RIVCO AUSTRALIA LTD — Director's Dealing 2026

May 14, 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	Brendan Rinaldi
Date of last notice	24 June 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
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.	-
Date of change	10 May 2026
No. of securities held prior to change	Direct
22,500 Fully Paid Ordinary Shares
3,125 Bonus Options
Class	RIVOA: Option Expiring 10-May-2026
Number acquired	Nil
Number disposed	3,125 Options
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	Nil

• 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 | Direct
22,500 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 | Lapse of Options, not exercised. |

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	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.

Appendix 3Y Page 2

01/01/2011

---

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	7 May 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	10 May 2026

• 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 prior to 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 |
| --- | --- |
| Class | RIVOA: Option Expiring 10-May-2026 |
| Number acquired | Nil |
| Number disposed | Direct – 13,465 Options
Indirect
• 15,151 Options (Duerden Family A/C)
• 163,712 Options (Duxton Capital Investments Pty Ltd |
| Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation | Nil |
| No. of securities held after change | Direct
61,325 Fully Paid Ordinary Shares

Indirect
69,001 Fully Paid Ordinary Shares (Duerden Family A/C)

391,768 Fully Paid Ordinary Shares (Merlion Investments Pty Ltd) |
| Nature of change
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back | Lapse of Options, not exercised. |

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

---

Appendix 3Y

Change of Director's Interest Notice

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	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

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	Vivienne Brand
Date of last notice	16 November 2023

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 & Indirect
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.	Vivienne Margaret Brand & Robert Andrew Chalmers
Dr Brand is a Trustee
Date of change	10 May 2026
No. of securities held prior to change	Direct
1,953 Fully Paid Ordinary Shares
489 Bonus Options
Indirect
9,375 Fully Paid Ordinary Shares
2,344 Bonus Options
Class	RIVOA: Option Expiring 10-May-2026
Number acquired	Nil

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

---

Appendix 3Y

Change of Director's Interest Notice

| Number disposed | Direct – 489 Bonus Options
Indirect – 2,344 Bonus Options |
| --- | --- |
| Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation | Nil |
| No. of securities held after change | Direct
1,953 Fully Paid Ordinary Shares

Indirect
9,375 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 | Lapse of Options, not exercised. |

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	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

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

---

Appendix 3Y
Change of Director's Interest Notice

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

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	Christopher Larsen
Date of last notice	27 November 2025 (Appendix 3X)

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	Indirect
Nature of indirect interest (including registered holder)
Note: Provide details of the circumstances giving rise to the relevant interest.	Larsen Family Pty Ltd
Mr Larsen is a Trustee
Date of change	10 May 2026
No. of securities held prior to change	Indirect
1,000 RIVOA: Option Expiring 10-May-2026
Class	RIVOA: Option Expiring 10-May-2026
Number acquired	Nil
Number disposed	1,000 Options
Value/Consideration
Note: If consideration is non-cash, provide details and estimated valuation	Nil

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

---

Appendix 3Y

Change of Director's Interest Notice

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	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.

Appendix 3Y Page 2

01/01/2011