ANTEOTECH LTD — Director's Dealing 2026

Jun 4, 2026

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	Anteotech Limited
ABN	75 070 028 625

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	Geoff Cumming
Date of last notice	28 November 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.	Indirect holdings held by Bond Street Custodians Limited on behalf of the Jamelys Superannuation Fund, for which Mr Cumming is a joint trustee and a beneficiary
G.J. & J.L. Cumming (Mr Cumming is a joint trustee and a beneficiary of the super fund)
Date of change	1 and 2 June 2026
No. of securities held prior to change
Bond Street Custodians	27,267,750 Ordinary Shares
600,000 Listed Options ($0.035 @ 31-May-26)
468,750 Unlisted Options ($0.064 @ 13-Sep-26)
5,000,000 Unlisted Options ($0.0375 @ 26-Nov-28)
1,500,000 Unlisted Options ($0.048 @ 30-Nov-26)
G.J. & J.L. Cumming
Class	Ordinary Shares and Listed Options

• See chapter 19 for defined terms.

01/01/2011 Appendix 3Y Page 1

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Appendix 3Y

Change of Director's Interest Notice

Number acquired	Bond Street Custodians: 585,000 ADO Shares on exercise of the Listed Options (31-May-26 @ $0.035)
Number disposed/expired	Bond Street Custodians: 600,000 Options (Expired 31-May-26, $0.035) 3,000,000 ADO Shares
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	585,000 ADO Shares acquired for $0.035 per share
3,000,000 ADO Shares disposed at an average price of $0.036 per share
No. of securities held after change
Bond Street Custodians	24,267,750 Ordinary Shares
468,750 Unlisted Options ($0.064 @ 13-Sep-26)
5,000,000 Unlisted Options ($0.0375 @ 26-Nov-28)
G.J. & J.L. Cumming	1,500,000 Unlisted Options ($0.048 @ 30-Nov-26)
Nature of change
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Acquisition of 585,000 ADO shares
Expiry of 600,000 Listed options
Disposal of 3,000,000 ADO shares

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
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

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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Appendix 3Y
Change of Director's Interest Notice

Value/Consideration
Note: If consideration is non-cash, provide details and an estimated valuation
Interest after change

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?
If prior written clearance was provided, on what date was this provided?

• See chapter 19 for defined terms.
  01/01/2011 Appendix 3Y Page 3