ARDEA RESOURCES LIMITED — Director's Dealing 2026

Mar 16, 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 Ardea Resources Limited ABN 30 614 289 342

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	Norman Mathew Longworth
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	Direct or indirect interest	Direct and Indirect	Direct and Indirect	Direct and Indirect
	Nature of indirect interest(including registered holder)Note: Provide details of the circumstances giving rise to the relevantinterest.		Mat Mining Pty Ltd <ATF The LongworthSuperannuation Fund> - Director, trusteeand beneficiary
			16 March 2025
	Date of change		16 Ma	rch 2025
	No. of securities held prior to change		986,4150,0	28 Fully Paid Ordinary Shares00 Class P Performance Rights
			150,0150,0150,0150,0	00 Class Q Performance Rights00 Class T Performance Rights00 Class U Performance Rights00 Class V Performance Rights
			150,0	00 Class W Performance Rights
	Class		Fully	Paid Ordinary Shares
	Number acquired		50,000
	Number disposed		Nil
	Value/ConsiderationNote: If consideration is non-cash, provide details and estimatedvaluation		$28,598

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

No. of securities held after change	1,036,428 Fully Paid Ordinary Shares150,000 Class P Performance Rights150,000 Class Q Performance Rights150,000 Class T Performance Rights150,000 Class U Performance Rights150,000 Class V Performance Rights150,000 Class W Performance Rights
Nature of changeExample: on-market trade, off-market trade, exercise of options, issueof securities under dividend reinvestment plan, participation in buy-back	On Market Share purchase

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	Nil
Nature of interest
Name of registered holder(if issued securities)
Date of change
No. and class of securities to whichinterest related prior to changeNote: Details are only required for a contract inrelation to which the interest has changed
Interest acquired
Interest disposed
Value/ConsiderationNote: If consideration is non-cash, provide detailsand an estimated valuation
Interest after change

Part 3 –[+] Closed period

Interest after changePart 3 –+Closed period
Were the interests in the securities or contracts detailedabove traded during a+closed period where prior writtenclearance was required?	No
If so, was prior written clearance provided to allow thetrade to proceed during this period?	N/a
If prior written clearance was provided, on what date wasthis provided?	N/a

Date of Notice: 17 March 2026

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011