18 March 2026

Harena Rare Earths Plc

("Harena" or the "Company")

Investor Presentation

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 that its Executive Chairman, Ivan Murphy, will host a live interactive presentation on the Engage Investor platform, on Wednesday 25th March at 3:00pm GMT.

Harena welcomes all current shareholders and interested investors to join and encourages investors to pre-submit questions. Investors can also submit questions at any time during the live presentation.

Investors can sign up to Engage Investor at no cost and follow Harena from their personalised investor hub.

Register for the event here: https://engageinvestor.news/HREE_IP2026

For further information please contact:

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.