MEMPHASYS LIMITED. — Director's Dealing 2026

May 24, 2026

Appendix 3X
Initial Director's Interest Notice
Rule 3.19A.1

Appendix 3X

Initial 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 30/9/2001.

Name of entity	Memphasys Limited
ABN	33 120 047 556

We (the entity) give ASX the following information under listing rule 3.19A.1 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	David Raymond Tasker
Date of appointment	19 May 2026

Part 1 - Director's relevant interests in securities of which the director is the registered holder

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.

Number & class of securities
Nil

• See chapter 19 for defined terms.
  11/3/2002
  Appendix 3X Page 1

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Appendix 3X

Initial Director's Interest Notice

Part 2 – Director’s relevant interests in securities of which the director is not the registered holder

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Name of holder & nature of interest	Number & class of Securities
Note: Provide details of the circumstances giving rise to the relevant interest.	51,102,070 Fully Paid Ordinary Shares
Assert Corporate & Investor Relations Pty Ltd.	11,166,666 Unlisted Options Ex. $0.011 Exp. 5 November 2026
Mr Tasker is a Director of the above holder which is a registered holder of the securities.	1,500,000 Unlisted Options Ex. $0.004 Exp. 31 December 2027
	1,500,000 Unlisted Options Ex. $0.005 Exp. 31 December 2027
	1,500,000 Unlisted Options Ex. $0.007 Exp. 31 December 2027

Part 3 – 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
No. and class of securities to which interest relates	N/A

• See chapter 19 for defined terms.

Appendix 3X Page 2

11/3/2002