Adelong Gold Limited (ASX:ADG) reports Comet gold assays and first antimony results from New Trojan

Adelong Gold has provided an update on ongoing diamond drilling at the Lauriston Gold-Antimony Project in Victoria, with diamond drilling assays reported from Comet and first diamond drilling assays reported from New Trojan.

The program forms part of the broader campaign outlined in the Company’s announcement dated 8 October 2025, which detailed the planned 3,000 metre drill program across the Comet and Yankee-Trojan prospects.

Highlights

• AC2502 returned 9.8m @ 2.76g/t Au from 90.9m, including 0.7m @ 27.1g/t Au from 100.0m and 0.6m @ 5.33g/t Au from 91.4m
• AC2504 returned 1.0m @ 3.09g/t Au from 166.6m and 0.8m @ 1.84g/t Au from 146.8m
• AY2608 returned 1.9m @ 0.48% Sb and 0.88g/t Au from 103.3m
• AY2607 returned 0.3m @ 0.67% Sb and 3.80g/t Au from 90.9m
• AY2605 returned 0.7m @ 1.46% Sb and 0.49g/t Au from 96.0m, plus 0.4m @ 1.05g/t Au from 99.8m

Six diamond drillholes have been completed at the Comet prospect for a combined total of 1481.6m, with all holes intersecting the Comet Shear with well-developed arsenic halos, and gold mineralisation is associated with arsenopyrite, pyrite, stibnite, sphalerite and quartz veining within the Comet Shear.

The mineralisation at Comet is hosted by an Ordovician turbidite sequence consisting of shale, mudstone, sandstone and minor granule-quartz conglomerate sediments, which has been folded into a series of north-south-striking concertina folds and regionally forms part of the Fosterville Sub-Domain, east of Bendigo.

It states that the west-dipping shear at Comet, known as the Comet Shear, is associated with gold mineralisation at the prospect.

AC2501 extends the west-dipping Comet Shear down dip by approximately 80m, demonstrating the consistency of the host structure, and AC2502 was observed to contain visible gold within a structurally complex interval containing brecciated and styolitic quartz veins with coarse-grained arsenopyrite, pyrite and trace stibnite.

Adelong Gold Managing Director Ian Holland said,

“These first assays from Comet confirm high-grade gold within the Comet Shear, validating the historic intercepts that drew us to Lauriston. Just as importantly, the first results from New Trojan confirm the gold-antimony association we expected, with the stibnite-rich veining now supported by assay. This is an early-stage, first-phase program; each hole adds to our understanding of a large, structurally controlled system.”

The announcement states that eleven drillholes on a planned twelve have been completed at the Yankee and Trojan prospects for a combined total of 1857.7m, with the final twelfth hole in progress.

At Trojan, diamond drilling to date has intersected a west-dipping shear, very similar in nature to Comet, but with a much stronger antimony association with zones of brecciated quartz infilled by stibnite, and this correlates with strong antimony anomalism in soil sampling that extends approximately 1.2km north of Trojan to the Countess prospect.

The current first-phase diamond drilling program at Lauriston is scheduled to be completed in the coming weeks, and the drill rig will then move to the Apollo Gold and Antimony Project in Victoria’s Melbourne Zone for winter drilling before returning to Lauriston for a follow-up program.

It also states that all drill samples from the current program are being submitted for photon assay to test for coarse gold and that the program remains fully funded.

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