26 November 2025

Tungsten West Plc

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

EPC Agreement for New Build Crushing, Screening and Ore Sorter Facility

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 announce that the Company has signed a heads of terms with Duo Group ("Duo") for the Engineering Procurement and Construction ("EPC") works package for the New Build Crushing, Screening and Ore Sorter Facility ("New Build Construction") at Hemerdon. The agreement is contingent upon the completion of a final formal construction contract and the conclusion of Project financing, which is being advanced.

Duo is a full-service processing solutions specialist for the aggregates, mining, recycling and environmental sectors throughout the UK.  Additionally, Duo is the national partner for the sales and servicing of fixed Metso equipment across the UK. Metso will provide all the major fixed equipment components for the New Build Construction of the Project.

Jeff Court, CEO of Tungsten West, commented:

"This marks another important milestone in restarting Hemerdon and I am very pleased to have Duo as our partner for the Project.  This works package is a major component of the re-start programme and enables us to commence targeted works on this long lead time component."

Martin McWilliams, Managing Director of Duo Group, commented:

"We are pleased to be selected by Tungsten West as the EPC partner for the New Build Crushing, Screening and Ore Sorter Facility.  Duo has worked closely with Tungsten West on the design, developing the most innovative and sustainable facility in the UK, which places Metso's proven crushing and screening technology at the core of the process.  Hemerdon is an important project for the UK's critical minerals sector, and we look forward to supporting Tungsten West in delivering this major component of the restart programme."

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