RAREX LIMITED — Capital/Financing Update 2025

Sep 21, 2025

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Market Announcement

22 September 2025

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RareX Limited (ASX: REE) – Trading Halt

Trading in the securities of RareX Limited (‘REE’) will be halted at the request of REE, pending the release of an announcement by REE.

Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of:

• the commencement of normal trading on Wednesday, 24 September 2025; or

• the release of the announcement to the market.

REE’s request for a trading halt is attached below for the information of the market.

Issued by

ASX Compliance

Market Announcement 1/1 ASX Customer Service Centre 131 279 | asx.com.au

22 September 2025 ASX Limited

ASX Release 22 September 2025

Madeleine Green Australian Securities Exchange Level 40, Central Park 152-158 St George's Terrace Perth WA 6000

Dear Madeleine,

REQUEST FOR TRADING HALT – RAREX LIMITED (ASX: REE, REEO)

RareX Limited (“ the Company ”) hereby requests a halt in trading of its securities, effective immediately, pending an announcement regarding the finalisation of proposed funding arrangements.

The trading halt will remain in place until not later than commencement of trading on Wednesday, 24 September 2025 or until the release of the announcement referred to above.

The Company is not aware of any reason why the trading halt should not be granted or of any other information necessary to inform the market about the trading halt.

On behalf of the Board of RareX Limited,

Oonagh Malone Company Secretary

For more information, Investors: James Durrant, Managing Director P +61 (0) 8 6383 6593 please contact: Engage and Contribute: Investor Hub W ree.investorhub.com/welcome

RareX Limited ASX:REE ABN: 65 105 578 756

RareX HQ P +61 (0) 8 6383 6593 RareX Limited (ASX:REE) Level 1, 1 Alvan Street E info@rarex.com.au @rarex_asx Subiaco WA 6008 ree.investorhub.com/welcome Australia rarex.com.au