Strategic Minerals PLCLSE: SML

Strategic Minerals: Leigh Creek – Completion of Sale

· Issued by Strategic Minerals PLC via RNS

Summary by 6ix AI

Strategic Minerals has completed the sale of Leigh Creek Copper Mine Pty Ltd to South Pacific Minerals Investments Pty Ltd, trading as Cuprum Metals (Cuprum), after Australian Foreign Investment Review Board approval. Payment is cash plus shares, a royalty and an earn-out; proceeds will support its Redmoor Tungsten-Copper-Tin Project in southeast Cornwall.

Key details

  • Cash: A$750,000 in total, including A$500,000 previously held in escrow (set aside) and now released to the Company.
  • Shares: up to 19.9% of the ordinary shares in a new company that Cuprum intends to list on a recognised stock exchange, capped at a value of A$3,000,000.
  • Royalty: a 2% Net Smelter Royalty (a share of revenue from copper produced) on the first 24,900 tonnes of copper produced. Cuprum has an option to buy back 1% for A$1,500,000.
  • Earn-out: 20% of half-yearly operating cash flows from the start of commercial production, up to a value of A$4,000,000.

What’s still pending

  • If the shares are not issued within 3 years or are worth less than A$3,000,000, any shortfall is to be added to earn-out payments.
  • Royalty and earn-out payments depend on future copper production and the start of commercial production at Leigh Creek.

6ix AI wrote this summary from the release below and checked it against the release.

Strategic Minerals PLC
04 November 2026

4 November 2026

Strategic Minerals plc

("Strategic Minerals" or the "Company")

Leigh Creek - Completion of Sale

Transaction closed following FIRB approval; layered consideration retains copper upside to support continued advancement of the Redmoor Tungsten-Copper-Tin Project

Strategic Minerals (AIM: SML; USOTC: SMCDF), an international mineral exploration and production company, is pleased to announce that Australian Foreign Investment Review Board ("FIRB") approval has been received and the sale of Leigh Creek Copper Mine Pty Ltd ("LCCM") to South Pacific Minerals Investments Pty Ltd, trading as Cuprum Metals ("Cuprum"), has now completed.

As announced on 3 September 2026, the consideration comprises:

·    Cash: A$750,000 in total, including A$500,000 previously held in escrow, which has now been released to the Company.

·    Shares: up to 19.9% of the ordinary shares in a new company which Cuprum intends to list on a recognised stock exchange, capped at a value of A$3,000,000.  If such shares are not issued within 3 years of or are less than the value of A$3,000,000, any shortfall is to be added to earn-out payments.

·    Royalty: a 2% Net Smelter Royalty on the first 24,900 tonnes of copper produced, with a 1% buy-back option for Cuprum on payment of A$1,500,000.

·    Earn-out: 20% of half-yearly operating cash flows from the start of commercial production, up to a value of A$4,000,000.

Proceeds will support the continued advancement of the Company's flagship Redmoor Tungsten-Copper-Tin Project in southeast Cornwall.

Charles Manners, Executive Chairman of Strategic Minerals, commented:

"We are pleased to have completed the sale of Leigh Creek. Through our equity, royalty and earn-out interests, Strategic Minerals will be a significant stakeholder in a future copper mine, and we look forward to continuing to work closely with the Cuprum team as they advance the project. We consider the prospects for Leigh Creek to be very positive in the current market environment for copper. The cash now released from the project together with potential future payments from our various retained interests in the project will be used to further accelerate activities at our Redmoor project in Cornwall which remains our key focus. "

Matthew Salthouse, Director of Cuprum, commented:

"Cuprum Metals is pleased to have concluded the acquisition of the Leigh Creek Copper Mine asset from Strategic Minerals. We look forward to restarting Leigh Creek and having Strategic Minerals as a cornerstone investor, and especially to their continuing support as Cuprum moves down the pathway to production."

For further information, please contact:

Strategic Minerals plc

+44 (0) 207 389 7067

Mark Burnett

Executive Director

Website:

www.strategicminerals.net

Email:

[email protected]

Follow Strategic Minerals on:

X:

@StrategicMnrls

LinkedIn:

https://www.linkedin.com/company/strategic-minerals-plc

SP Angel Corporate Finance LLP

+44 (0) 20 3470 0470

Nominated Adviser and Broker

Matthew Johnson/Charlie Bouverat/Grant Barker

Zeus Capital Limited

Joint Broker

Harry Ansell/Katy Mitchell

+44 (0) 203 829 5000

Vigo Consulting

+44 (0) 207 390 0234

Investor Relations

Ben Simons/George Pope

Email:

[email protected]

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").

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 26 March 2026:

Resource category

Domain

Tonnage
(Mt)

NSR
(US$/t)

WO3 Eq grade
(%)

WO3 grade
(%)

Sn grade
(%)

Cu grade
(%)

Ag grade
(g/t)

Inferred

Tungsten HGDs

7.30

499

0.98

0.83

0.12

0.53

7.0

Tin HGDs

1.95

208

0.44

0.14

0.50

0.50

7.6

Cu Domain SVS

8.02

196

0.40

0.28

0.13

0.34

4.3

Low Grade SVS

0.12

125

0.25

0.17

0.10

0.16

2.7

Total Inferred

17.40

324

0.65

0.49

0.17

0.44

5.8

Total Mineral Resources

17.40

324

0.65

0.49

0.17

0.44

5.8

The preceding statement of Mineral Resources conforms to the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (JORC Code) 2012 Edition. All tonnages reported are dry metric tonnes. Minor discrepancies may occur due to rounding to appropriate significant figures.

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.  In November 2026, the Company completed a sale of Leigh Creek Copper Mine to South Pacific Mineral Investments Pty Ltd trading as Cuprum Metals providing upfront cash with ongoing copper exposure through layered consideration comprising shares, royalties and earn-out. Proceeds will be utilised to further advance the flagship Redmoor Project.

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