Conference Participation and New Presentation

11 September 2026

Harena Rare Earths plc

("Harena" or the "Company")

Conference Participation and New Corporate Presentation

Harena Rare Earths plc (LSE: HREE, OTCQB: CRMNF), advancing the Ampasindava ionic clay rare earth project in Madagascar (the "Ampasindava Project"), is pleased to announce that Executive Chairman Ivan Murphy presented at the 2026 Africa Down Under Conference, held in Perth, Australia last week. Africa Down Under is a leading forum for African-focused mining and investment, bringing together governments, mining companies, investors and industry participants from across Africa and Australia.

During his presentation, Mr Murphy provided an overview of the Ampasindava Project and highlighted the significant progress made by the Company over the past year, including:

Corporate Presentation and Recording:

Harena's latest corporate presentation can be viewed here.

A recording of Ivan Murphy's presentation, published as part of the official Africa Down Under conference coverage, can be viewed here.

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Notes to Editors

Harena Rare Earths plc

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, including the light rare earths neodymium (Nd) and praseodymium (Pr), together with the heavy rare earths dysprosium (Dy) and terbium (Tb), 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.

Development Finance Corporation (DFC)

The United States International Development Finance Corporation (DFC) is the international investment arm of the United States Government and central to U.S. economic statecraft. DFC mobilizes private capital to advance U.S. foreign policy and economic development. Our investments deliver strong returns for American taxpayers, drive meaningful economic development for our allies and partners, and secure supply chains to counter and outcompete our adversaries.