26 February 2025

Citius Resources plc (the "Company")

Approval and Publication of Prospectus

The Company confirms that a prospectus has been approved by the Financial Conduct Authority and published by the Company ("Prospectus") regarding the reverse takeover by Harena Resources Ltd and the Fundraising to raise gross proceeds of £1.35m.

Harena Resources Ltd is an Australian domiciled company that owns 75% of the Ampasindava Rare Earths Project ("Project") located in the northwest of Madagascar. The Project has been the subject of significant exploration work including 4,470 test pits excavated and 277 holes drilled (approx. 20,000m of exploration drilling) by previous owners that has confirmed the mineral resource is an "Ionic Adsorption Clay" deposit. The Project contains a globally significant JORC Resource of 606,000t of rare earth oxides, importantly, 22% of the reported rare earth elements are those related to the manufacturing of permanent magnets that are critical to the transition to green energy. Following Re-admission, the Company plans to complete the feasibility study and environmental impact & social assessment study to further de-risk the project and move towards production.

The Prospectus has been published in connection with:

1. The proposed acquisition of Harena Resources Ltd ("Proposed Acquisition") and associated issue of Consideration Shares

2. The Acquisition of Harena Resources Ltd is a reverse takeover under the Listing Rules;

3. The Proposed Acquisition, Placing and Subscription is conditional on the passing of certain resolutions at an annual general meeting of the Company ("Completion").

Following Completion, the Company will seek the admission of an aggregate of 370,634,352 New Ordinary Shares to the Equity Shares (transition) category of the Official List and to the main market of the London Stock Exchange ("Admission"). Following Admission, the Company will have an Enlarged Share Capital of 413,884,352 ordinary shares.

The Prospectus has been filed with the Financial Conduct Authority. To view the full document, please follow the link www.citiusresources.co.uk. A copy of the Prospectus has also been submitted to the National Storage Mechanism and will shortly be available for inspection at the following link: https://data.fca.org.uk/#/nsm/nationalstoragemechanism

It is expected that Completion will take place following the annual general meeting at 10.00 a.m. on 20 March 2025 and Admission on 8.00 a.m. on 21 March 2025. A notice of annual general meeting has been announced separately.