Attendance at Industry Conferences

27 November 2025

Strategic Minerals plc

("Strategic Minerals", the "Company" or the "Group")

Attendance at Industry Conferences

Strategic Minerals plc (AIM: SML; USOTC: SMCDF), an international mineral exploration and production company, is pleased to announce that it will attend the following industry events as part of London Mining Week 2025.

Critical Minerals Association (UK) Annual Conference

The Company, along with Dennis Rowland, Managing Director of Strategic Minerals' wholly owned subsidiary, Cornwall Resources Limited ("CRL"), will attend the Critical Minerals Association's (UK) ("CMA UK") fifth Annual Conference in London on 1 December 2025. As part of the conference's events, the Company will co-host, with Cornish Metals plc, a tin-tungsten roundtable meeting with a select group of invitees.

CRL was one of the founding members of the CMA, and Dennis Rowland is currently the co-chair of the CMA's UK Domestic Mining Working Group. Through its membership, the Company has gained support for its activities and submitted evidence against key government initiatives and fact-finding calls for evidence. Through the CMA, Dennis Rowland was also able to contribute towards responses to the UK Critical Minerals List and the newly released Critical Minerals Strategy.

The CMA UK is a key interlocutor between the UK Government and the critical minerals industry, seeking to support the development of socially and environmentally responsible critical mineral supply chains for the UK's security of supply. The CMA UK unites industry, academia, and other stakeholders to address risks in critical mineral supply chains. For more information on the event, including details on how to register, visit: https://www.eventbrite.co.uk/e/critical-mineral-association-uk-5th-annual-conference-tickets-1465332903159.

Mines and Money @ Resourcing Tomorrow

Strategic Minerals and Cornwall Resources will also attend Mines and Money @ Resourcing Tomorrow in London, which takes place on 2-4 December 2025. Representatives from CRL will be available at Stand E10, as part of the Cornwall Pavillion. The Company will also be taking meetings throughout the conference.

The conference has over 2,000 registrants from the mining value chain, including global mining and energy companies, investors, government representatives, researchers, educators, regulators, suppliers, and operators. To find out more about Resourcing Tomorrow, including details on how to register, visit: https://minesandmoney.com/london/.

Notes to Editors

About Strategic Minerals plc and Cornwall Resources Limited

Strategic Minerals plc (AIM: SML; USOTC: SMCDY) is an AIM-quoted, producing minerals company, actively developing strategic projects in the UK, United States and Australia.

In 2019, the Company completed the 100% acquisition of Cornwall Resources Limited and the Redmoor Tungsten-Tin-Copper Project.

The Redmoor Project is situated within the historically significant Tamar Valley Mining District in Cornwall, United Kingdom, with a JORC (2012) Compliant Inferred Mineral Resource Estimate published 14 February 2019:

1 Equivalent metal calculation notes; Sn(Eq)% = Sn% x 1 + WO3% x 1.43 + Cu% x 0.40. WO3(EQ)% = Sn% x 0.7 + WO3 + Cu% x 0.28. Commodity price assumptions: WO₃ US$ 33,000/t, Sn US$ 22,000/t, Cu US$ 7,000/t. Recovery assumptions: total WO3 recovery 72%, total Sn recovery 68% & total Cu recovery 85% and payability assumptions of 81%, 90% and 90% respectively

More information on Cornwall Resources can be found at: https://www.cornwallresources.com

In September 2011, Strategic Minerals acquired the distribution rights to the Cobre magnetite project in New Mexico, USA, through its wholly owned subsidiary Southern Minerals Group. Cobre has been in production since 2012 and continues to provide a sustainable revenue stream for the Company.

In March 2018, the Company completed the acquisition of the Leigh Creek Copper Mine situated in the copper rich belt of South Australia. The Company has entered into an exclusive Call Option with South Pacific Mineral Investments Pty Ltd trading as Cuprum Metals to acquire 100% of the project.

About the CIOS Good Growth Fund and UK Shared Prosperity Fund

This project is part-funded by the UK Government through the UK Shared Prosperity Fund. Cornwall Council is responsible for managing projects funded by the UK Shared Prosperity Fund through the Cornwall and the Isles of Scilly Good Growth Programme.

Cornwall and Isles of Scilly has been allocated £184 million for local investment through the Shared Prosperity Fund. This new approach to investment is designed to empower local leaders and communities, so they can make a real difference on the ground where it's needed the most.

The UK Shared Prosperity Fund proactively supports delivery of the UK-government's five national missions: pushing power out to communities everywhere, with a specific focus to help kickstart economic growth and promoting opportunities in all parts of the UK.

For more information, visit

https://www.gov.uk/government/publications/uk-shared-prosperity-fund-prospectus

For more information, visit https://ciosgoodgrowth.com

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