RAREX LIMITED — Board/Management Information 2025

Nov 3, 2025

ASX Release 4 November 2025

RareX Appoints Washington-based Ms Selina Hayes to the Board Strengthening U.S. Alignment and Expanding Strategic Reach Across Africa Engage with this announcement at the RareX investor hub .

RareX Limited (“RareX” or “the Company”, ASX: REE and REEO) is pleased to announce the appointment of Ms Selina Hayes as a Non-Executive Director.

Ms Hayes, a U.S. – Australian dual citizen, is based in Washington, D.C., and has worked extensively with the U.S. Government on strategic and security initiatives. She leads Hayes Group International—a boutique advisory firm specialising in strategic access to U.S. capital, policy stakeholders and African mining opportunities. Her appointment further strengthens RareX’s growing alignment with U.S. strategic interests, particularly in light of the MoU signed with US Strategic Metals for collaboration on critical minerals processing and supply-chain development[1] , and RareX’s expanding project generation footprint across Africa, including the Mrima Hill project proposal in consortium with Iluka Resources[2] .

A long-time advocate for the development of transparent, allied rare-earth supply chains, Ms Hayes brings extensive experience spanning critical minerals, space and geospatial intelligence, and East African resource policy. She has worked closely with U.S. and African government counterparts on supply-chain initiatives linked to the Lobito Corridor, the U.S.-Africa Leaders Summit, and a range of rare-earth and technology partnerships.

RareX Chairman, Jeremy Robinson said: “ Selina’s appointment is representative of the deepening U.S.–Australian alignment that underpins RareX’s strategy for projects like Mrima Hill in Kenya as well as broader African exploration opportunities. Her understanding of Washington’s policy environment, coupled with her networks across East Africa, gives RareX both reach and insight at a pivotal moment for the global critical-minerals sector. ”

Ms Hayes added: “ I’ve followed RareX’s work for years and share the team’s conviction that Australia and its partners across Africa can be central to building secure, ethical and transparent rare-earth supply chains. I’m excited to help connect that vision to the growing policy and capital momentum in the United States. ”

This appointment strengthens RareX’s capability in three key areas:

• U.S. alignment – deepening ties with U.S. policy and capital networks at a time of increasing geopolitical focus on critical-minerals sourcing.

• Project generation across Africa – leveraging Ms Hayes’ established East African relationships to pursue rare-earth and strategic-mineral opportunities including Mrima Hill.

• Rare-earth advocacy and expertise – drawing on her long-standing involvement in the rare-earth industry and space-technology applications relevant to resource development.

RareX looks forward to Ms Hayes’ contribution as it advances its U.S.–Australia–Africa critical-minerals strategy and continues to build a globally aligned portfolio of rare-earth assets.

Ms Hayes will formally join the Board effective 1 January 2026.

1 ASX Announcement 29 October 2025: RareX Enters Strategic Partnership with US Strategic Metals

2 ASX Announcement 22 April 2025: RareX and Iluka in consortium for Mrima Hill

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This announcement has been authorised for release by the Board of RareX Limited.

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RareX is a critical minerals company specialising in rare earths and niobium in hard rock carbonatites.

The exploration focus of the business is on the new Khaleesi Project in the East Yilgarn which is a district-scale, elevated-niobium, alkaline intrusive complex, the Mt Mansbridge xenotime heavy rare earths project near Browns Range and the Cummins Range near-mine anomalies.

The Company’s engineering and commercial focus is on the mid-study-level, Cummins Range Project (+$330M NPV8 post-tax*) - a carbonatite hosted rare earths and phosphate project, containing magnet grade rare earths and battery grade phosphates and technically Australia’s largest undeveloped rare earths project.

RareX have been curating a portfolio of carbonatite related projects including the newly acquired bulls-eye Piper Project along trend from both Nolans Bore and the Luni niobium deposit. RareX will continue to develop and optimise its portfolio.

RareX maintains material investments in Kincora Copper (ASX:KCC), Cosmos Exploration (ASX:C1X) and Canada Rare Earth Corporation (LL.V).

For further information on the Company and its projects visit www.rarex.com.au

• The forecast financial information was released on 22 August 2023. The Company confirms that the material assumptions underpinning the production target and forecast financial information continue to apply and have not materially changed

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