The following announcement replaces the "Change of Accounting Reference Date" announcement released on 29 August 2025 at 12:31 PM under RNS No 2727X. The previous reference to "31 December 2025" has been replaced by "31 October 2025". All other details remain unchanged. The full amended text is shown below.

29 August 2025

Harena Resources Plc

("Harena" or the "Company")

Change of Accounting Reference Date

Harena Resources Plc (LSE: HREE), the rare earths company focused on the Ampasindava ionic clay rare earth project in Madagascar (the "Ampasindava Project"), advises that the Company has changed its accounting reference date from 30 April to 30 June to align with its subsidiary Harena Resources Pty Ltd which was acquired earlier this year.

Accordingly, the Company's updated financial calendar will be as follows:

·      Audited accounts for the 14-month period ended 30 June 2025 to be published by 31 October 2025.

·      Unaudited interim accounts for the six-month period ending 31 December 2025 to be published by 31 March 2026.

Thereafter, the Company will publish each year its final audited results for the 12-month period ending 30 June as well as its unaudited interim results for the six-month period ending 31 December.

For further information please contact:

Notes to editors

Harena (www.harenaresources.com.au) 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. 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. Forward-Looking Statements This announcement contains forward-looking statements that involve risks and uncertainties. Actual results may differ materially from those expressed or implied in such statements.