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Drilling Extends Silver Zone at Elizabeth Hill

In brief · summary, not quotable

Alien Metals Limited announced that its joint venture partner at the Elizabeth Hill Silver Project has received further assay results from diamond drilling, which have extended and defined a broad near-surface silver zone. Significant intersections include 67.1m at 19 g/t Ag from surface, with higher-grade internal zones, and 48.5m at 19 g/t Ag from 1.5m down hole. These results confirm broad zones of silver mineralisation extending west of the current resource estimate and are expected to contribute to an updated Mineral Resource Estimate in Q4 2026, alongside a Scoping Study.

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Alien Metals Limited (AIM: UFO), a minerals exploration and development company, announces that its joint venture partner in the Elizabeth Hill Silver Project ("Elizabeth Hill"), West Coast Silver Limited ("West Coast Silver") (ASX: WCE), has today announced the receipt of further assay results for the Elizabeth Hill North ("EHN") and Elizabeth Hill Deeps ("EH Deeps") diamond drill programmes.

Highlights:

·Diamond drilling intersects 67.1m @ 19 g/t Ag from surface (26WCDD036) in a broad near-surface silver zone extending west of the current Elizabeth Hill Mineral Resource Estimate (MRE) block model 1 , including internal higher-grade zones of:
  • 12.3m @ 22 g/t Ag from 24.7m down hole; and
  • 10.9m @ 24 g/t Ag from 43.9m down hole.
·Further significant intersections ≥10 g/t Ag include:
  • 48.5m @ 19 g/t Ag from 1.5m down hole (26WCDD035), including - 25.5m @ 23 g/t Ag from 16m;
  • 24m @ 14 g/t Ag from 35.5m down hole (26WCDD033), including - 2.7m @ 22 g/t Ag from 35.5m.
·Diamond holes 26WCDD031-036 have infilled and extended the mineralised zone at EHN 2 , confirming broad zones of low to moderate grade silver within, below, north and west of the current MRE block model.
·This near-surface zone is interpreted to sit around the known high-grade silver system, remains open, and has potential to add volume and contained metal to the current MRE.
·At EH Deeps, minor silver mineralisation in 26WCDD030 constrained the northern extent of the newly identified high-grade zone 3 , which remains open to the east and south.
·Final diamond core assays (26WCDD037-39) expected by the end of August 2026.
·Results will feed an updated JORC 2012 MRE in Q4 2026 and the Elizabeth Hill Scoping Study, also commencing Q4 2026.
·Further step-out and infill diamond drilling planned for H2 2026 to follow up H1 successes, advance conversion of Inferred to Indicated resources, and continue defining the new high-grade zone below historical mining.

1 Refer ASX Announcement "Elizabeth Hill - 2.8Moz Silver Mineral Resource Estimate" dated 22 April 2026

2 Refer ASX Announcement "Silver Mineralisation Extended 70m Beyond Maiden Resource and Remains Open" dated 9 June and "Elizabeth Hill high grade silver discovery and near surface mineralisation extension" dated 9 July 2026

3 Refer ASX Announcement "Elizabeth Hill high grade silver discovery and near surface mineralisation extension" dated 9 July 2026

Alien holds a 30% interest in Elizabeth Hill and holds 30.5 million shares in West Coast Silver (representing an approximate 8.7% interest in the issued share capital of West Coast Silver).

The full West Coast Silver announcement can be viewed at: http://www.rns-pdf.londonstockexchange.com/rns/4633Q_1-2026-8-12.pdf

For further information, please visit the Company's website at www.alienmetals.uk or contact:

Alien Metals Limited

Vince Fayad

Strand Hanson (Financial and Nominated Adviser)

James Harris / James Dance / Edward Foulkes

Turner Pope (Broker)

Andy Thacker / Guy McDougall

IFC Advisory (Financial PR and Investor Relations)

Tim Metcalfe / Graham Herring / Zach Cohen

Cleaned text: letterheads, contacts and legal notices removed. View the original announcement ↗ · Company filings. Not investment advice.

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