependent on results of further rock chip sampling. • Further Prospect Reconnaissance: Visits to additional targets being planned for future reconnaissance efforts, including additional areas on No Mistake (EL8830) and an initial visit to The Dish (EL9711), as well as the Northern Areas of Front Gate (EL8831). This announcement is authorised for release by the Board of Adavale Resources Limited. Further information: Allan Ritchie Executive Chairman and CEO Adavale Resources E: investor@adavaleresources.com P: +61 2 9127 9852 Jane Morgan Media and Investor Inquiries Jane Morgan Management E: jm@janemorganmanagement.com.au P: +61(0) 405 555 618 3 Forward Looking Statements Certain statements in this announcement are or may be “forward-looking statements” and represent Adavale’s intentions, projections, expectations, or beliefs concerning among other things, future exploration activities. The projections, estimates and beliefs contained in such forward-looking statements don’t necessarily involve known and unknown risks, uncertainties, and other factors, many of which are beyond the control of Adavale Resources, and which may cause Adavale Resources actual performance in future periods to differ materially from any express or implied estimates or projections. Nothing in this announcement is a promise or representation as to the future. Statements or assumptions in this announcement as to future matters may prove to be incorrect and differences may be material. Adavale Resources does not make any representation or warranty as to the accuracy of such statements or assumptions. ASX Announcement References • 5 May 2025: Maiden JORC Resource at London-Victoria Project • 30 June 2025: High Priotity Drill Targets Pegged at London Victoria Mine 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. 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. Information on the Mineral Resources presented on the London-Victoria deposit is contained in the ASX announcement dated 5 May 2025. Where the Company refers to Mineral Resource in this presentation, it confirms that it is not aware of any new information or data that materially affects the information included in that announcement and all material assumptions and technical parameters underpinning the Mineral Resource estimate with that announcement continue to apply and have not materially changed. The Company confirms that the form and context their with JORC Table 1 in which the Competent Person’s findings are presented have not materially changed from the original announcement. Competent Persons Statement The information in this announcement that relates to Exploration Targets and Exploration Results, is based on information compiled by Barry Willott, who is employed by Desdinova Metals Pty Ltd as consultant to Adavale Resources Ltd. Mr Willott is a Member of The Australian Institute of Geoscientists (AIG) and The Australasian Institute of Mining and Metallurgy (AusIMM). Mr Willott has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and to the activity being undertaken 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 Willott consents to the inclusion in the presentation of the matters based on his information in the form and context in which it appears. 4 Overview of The Parkes Project: A World-Class Geological Setting The Parkes Project comprises five granted exploration licences (EL’s) that cover a total area of ~371.39 km² strategically located within the Macquarie Arc of the Lachlan Fold Belt – a Tier-1 mining jurisdiction. The region hosts world-class operations such as Cadia Ridgeway (35.1Moz Au & 7.9Mt Cu) and Northparkes (5.2Moz Au & 4.4Mt Cu), adjacent and directly west of the Parkes Project. Figure 2: Map of the central New South Wales Lachlan Fold Belt 5 ABOUT ADAVALE RESOURCES Exploring for Gold and Copper in the NSW Lachlan Fold Belt, Uranium in South Australia, and Nickel Sulphide in Tanzania. The Parkes Project Adavale Resources Limited (ASX:ADD) tenements span ~371km2 including 100% of EL9785 and a 72.5% interest in the Parkes Gold and Copper Project, consisting of four granted exploration licences that are highly prospective for Au-Cu, primarily due to their location adjacent the giant Northparkes copper-gold mine and encompassing the Ordovician-aged rocks of the Macquarie Arc, within the crustal-scale structure of the Lachlan Transverse Zone (LTZ) that contain both Northparkes and the world-class Cadia gold-copper Mine. South Australian Uranium Portfolio Adavale also holds 11 granted exploration licences that are prospective for their sedimentary uranium potential. 7 are held within the northern part of the highlyprospective Northern outwash from the Flinders Ranges in South Australia, as well as 4 granted exploration licence east of Ceduna on the Eyre Peninsula, increasing Adavale’s uranium tenement holdings to 4,959km2. The Kabanga Jirani Nickel Project Adavale also holds the Kabanga Jirani Nickel Project, a portfolio of 13 highly prospective granted licences along the East African Nickel belt in Tanzania. The nine southernmost licences are proximal to the world class Kabanga Nickel Deposit (87.6Mt @ 2.63% Ni Eq). Adavale holds 100% of all licences except for two licences that are known as the Luhuma-Farm-in, which are held at 65%, adding a further 99km2 and bringing the portfolio to 1,315km2. Adavale’s licences were selected based on their strong geochemical and geophysical signatures from the previous exploration undertaken by BHP. 6