Brisbane, Australia – August 28, 2025 – Adyton Resources Corporation (TSX Venture: ADY) ("Adyton" or the "Company") is pleased to report new copper assays and confirm final gold assays from its first three diamond drill holes at the Feni Island gold-copper (Au-Cu) project. The results confirm multiple zones of copper mineralisation complementing previously reported gold intercepts. The Company also provides an update on its ongoing 2025 drilling program.
Highlights
- Hole FDD003 returned strong copper mineralization (complementing previous gold), including:
- 24m @ 0.51% Cu, 5m @ 0.48% Cu, and 12m @ 0.23% Cu;
- The previously reported FDD003 Significant Intercept now has a grade increase to 1.36g/t Au.eq over 81m (for 109.8 gxm), with multiple Significant Intercepts now resulting in FDD003 for a combined 125.9 gxm Au.eq (a 40% upgrade from the initial gold-only 90 gxm);
- Each of the three Feni Island drill holes now report >100 g-m on an AuEq basis;
- The return of copper assays, particularly coherent zones at >0.5% Cu, within gold mineralized intervals (>1g/t Au), are highly encouraging and provide strong potential for a future upgrade to the Mineral Resource Estimate (MRE);
- Since the July 21, 2025 news release, an additional 1,064 meters of drilling have been completed.
Tim Crossley, Chief Executive Officer, stated:
"We are very encouraged that the first three drillholes of this program are all reporting greater than 100 g-m AuEq basis. The addition of the copper assays reinforces our view that the Feni Au-Cu asset contains strong potential for significant copper mineralisation, alongside the previously reported gold."
Dr Chris Bowden, Chief Operating Officer and Chief Geologist, commented:
"To have the results from the first three drillholes from a new drill program all return >100g-m AuEq highlights the geological robustness of the Feni Project. Whilst Feni shares many geological similarities with Lihir, it also contains a significant copper component to the mineralisation, which to date, has never been included in any MRE. This is only the beginning for Feni, and we look forward to keeping the market updated as future gold and copper assay results are received."
Significant Intercepts and Geology
Significant Intercepts for gold and copper assay results have been received to date for the first three drillholes from the Kabang mineralized corridor.
Notes: Interval widths are "apparent" widths downhole, subject to true width determination. Gold equivalent calculated as: Au.eq = (Au g/t + 1.12(Cu %)). FDD002 ended in mineralisation.
Drillhole status notes: FDD008 was abandoned at a shallow depth while still in post-mineral cover due to operational issues, redrilled as FDD009. FDD002 was terminated prematurely due to ground conditions while still in observed visual mineralisation. WGS 84 Zone 56S UTM coordinates.
Quality Assurance / Quality Control
Adyton adheres to industry-recognized standards of Best Practice and Quality Assurance/Quality Control (QA/QC). Drill core samples were submitted in batches to Intertek Laboratory in Lae, which include a field blank, certified reference materials (CRMs) and staged duplicates. Samples were sealed using single-use tie-locks ensuring Chain of Custody. To date, all batches have passed QA/QC, and blanks and CRMs were within acceptable tolerance limits. All drill holes were drilled and sampled predominantly from PQ and/or HQ diameter drill core (noting some drilling and upcoming sampling will be on NQ core). Core recovery is considered to be appropriate.
Feni Island Gold-Copper asset, on-trend location to giant gold +/- copper mines
The Adyton Feni Island Au-Cu project is strategically located on the easily accessible Bismark Islands in PNG. Feni Island is part of the 250km long Tabar-Lihir-Tanga-Feni Island chain, which to the northwest hosts the operating gold mines of Simberi and the giant Lihir mine, while Feni hosts a foundational resource of 1.45moz Au. To the southeast of Feni Island, on Bougainville Island, lies the giant past producing Panguna Cu-Au mine.
For further information please contact:
Tim Crossley, Chief Executive Officer
E-mail: ir@adytonresources.com
Phone: +61 7 3854 2389
Phone: +1 778 549 6768
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