SCIDEV LTD — Director's Dealing 2026

May 25, 2026

Appendix 3Z
Final Director's Interest Notice
Rule 3.19A.3

Appendix 3Z

Final 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	SciDev Ltd
ABN	25 001 150 849

We (the entity) give ASX the following information under listing rule 3.19A.3 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of director	Seán Halpin
Date of last notice	27 February 2026
Date that director ceased to be director	26 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

1,303,538 Performance Rights to be tested for vesting 2026
760,870 Performance Rights to be tested for vesting 2027
1,803,623 Performance Rights to be tested for vesting 2028

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

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Appendix 3Z

Final Director's Interest Notice

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

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.

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
Note: Provide details of the circumstances giving rise to the relevant interest | Number & class of securities |
| --- | --- |
| Haldon Waste Pty Ltd | 2,287,500 |
| Halpin Investments Tc Pty Ltd
) | 1,200,000 |

Part 3 – Director’s interests in contracts

Detail of contract	N/A
Nature of interest
Name of registered holder (if issued securities)
No. and class of securities to which interest relates

• See chapter 19 for defined terms.

Appendix 3Z Page 2

11/3/2002