08 January 2026

Harena Rare Earths Plc

("Harena" or the "Company")

Appointment of Chief Financial Officer, Corporate Adviser and Broker

Harena Rare Earths Plc (LSE: HREE) (OTCQB: CRMNF), the rare earths company focused on the Ampasindava ionic clay rare earth project in Madagascar (the "Ampasindava Project"), is pleased to announce the appointment of Jack Allardyce as Interim Chief Financial Officer ("CFO") as well as the appointment of Marex as Corporate Adviser and SP Angel Corporate Finance LLP ("SP Angel") as Joint-Broker, with immediate effect.

Jack brings substantial listed company experience, with a strong track record as a CFO and senior finance executive across the natural resources sector. He has extensive experience in capital markets, corporate finance, stakeholder engagement, and working with UK and international investors, and has supported a number of publicly listed companies through key growth and transactional phases. The Board believes his expertise will be highly valuable as Harena continues to strengthen its financial and capital markets capabilities.

Marex has been appointed to provide corporate advisory services with a particular focus on institutional marketing, trading support and access to US capital markets, in support of the Company's growth strategy and its UK and US market ambitions. Marex is a leading corporate advisory firm which, with its recent acquisition of Winterflood Securities, one of the UK's leading market makers, has further enhanced its equities' platform and capabilities across trading, distribution and market making.

SP Angel has been appointed as Harena's Joint-Broker and will lead equity research coverage and investor marketing in the UK. 

With these appointments, Harena is well-placed to expand its access to prospective shareholders and continue to deliver further progress in the development of the Ampasindava project.

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Notes to editors

Harena (www.harenaresources.com) is a rare earths exploration and development company focused on the Ampasindava Ionic Clay Rare Earth Project in Madagascar (Harena's interest is 100%). The project hosts one of the largest ionic clay rare earth deposits outside of China, with significant concentrations of high-value magnet metals, specifically heavy rare earths, including neodymium (Nd), dysprosium (Dy), and praseodymium (Pr), which are critical for the composition of neodymium magnets (NdFeB). Harena is committed to low-impact, high recovery mining, providing a sustainable supply of critical minerals for the global energy transition and military defence industries as well as meeting the ever-growing demand for NdFeB from the robotics sector.