RIVCO AUSTRALIA LTD — Director's Dealing 2026

May 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	Rivco Australia Limited
ABN	611 976 517

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	Stephen Duerden
Date of last notice	24 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.	Duxton Capital Investments Pty Ltd, of which Mr Duerden is a director.
Merlion Investments Pty Ltd, of which Mr Duerden is a director.
Duerden Family A/C, of which Mr Duerden is a beneficiary of the trust.
Date of change	30 April 2026

• 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

| No. of securities held prior to change | Direct
59,801 Fully Paid Ordinary Shares
13,465 Bonus Options

Indirect
67,287 Fully Paid Ordinary Shares (Duerden Family A/C)
15,151 Bonus Options

391,768 Fully Paid Ordinary Shares (Merlion Investments Pty Ltd)

Duxton Capital Investments Pty Ltd
163,712 Bonus Options |
| --- | --- |
| Class | Fully Paid Ordinary Shares |
| Number acquired | Direct – 1,524 Fully Paid Ordinary Shares
Indirect (Duerden Family A/C) – 1,714 Fully Paid Ordinary Shares |
| Number disposed | Nil |
| Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation | $4,727.48 ($1.46 per share) |
| No. of securities held after change | Direct
61,325 Fully Paid Ordinary Shares
13,465 Bonus Options

Indirect
69,001 Fully Paid Ordinary Shares (Duerden Family A/C)
15,151 Bonus Options

391,768 Fully Paid Ordinary Shares (Merlion Investments Pty Ltd)

Duxton Capital Investments Pty Ltd
163,712 Bonus Options |
| Nature of change
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back | Issue of securities under dividend reinvestment plan |

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.

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

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Appendix 3Y
Change of Director's Interest Notice

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.

01/01/2011 Appendix 3Y Page 3