Successful Processing Trial

7 November 2025

Tungsten West Plc

("Tungsten West", the "Company" or the "Group")

Successful Processing Trial

Tungsten West (LON:TUN), the mining company focused on restarting production at the Hemerdon tungsten and tin mine ("Hemerdon" or the "Project") in Devon, UK, is pleased to report positive progress from the ongoing processing trial at Hemerdon.

The trial is being undertaken as part of a programme focused on testing and optimising the performance of key sections of the mineral processing facility. The programme forms part of the Company's approach to de-risking operations and gathering technical data essential for the planned restart of full-scale production.

As part of the trial programme, the Company has generated its first trial tungsten concentrate.

Jeff Court, CEO of Tungsten West, commented:

"The progress we are making in this processing trial is an important milestone in restarting operations at Hemerdon and provides confidence to our neighbours, the Environment Agency, our investors and off-takers that we are moving towards production. We have ensured that all activities throughout this trial have been conducted to high environmental and operational standards.

"As the need for a diversified source of tungsten intensifies, Hemerdon becomes an even more important strategic asset."

Tungsten West team at the Hemerdon Mineral Processing Facility with trial tungsten concentrate.

Ends

For further information, please contact:

Enquiries

Follow us on X @TungstenWest