CARBONXT GROUP LIMITED — Director's Dealing 2025

Sep 22, 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 Carbonxt Group Limited

ABN 59 097 247 464

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	Matthew Driscoll
Date of last notice	9 April 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	Direct or indirect interest	Indirect	Indirect	Indirect
	Nature of indirect interest(including registered holder)f		M&M Driscoll Nominees Pty Lt<The Driscoll Family A/C>	d
	Note: Provide details o the circumstances giving rise to theinterest.	relevant	An entity associated with the D	irector
	Date of change		17 September 2025
	No. of securities held prior to change		3,276,962 fully paid ordinary s2,230,769 Unquoted Options	hares
	Class		Quoted Options
	Number acquired		546,160
	Number disposed		N/A
	Value/ConsiderationNote: If consideration is non-cash, provide details and estimatedvaluation		$0.01 (issue price)
	No. of securities held after change		3,276,962 fully paid ordinary shares2,230,769 Unquoted Options546,160 Quoted Options

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Nature of change

Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buyback

Issue of quoted options as announced on 22 August 2025 and 15 September 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 whichinterest related prior to changeNote: Details are only required for a contract inrelation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A
Value/ConsiderationNote: If consideration is non-cash, provide detailsand an estimated valuation	N/A
Interest after change	N/A

Part 3 –[+] Closed period

Were the interests in the securities or contracts detailedabove traded during a+closed period where prior writtenclearance was required?	No
If so, was prior written clearance provided to allow thetrade to proceed during this period?	N/A
If prior written clearance was provided, on what date wasthis provided?	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011