PROSPECT RESOURCES LIMITED — Director's Dealing 2025

Sep 4, 2025

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 Prospect Resources Limited ABN 30 124 354 329

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	Samuel Hosack
Date of last notice	15 August 2025

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
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	Adansonia Mgmt Services Ltd Granta A/C> Mr Samuel Hosack and Mrs Barbara Hosack Equity Trustees Superannuation Limited Samuel Hosack A/C>
Date of change	4 September 2025

• See chapter 19 for defined terms.

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Appendix 3Y Change of Director’s Interest Notice

No. of securities held prior to change	Adansonia Mgmt Services Ltd **Granta A/C> 14,706,323 fully paid ordinary shares 1,137,500 performance rights expiring 03/09/27 2,750,000 unlisted options expiring 03/09/28 exercisable at $0.16 Mr Samuel Hosack and Mrs Barbara Hosack 3,000,000 unlisted options expiring 07/10/26 exercisable at $0.15 408,269 performance rights expiring 09/08/26 2,076,000 unlisted options expiring 09/08/27 exercisable at $0.20 Equity Trustees Superannuation Limited **– Samuel Hosack A/C> 3,570,000 fully paid ordinary shares
Class	Performance rights expiring 09/08/26 Performance rights expiring 03/09/27 Fully paid ordinary shares
Number acquired	977,019 Fully paid ordinary shares
Number disposed	408,269 Performance rights expiring 09/08/26 568,750 Performance rights expiring 03/09/27
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Nil
No. of securities held after change	Adansonia Mgmt Services Ltd **Granta A/C> 15,683,342 fully paid ordinary shares 568,750 performance rights expiring 03/09/27 2,750,000 unlisted options expiring 03/09/28 exercisable at $0.16 Mr Samuel Hosack and Mrs Barbara Hosack 3,000,000 unlisted options expiring 07/10/26 exercisable at $0.15 2,076,000 unlisted options expiring 09/08/27 exercisable at $0.20 Equity Trustees Superannuation Limited **– Samuel Hosack A/C> 3,570,000 fully paid ordinary shares

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

Nature of change Exercise of vested performance rights Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back

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	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
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	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

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