IONEER LTD — Capital/Financing Update 2021

Mar 9, 2021

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10 March 2021

ASX Market Announcements Office ASX Limited 20 Bridge Street Sydney NSW 2000

Dear Sir/Madam

ioneer Ltd (ASX: INR) – Notification under section 708A(5)(e) of the Corporations Act 2001 (Cth)

ioneer Ltd ABN 76 098 564 606 ( ioneer ) gives notice under section 708A(5)(e) of the Corporations Act 2001 (Cth) (the Corporations Act ).

ioneer has today issued 210,526,316 fully paid ordinary shares ( Shares ) at an issue price of A$0.38 per Share to institutional investors under the placement announced on Thursday, 4 March 2021.

ioneer confirms that:

1. the Shares were issued without disclosure to investors under Part 6D.2 of the Corporations Act;

2. this notice is being given under section 708A(5)(e) of the Corporations Act;

3. as at the date of this notice, ioneer has complied with:

   • (a) the provisions of Chapter 2M of the Corporations Act as they apply to ioneer; and

   • (b) section 674 of the Corporations Act; and

4. as at the date of this notice there is no "excluded information" within the meaning of sections 708A(7) and 708A(8) of the Corporations Act which is required to be disclosed under section 708A(6)(e) of the Corporations Act.

This release has been authorised by the ioneer Board of Directors.

Yours sincerely

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Ian Bucknell Company Secretary

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ioneer Ltd. (ASX: INR) Suite 5.03, 140 Arthur Street, North Sydney, NSW 2060 T: +61 2 9922 5800 W: ioneer.com ABN : 76 098 564 606