GREAT BOULDER RESOURCES LIMITED — Director's Dealing 2023

Jul 2, 2023

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	Great Boulder Resources Limited
ABN	70 611 695 955

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	Melanie Jane Leighton
Date of last notice	2 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
Nature of indirect interest	Registered holder is Leighton Crossing Pty Ltd as
(including registered holder)	trustee for the Leighton Family Trust. Melanie
Note: Provide details of the circumstances giving rise to the relevantinterest.	Leighton is a director and shareholder of LeightonCrossing Pty Ltd and a beneficiary of the
	Leighton FamilyTrust.
Date of change	30 June 2023
No. of securities held prior to change	1,450,000 ordinary fully paid shares
	2,000,000 options exercisable at $0.074 expiring
	30June 2023
Class	Unlisted options exercisable at $0.074 expiring 30
	June 2023
Number acquired	Nil
Number disposed	2,000,000
Value/Consideration	Nil
Note: If consideration is non-cash, provide details and estimated valuation
No. of securities held after change	1,450,000 ordinary fully paid shares

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Nature of change Expiry of options. 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 whichinterest related prior to changeNote: Details are only required for a contract in relationto which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/ConsiderationNote: If consideration is non-cash, provide details and anestimated valuation	N/A
Interest after change	N/A

Part 3 –[+] Closed period

Part 3 –+Closed period
Were the interests in the securities or contracts detailedabove traded during a+closed period where prior writtenclearance was required?	N/A
If so, was prior written clearance provided to allow the tradeto proceed during this period?	N/A
If prior written clearance was provided, on what date was thisprovided?	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011