MIRAMAR RESOURCES LIMITED — Director's Dealing 2025

Sep 11, 2025

ASX: M2R | 12 September 2025

AMENDMENT TO

CHANGES OF DIRECTORS’ INTEREST NOTICES

Miramar Resources Limited (ASX:M2R , “Miramar” or “the Company”) advises that it has updated the change of directors’ interest notices (“Appendix 3Ys”) released on 15 July 2025 and 1 September 2025 for two of its directors, being Mr Allan Kelly and Mr Terry Gadenne.

The amendment relates solely to the “Date of Change”, which has been updated to reflect the date of the relevant transaction. For clarity, the relevant Appendix 3Ys were originally released to the market on the date of the change, and all other details in the original Appendix 3Ys lodged on 15 July 2025 and 1 September 2025 remain accurate.

We apologise for the oversight and confirm that the Company has reviewed its internal processes to help ensure accurate disclosures going forward.

This announcement has been authorised for release by the Company Secretary on behalf of the Board of Miramar Resources Limited.

For more information on Miramar Resources Limited, visit the Company’s website at www.miramarresources.com.au, follow the Company on social media (Twitter @MiramarRes and LinkedIn @Miramar Resources Ltd) or contact:

Allan Kelly Executive Chairman Email: info@miramarresources.com.au

ASX: M2R | ABN 34 635 359 965 | Unit 1, 22 Hardy Street, South Perth, Western Australia 6151 PO Box 810, South Perth WA 6951 | miramarresources.com.au | info@miramarresources.com.au | +61 (8) 6166 6302

Appendix 3Y Change of Director’s Interest Notice

Rule 3.19A.2

Amended 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	Miramar Resources Limited
ABN	34 635 359 965

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	Allan Kelly
Date of last notice	27 June 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	(a) Direct (b) to (c) Indirect
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	(b) XGS Pty Ltd (c) Allorah Pty Ltd Mr Allan is a director and shareholder of XGS Pty Ltd and Allorah Pty Ltd, and a beneficiary of Hensman Investment A/C and Kelly SF A/C.
Date of change	15 July 2025
No. of securities held prior to change	(a) 2,000,000 unlisted options exercisable at $0.031 each on or before 8 November 2027 (b) 6,033,413 fully paid ordinary shares 500,000 unlisted options exercisable at $0.27 each on or before 3 November 2025 581,396 performance rights expiring on or before 30 June 2025 (c) 15,811,598 fully paid ordinary shares 9,583,334 listed options exercisable at $0.018 each on or before 25 July 2027
Class	Performance rights
Number acquired	Nil
Number disposed	(b) 581,396

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Value/Consideration Note: If consideration is non-cash,provide details and estimated valuation	N/A
No. of securities held after change	(a) 2,000,000 unlisted options exercisable at $0.031 each on or before 8 November 2027 (b) 6,033,413 fully paid ordinary shares 500,000 unlisted options exercisable at $0.27 each on or before 3 November 2025 (c) 15,811,598 fully paid ordinary shares 9,583,334 listed options exercisable at $0.018 each on or before 25 July 2027
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestmentplan,participation in buy-back	Expiry of 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	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

Date: 15 July 2025

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

Rule 3.19A.2

Amended 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	Miramar Resources Limited
ABN	34 635 359 965

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	Allan Kelly
Date of last notice	15 July 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	(a) Direct (b) to (c) Indirect	(a) Direct (b) to (c) Indirect	(a) Direct (b) to (c) Indirect	(a) Direct (b) to (c) Indirect	(a) Direct (b) to (c) Indirect
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	(b) XGS Pty Ltd (c) Allorah Pty Ltd Mr Allan is a director and shareholder of XGS Pty Ltd and Allorah Pty Ltd, and a beneficiary of Hensman Investment A/C and Kelly SF A/C.
Date of change	1 September 2025
No. of securities held prior to change		Interest	Shares	Options
		(a)	–	2,000,000
		(b)	6,033,413	500,000
		(c)	15,811,598	9,583,334
Class	(b) Fully paid ordinary shares (c) Fully paid ordinary shares
Number acquired	(b) 13,574,660 (c) 13,574,660
Number disposed	N/A
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	(b) $30,000 (c) $30,000

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

No. of securities held after change		Interest	Shares	Options
		(a)	–	2,000,000
		(b)	19,608,073	500,000
		(c)	29,386,258	9,583,334
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestmentplan,participation in buy-back	Issue of shares under a Share Purchase Plan announced on 23 July 2025.

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

Date: 1 September 2025

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

Rule 3.19A.2

Amended 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	Miramar Resources Limited
ABN	34 635 359 965

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	Terry Gadenne
Date of last notice	27 June 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	(a) Indirect	(a) Indirect	(a) Indirect	(a) Indirect	(a) Indirect
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	(a) Terry Gadenne Mr Gadenne is the trustee and beneficiary of the superannuation fund
Date of change	1 September 2025
No. of securities held prior to change		Interest	Shares	Options
		(a)	2,600,000	3,900,000
Class	Fully paid ordinary shares
Number acquired	9,049,773
Number disposed	N/A
Value/Consideration Note: If consideration is non-cash,provide details and estimated valuation	$20,000
No. of securities held after change		Interest	Shares	Options
		(a)	11,649,773	3,900,000
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestmentplan,participation in buy-back	Issue of shares under a Share Purchase Plan announced on 23 July 2025.

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

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

art 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

Date: 1 September 2025

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011