REG - Great Western Mining - Drilling Update

Great Western MiningAnnouncement

21/10/2025 07:00

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RNS Number : 0742E  Great Western Mining Corp. plc  21 October 2025

 

Great Western Mining Corporation PLC / AIM: GWMO / Euronext Growth: 8GW

21 October 2025

GREAT WESTERN MINING CORPORATION PLC

 

("Great Western", "GWM" or the "Company")

 

Drilling Update

 

West Huntoon Drilling Completed; Rhyolite Dome Programme Underway

 

Great Western Mining Corporation PLC, a strategic minerals exploration and
development company, is pleased to announce the successful completion of its
reverse circulation ("RC") drilling programme at the West Huntoon copper
prospect in Mineral County, Nevada and the commencement of drilling at the
highly prospective Rhyolite Dome gold target.

 

The six-hole programme at West Huntoon, the Company's flagship copper asset,
was completed ahead of schedule and without incident, totalling 3,615 feet
(1,102 metres). West Huntoon lies within a richly mineralised valley system
that hosts multiple copper prospects within a 6 km radius, underscoring the
broader potential of this emerging copper district. Samples from all holes are
being dispatched for laboratory assay, with results expected in the coming
weeks.

 

Following completion of the West Huntoon phase, the drill rig has been
mobilised to the high-priority Rhyolite Dome target, a large, previously
undrilled, silica-flooded system displaying strong epithermal indicators at
the Olympic Gold Project. The six-hole programme now underway is designed to
test several shallow anomalies identified by a recent induced polarisation
("IP") geophysical survey and is expected to conclude during October.

 

Brian Hall, Chairman of Great Western Mining, commented: "Our exploration
campaign in the Walker Lane Belt continues to gather real momentum. Completing
the West Huntoon programme represents another significant milestone as we
systematically test a pipeline of highly prospective targets across our Nevada
portfolio. Mobilising immediately to Rhyolite Dome keeps our field operations
moving at pace and we are excited by the potential of this previously
undrilled system. With assay results due in the coming weeks, we look forward
to sharing further progress with shareholders in what promises to be a very
active quarter for the Company."

 

ENDS

 

For further information visit www.greatwesternmining.com or contact:

 

 Great Western Mining Corporation PLC
 Brian Hall, Chairman                                           c/o St Brides
 Max Williams, Finance Director                                 greatwesternmining@stbridespartners.co.uk
 Davy
 Nominated Adviser, Euronext Growth Adviser & Joint Broker
 Brian Garrahy                                                  +353 (0)1 679 6363
 Shard Capital Partners
 Joint Broker
 Andrew Gutmann / Erik Woolgar                                  +44 (0)20 7186 9008
 St Brides Partners
 Financial PR
 Susie Geliher / Isabel de Salis / Will Turner                  greatwesternmining@stbridespartners.co.uk

 

Notes

Great Western Mining Corporation PLC (AIM: GWMO / Euronext Growth: 8GW) is a
diversified exploration and development company focused on strategic minerals
across several 100%-owned claim groups in Mineral County, Nevada, one of the
world's most prolific and mining-friendly jurisdictions. Backed by an
experienced team, the Company is pursuing a multi-commodity strategy targeting
near-term development and longer term exploration while assessing farm-out and
joint venture opportunities to unlock broader portfolio value. As well as its
flagship Huntoon Copper Project, which hosts a JORC-compliant resource of 4.3
Mt at 0.45% Cu, with upside from undrilled porphyry targets, it has a pipeline
of gold, silver, and early-stage tungsten assets aligned with US critical
minerals priorities.

 

 

 

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