ARDIDEN LTD — Director's Dealing 2026

Apr 6, 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	Ardiden Ltd
ABN	82 110 884 252

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	Tara Robson
Date of last notice	10 Feb 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
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.
Date of change	4/4/26
No. of securities held prior to change	Direct 29,534 fully paid ordinary shares 174,418 Option Expiring 13-Jun-2027 Ex $0.43; 116,279 Options Expiring 4 Apr 2026 Ex $0.946 and 1,000,000 Tranche D Performance Rights expiring 22 Jan 2027 1,000,000 Tranche E Performance Rights expiring 22 Jan 2029 Indirect(held by Ken Robson, spouse) 49,950fully paid ordinary shares

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Class	ADVAF Options Expiring 4 Apr 2026 Ex $0.946
Number acquired	NIL
Number disposed	116,279
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	N/A
No. of securities held after change	Direct 29,534 fully paid ordinary shares 174,418 Option Expiring 13-Jun-2027 Ex $0.43; 1,000,000 Tranche D Performance Rights expiring 22 Jan 2027 1,000,000 Tranche E Performance Rights expiring 22 Jan 2029 Indirect 49,950 fully paid ordinary shares
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy- back	Expiry without exercise

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 Nature of interest Name of registered holder (if issued securities) Date of change

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 2

Appendix 3Y Change of Director’s Interest Notice

==> picture [434 x 179] intentionally omitted <==

----- Start of picture text -----

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

Part 3 –[+] Closed period

Were the interests in the securities or contracts detailed No above traded during a[+] closed period where prior written clearance was required? 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