IONEER LTD — Director's Dealing 2021

Sep 14, 2021

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15 September 2021

Company Announcements Office ASX Limited 20 Bridge Street SYDNEY NSW 2000

Late Lodgement of Appendix 3Y

Please find attached an Appendix 3Y – Change of Director's Interest Notice for Mr Bernard Rowe.

In relation to the late lodgement of the attached Appendix 3Y, ioneer Ltd (the Company ) advises as follows:

• (a) The Appendix 3Y was lodged late due to an administrative oversight.

• (b) The Company and the Company's Directors are aware of their obligations under the ASX Listing Rules 3.19A and 3.19B to provide the necessary information to the ASX to meet its disclosure requirements.

(c) The Company believes that its current practices are adequate to ensure compliance with the ASX Listing Rules.

This document was approved and authorised for release by the Company Secretary.

Ian Bucknell ioneer Limited

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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

Appendix 3Y Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity IONEER LTD ABN 76 098 564 606

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Bernard Anthony Rowe
Date of last notice	18 December 2020

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest	Indirect / direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	Lydail Pty Limited; Mopti Pty Limited, Mopti Management Pty Limited are controlled by BA Rowe.
Date of change	1 July 2021
No. of securities held prior to change	Mopti Pty Limited 51,690,902 Fully paid ordinary shares Mopti Management Pty Limited 5,826,182 Fully paid ordinary shares Bernard Anthony Rowe 3,824,606 Fully paid ordinary shares 8,893,834 Performance Rights
Class	Fully paid ordinary shares
Number acquired	2,766,272

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Number disposed	Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Nil
No. of securities held after change	Mopti Pty Limited 51,690,902 Fully paid ordinary shares Mopti Management Pty Limited 5,826,182 Fully paid ordinary shares Bernard Anthony Rowe 6,590,878 Fully paid ordinary shares 6,127,562 Performance Rights
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy- back	Vesting of equity incentive Performance Rights

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	-
Nature of interest	-
Name of registered holder (if issued securities)	-
Date of change	-
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed	-
Interest acquired	-
Interest disposed	-
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	-
Interest after change	-

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

Part 3 –[+] Closed period

Part 3 –+Closed period
Were the interests in the securities or contracts detailed above traded during a+closed period where prior written clearance was required?	No
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 3