Critical Metals: Block Modelling Confirms Mineralisation at Molulu

Critical Metals plc | LSE: CRTM | Main Market | LEI: 213800MU3B7CS88PY290

LONDON, 5 November 2026 – Critical Metals plc (LSE: CRTM), a mining company established to acquire mining opportunities in the critical and strategic metals sector, is pleased to announce the completion of 3D block modelling and confirmation of copper oxide mineralisation at the Molulu Copper/Cobalt Project (“Molulu”) in the Democratic Republic of Congo. The modelling represents a further step in advancing the Company’s understanding of the project and will inform the next phase of exploration.

Furthermore, the Company announces that it is collaborating with a potential offtake partner to test a total of Circa. 300 kilograms (kg) of ore from existing stockpiles and evaluate sample recovery within the following Total Copper (TCu) ranges: 1%-1.5%, 1.5%-2%, and >2%.

The efficient solubility and recovery of copper oxides in acidic environments are essential for sustainable mining operations. Our ongoing research and optimisation of leaching and extraction techniques aim to improve recovery rates while optimising production, minimising environmental impact, and responding to market demands, making this a key focus within the mining and metallurgy sectors.

HIGHLIGHTS

— Exploration Target 3D Block modelling completed based on available drilling data, soil sampling & trench data along with current quality assurance and quality control (QA/QC) program

— Results from 3D Block Modelling increase understanding of the mineralised areas and help to plan the next phase of drilling

— Initial discussions with a new potential offtake partner

— Testing 300 kg of bulk sample to determine potential recovery grades of acid-soluble copper.

NEXT STEPS

• Interpret the modelling results to increase understanding of geometry, distribution and continuity of mineralisation
• Prepare an extraction schedule for the exploration target
• Independent third-party review
• Identify further Priority targets
• Undertake follow-up drilling to understand the mineralisation extension
• Update block modelling

MANAGEMENT COMMENT

Danilo Lange, Chief Executive Officer of Critical Metals, said:

“The completion of Exploration Target 3D Block Modelling represents an important step in increasing our understanding of the mineralisation across the project, which is essential in determining and guiding our next phase of exploration.

Alongside the work on the ground, we were delighted to start initial conversations with a potential offtake partner, with material being tested to assess its copper recovery potential. This could provide an opportunity to release value from material already on site, while we continue to advance our understanding and potential of the wider project.”

**ENDS**

For further information on the Company, please visit www.criticalmetals.co.uk or contact:

Notes to Editors

Critical Metals plc is a mining company focused on acquiring and developing brownfield opportunities in the critical and strategic metals sector. The Company operates the Molulu copper/cobalt project, an ex-producing mine located in the Katanga Copperbelt, Democratic Republic of Congo. It holds a 70% interest in the Molulu Project, with DRC-based partners holding the remaining 30%.

The Company is majority owned by NIU Invest SE, a Europe and US-based investment company headed by Austrian investor Cevdet Caner, which holds a 52.07% stake in Critical Metals. NIU is focused on becoming a fully integrated mining investor and operator with assets across North America, Latin America, Africa, and Europe.

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