BRAINCHIP HOLDINGS LTD — Director's Dealing 2026

May 11, 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	Brainchip Holdings Ltd
ABN	64 151 159 812

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	Sean Hehir
Date of last notice	05 March 2026

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 and Indirect
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.	Mr Hehir holds shares directly and is also a beneficial holder of shares on vesting under the Company’s Employee Share Plan Trust.
Date of change	8 May 2026
No. of securities held prior to change	3,857,963 Fully Paid Ordinary Shares
9,654,186 Restricted Stock Units
Class	Fully Paid Ordinary Shares
Restricted Stock Units
Number acquired	5,724,113 Restricted Stock Units
Number disposed	Nil
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	Nil Consideration
No. of securities held after change	3,857,963 Fully Paid Ordinary Shares
15,378,299 Restricted Stock Units

• 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

Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Allotment of Restricted Stock Units on the terms and conditions approved by shareholders at the Annual General Meeting held on 06 May 2026.

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

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.

Appendix 3Y Page 2

01/01/2011