Announcement PDF RNS Number : 4724C Harena Rare Earths PLC 30 April 2026 30 April 2026 Harena Rare Earths Plc ("Harena" or the "Company") Appointment of Chief Financial Officer Harena Rare Earths Plc (LSE: HREE) (OTCQB: CRMNF), the rare earths company progressing the Ampasindava ionic clay project in Madagascar (the "Ampasindava Project"), is pleased to announce the appointment of Jack Allardyce as Chief Financial Officer ("CFO") with immediate effect. Jack has been working as Interim CFO since January 2026, during which time he has played a key role in the strengthening of the Company's financial and capital markets capabilities. Jack has 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. For further information please contact: Harena Rare Earths Plc Ivan Murphy, Executive Chairman Allan Mulligan, Executive Technical Director +44 (0)20 7770 6424 SP Angel - Broker Ewan Leggat / Josh Ray (Corporate Finance) +44 (0)20 3470 0470 Marex Financial - Corporate Advisor Angelo Sofocleous / Matt Bailey (Broking) +44 (0)20 7655 6000 corporate@marex.com Celicourt Communications - Public Relations Mark Antelme / Charles Denley-Myerson +44 (0)20 7770 6424 harena@celicourt.uk Investor questions on this announcement We encourage all investors to share questions on this announcement via our investor hub https://harenaresources.com/link/PB2kjP Subscribe to our news alert service: https://hree-l.investorhub.com/auth/signup 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. This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com. RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END BOABLGDSUSDDGLC