AUSGOLD LIMITED — Regulatory Filings 2026

ASX Release

14 April 2026

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Outstanding High-Grade Results Confirm Significant Growth Potential at Katanning Gold Project

Results of up to 41.25g/t Au support potential to grow reserves and extend mineralisation at depth

Highlights:

• Significant intercepts returned from a further 77 reverse circulation (RC) and diamond drill-holes targeting opportunities for grade uplift within the Central Zone of the Katanning Gold Project:

• 11m @ 7.88g/t from 99m including 2m @ 41.25g/t from 100m in BSRC2022

• 21m @ 3.27g/t from 105m including 14m @ 4.69g/t from 110m in BSRC1978

• 11.5m @ 2.07g/t from 150m including 5.3m @ 4.12g/t from 150m in BSDD053

• Wide zones of mineralisation encountered in areas of Inferred Resources[1] beneath the current DFS Update pit design and outside the current Ore Reserve[1] , highlighting strong potential for reserve growth and mine life extension, including:

• 20m @ 1.41g/t from 192m including 3m @ 2.94g/t from 192m and 6m @ 2.34g/t from 203m in BSRC2024

• 13m @ 1.02g/t from 242m including 2m @ 2.60g/t from 246m and 2m @ 2.30g/t from 253m in BSRC1976

• 10m @ 1.27g/t from 258m including 2m @ 3.68g/t from 258m in BSRC2024

• Broad, high-grade intercepts returned from in-fill drilling at the Jinkas and White Dam lodes within the first two years of planned mine life, increasing confidence in grade continuity in the initial phases of the DFS Update mine plan:

• 12m @ 5.55g/t from 37m including 9m @ 7.26g/t from 39m in BSRC1961

• 15m @ 1.98g/t from 16m including 9m @ 3.06g/t from 21m in BSRC1962

• 4m @ 6.37g/t from 37m including 3m @ 8.34g/t from 37m in BSRC1991

• Extensional drilling beneath the current Mineral Resource Estimate[1] along the White Dam–Jackson trends intersected significant mineralisation, reinforcing down-plunge growth potential, including:

• 9m @ 2.64g/t from 165m in BSRC1935

• 12m @ 1.51g/t from 200m including 2m @ 5.39g/t from 200m in BSRC1936

1 For further details, including JORC 2012 and ASX Listing Rule disclosures, refer to ASX announcement of 16 December 2025. The Company confirms that it is not aware of any new information or data that materially affects the information contained in that announcement and that all material assumptions and technical parameters underpinning the estimates in that announcement continue to apply and have not materially changed.

ABN 67 140 164 496 Level 1, 307 Murray Street, Perth WA 6000

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T: 08 9220 9890 F: 08 9220 9820 E: [email protected] W: www.ausgoldlimited.com

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• 46,717m (328 holes) of 54,000m completed to date, with the Company currently awaiting approximately 15,349m of results.

• Drilling along the White Dam-Jackson trend is in progress to follow up recent promising results.

• Drilling completed at Nanicup Bridge to underpin a maiden satellite Resource.

Ausgold Limited (ASX: AUC) ( Ausgold or Company ) is pleased to report assay results from extensional and in-fill drilling within the Central Zone at its 100%-owned Katanning Gold Project ( KGP ) in WA, part of the current 54,000m reverse circulation ( RC ) and diamond drilling ( DD ) campaign.

The drilling campaign is targeting resource growth at the KGP, supporting potential for future reserve conversion, improving confidence in early mine life areas, as well as targeting new discoveries across the Company’s 3,000km[2 ] of regional tenure in the south-west of Western Australia.

Management Comments

Commenting on the drilling results, Ausgold Executive Chairman, John Dorward, said:

“The ongoing drilling campaign continues to deliver exceptional results across multiple fronts at the Katanning Gold Project. The consistency of high-grade results from both in-fill and extensional drilling continues to strengthen the Katanning growth story. With extensions of the mineralisation confirmed beneath the DFS Update pits and outside current reserves, we see a clear opportunity to grow the production base and extend mine life, while simultaneously optimising the early years of production. With regional drilling at Nanicup Bridge now complete, we are looking forward to reporting results from this exciting satellite project along with the balance of results from the KGP.”

Katanning Gold Project

The KGP lies within a major mineralised structural corridor, with exploration to date outlining a 15km trend hosting multi-lode gold mineralisation across three key Resource zones (Figure 1):

• Northern Zone : Datatine deposit.

• Central Zone : Jinkas-White Dam, Jackson and Olympia deposits.

• Southern Zone : Dingo and Lukin deposits.

Drilling Results

RC drilling results reported in this announcement comprise 75 holes for 9,941m completed across the Central Zone, predominantly targeting the Jinkas-White Dam deposits, with the remainder of drilling completed into the footwall Jackson deposit (Figure 2). Two DD holes for 298m were drilled into the Jinkas-White Dam deposits for the purpose of collecting additional metallurgical testwork samples.

A total of 23 RC in-fill holes for 3,522m were drilled primarily into the Jinkas-White Dam deposit, with the purpose of converting Inferred Resources to Indicated status beneath the DFS pits, supporting potential

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for future reserve growth, and targeting areas of the resource with the potential to enhance grade and improve local estimation confidence. Significant intercepts from this drilling include:

• 11m @ 7.88g/t from 99m including 2m @ 41.25g/t from 100m in BSRC2022

• 21m @ 3.27g/t from 105m including 14m @ 4.69g/t from 110m in BSRC1978

• 20m @ 1.41g/t from 192m including 3m @ 2.94g/t from 192m and 6m @ 2.34g/t from 203m in BSRC2024 (Figure 3)

• 11.5m @ 2.07g/t from 150m including 5.3m @ 4.12g/t from 150m in BSDD053

• 17m @ 0.85g/t from 104m including 3m @ 2.18g/t from 116m in BSRC1977

• 5.0m @ 2.89g/t from 232m in BSRC2022

• 13m @ 1.02g/t from 242m including 2.0m @ 2.60g/t from 246m and 2.0m @ 2.30g/t from 253m in BSRC1976

• 10m @ 1.27g/t from 258m including 2m @ 3.68g/t from 258m in BSRC2024

These results increase confidence in the potential for Resource-to-Reserve conversion in the primary Jinkas Pit, as well as potential to increase grade across the greater Jinkas-White Dam deposit.

A total of 38 in-fill RC and diamond drill holes for 2,407m were drilled into the Jinkas-White Dam deposit for the purpose of upgrading the first two years of the mine plan to measured classification, supporting early production confidence. Significant intercepts from this drilling include:

• 12m @ 5.55g/t from 37m including 9m @ 7.26g/t from 39m in BSRC1961 (Figure 4)

• 1m @ 76.00g/t from 18m in BSRC2021

• 15m @ 1.98g/t from 16m including 9m @ 3.06g/t from 21m in BSRC1962 (Figure 4)

• 4m @ 6.37g/t from 37m including 3m @ 8.34g/t from 37m in BSRC1991

• 11m @ 1.80g/t from 4m including 6m @ 2.95g/t from 6m in BSRC1998

• 7m @ 2.59g/t from 64m including 3m @ 5.64g/t from 66m in BSRC1979

• 3m @ 3.04g/t from 6m in BSRC1980

These results highlight consistent, high-grade mineralisation within the early years of the mine plan and support the upgrade to measured classification, providing increased confidence in early production and cash flow.

Grade reconciliation from in-fill drilling provides strong support for the existing geological and grade models, with most results either in line with or exceeding expectations, reinforcing confidence in the Mineral Resource Estimate.

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A total of 16 RC holes for 4,310m were drilled to test mineralisation beyond the current 2.44Moz Mineral Resource[2] envelope, successfully extending mineralisation across all major Central Zone deposits and delivering the following significant results:

• 9m @ 2.64g/t from 165m in BSRC1935 (White Dam-Jackson) (Figure 5)

• 12m @ 1.51g/t from 200m including 2m @ 5.39g/t from 200m in BSRC1936 (White Dam-Jackson)

• 3m @ 2.95g/t from 119m in BSRC1973 (White Dam-Jackson)

• 7.0m @ 1.09g/t from 148m in BSRC2006 (Jinkas)

• 11.0m @ 0.70g/t from 183m in BSRC2016 (Jinkas)

• 8m @ 0.89g/t from 222m in BSRC2016 (Jinkas)

The results from the White Dam-Jackson lodes are particularly exciting, as the results indicate the emergence of a down-plunge repetition of the White Dam lode over a 620m strike length beneath the existing Resource (Figure 6).

The White Dam-Jackson lodes remain shallowly tested compared to the Jinkas lodes, with RC drilling continuing along the White Dam-Jackson Trend.

Further Work

• Initial RC drilling to extend the primary Jinkas lode down-plunge is complete, with assays pending. EIS-supported diamond drilling to test further down-plunge extensions, including modelled EM plate targets, is scheduled to commence imminently (Figure 7).

• Further down-dip opportunities at Jinkas have been identified with RC drilling scheduled to commence in late April (Figure 7).

• Diamond drilling at Datatine, targeting in-fill and potential extensions of high-grade mineralisation, is complete, with core to be dispatched for analysis late April.

• Drilling at Jackson and White Dam is currently in progress, with programs designed to follow up on promising results beneath the current Resource reported in this announcement (Figure 5-6).

• RC drilling at Nanicup Bridge is complete, with assays pending from Resource-focused drilling aimed at expanding the Company’s growth beyond the KGP.

• RC drilling at early-stage regional targets Moulyinning and Kulin is scheduled to commence in late April.

2 For further details, including JORC 2012 and ASX Listing Rule disclosures, refer to ASX announcement of 16 December 2025. The Company confirms that it is not aware of any new information or data that materially affects the information contained in that announcement and that all material assumptions and technical parameters underpinning the estimates in that announcement continue to apply and have not materially changed. See Appendix 1 for a breakdown of Mineral Resource Estimate and Ore Reserve categories.

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Figure 1 – Plan map of the Katanning Gold Project with the Resource Block Model, $A4,500 pit outline, an inset (Figure 2) of area of drilling results and current granted tenements

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Figure 2 – Geological map of the Central Zone displaying new drilling relative to the DFS (including end of year 2) and A$4,500 pit outlines, with location of cross-sections labelled

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Figure 3 – Cross-section A-A’ across the Jinkas-White Dam Lodes with Resource Drilling and Pits

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Figure 4 – Cross-section B-B’ across the Jinkas Lodes with Resource Drilling and End of Year 2 Pit

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Figure 5 –Cross-section C-C’ across the White Dam-Jackson Lodes with Resource Drilling and Pit

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Figure 6 – White Dam trend long-section looking WSW displaying gram-metre contours (0.3g/t Au cut-off), pierce points of existing drilling, DHEM plates, pit optimisation (A$4,500 Resource constraint) and zones of ongoing drilling

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Figure 7 – Jinkas trend long-section looking WSW displaying gram-metre contours (0.3g/t Au cut-off), pierce points of existing drilling, DHEM plates, pit optimisation (A$4,500 Resource constraint) and zones of ongoing Jinkas Resource extension drilling.

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Table 1 – Significant intercepts

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Notes to Table 1 .

For RC drill assay results the intervals reported are thickness-weighted averages (i.e. XXm grading XX grams per tonne gold content). Reported intervals are calculated using ≥ 0.3g/t Au cut-off grade and using a ≤ 2m minimum internal dilution. All ‘included’ intervals are calculated using >1.0g/t Au cutoff and using a ≤ 2m minimum internal dilution.

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Table 2 – Collar Locations

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The Board of Directors of Ausgold Limited approved this announcement for release to the ASX.

For further information please visit Ausgold’s website or contact:

Competent Person’s Statement

The information in this announcement that relates to exploration drill results is based on and fairly represents information and supporting documentation compiled by Mr Graham Conner, who is an employee of Ausgold Limited and a Member of The Australian Institute of Geoscientists. Mr Conner takes responsibility for the integrity of the exploration results published herein, including sampling, assaying, QA/QC and the preparation of geological interpretations. Mr Conner has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration, and to the activities being undertaken, to qualify as a Competent Person under The Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (JORC Code, 2012 edition). The Competent Person consents to the inclusion of such information in this report in the form and context in which it appears.

Forward-Looking Statements

This Announcement includes “forward-looking statements” as that term within the meaning of securities laws of applicable jurisdictions. Forward-looking statements involve known and unknown risks, uncertainties and other factors that are in some cases beyond Ausgold Limited’s control. These forward-looking statements include, but are not limited to, all statements other than statements of historical facts contained in this presentation, including, without limitation, those regarding Ausgold Limited’s future expectations. Readers can identify forward-looking statements by terminology such as “aim,” “anticipate,” “assume,” “believe,” “continue,” “could,” “estimate,” “expect,” “forecast,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “risk,” “should,” “will” or “would” and other similar expressions. Risks, uncertainties and other factors may cause Ausgold Limited’s actual results, performance, production or achievements to differ materially from those expressed or implied by the forward-looking statements (and from past results, performance or achievements). These factors include, but are not limited to, the failure to complete and commission the mine facilities, processing plant and related infrastructure in the time frame and within estimated costs currently planned; variations in global demand and price for coal and base metal materials; fluctuations in exchange rates between the U.S. Dollar, and the Australian dollar; the failure of Ausgold Limited’s suppliers, service providers and partners to fulfil their obligations under construction, supply and other agreements; unforeseen geological, physical or meteorological conditions, natural disasters or cyclones; changes in the regulatory environment, industrial disputes, labour shortages, political and other factors; the inability to obtain additional financing, if required, on commercially suitable terms; and global and regional economic conditions. Readers are cautioned not to place undue reliance on forward-looking statements. The information concerning possible production in this announcement is not intended to be a forecast. They are internally generated goals set by the board of directors of Ausgold Limited. The ability of the company to achieve any targets will be largely determined by the company’s ability to secure adequate funding, implement mining plans, resolve logistical issues associated with mining and enter into any necessary off take arrangements with reputable third parties. Although Ausgold Limited believes that its expectations reflected in these forward-looking statements are reasonable, such statements involve risks and uncertainties and no assurance can be given that actual results will be consistent with these forward-looking statements.

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Appendix 1: Mineral Resource Estimate and Ore Reserve[3]

December 2025 Mineral Resource Estimate

December 2025 Ore Reserve

3 For further details refer to ASX Announcement dated 16 December 2025. The Company confirms that it is not aware of any new information or data that materially affects the information contained in that announcement and that all material assumptions and technical parameters underpinning the estimates in that announcement continue to apply and have not materially changed.

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Appendix 2: Table 1

Section 1 Sampling Techniques and Data

(Criteria in this section apply to all succeeding sections.)

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Section 2 Reporting of Exploration Results

(Criteria listed in the preceding section also apply to this section.)

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