CALIX LIMITED — Director's Dealing 2025

Dec 8, 2025

9 December 2025

==> picture [596 x 69] intentionally omitted <==

Change of Director’s Interest Notice

Sydney, Australia | 9 December 2025 – Australian environmental technology company, Calix Limited (ASX: CXL) (“ Calix ” or “ the Company ”) attaches Appendix 3Y – Change of Director’s Interest Notices for the issue of Director shares to Non-Executive Directors.

The Director Shares have been issued in accordance with the cash fee sacrifice arrangement approved by shareholders at the 2025 Annual General Meeting held on 18 November 2025, applying to FY26 Director fees. The attached notices reflect the updated interests of Alison Deans, Helen Fisher, Sarah Ryan and Peter Dixon.

– ENDS–

This announcement has been authorised for release to the ASX by the Company Secretary.

About Calix

Calix Limited (ASX: CXL) is a technology company creating businesses that solve global challenges in industrial decarbonisation and sustainability.

Calix’s patented core platform technology is being developed for indirect heating of raw materials to enable efficient, precise, flexible and renewably powered metals and minerals processing and capture of unavoidable industrial emissions.

Calix is applying its core technology to the cement, steel, magnesia, alumina, critical minerals and direct air capture industries.

Leveraging its core platform technology and a global network of partners, Calix is urgently developing multiple businesses that deliver positive global impact. Because there’s only one Earth.

Mars is for quitters.

For more information:

Phil Hodgson Darren Charles Managing Director and CEO CFO and Company Secretary

Christineh Grigorian Investor Relations Manager

Investor enquiries

investorrelations@calix.global

Media enquiries media@calix.global

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	Calix Limited
ABN	36 117 372 540

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	Alison Deans
Date of last notice	10 February 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	Indirect
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	Ascog Pty Limited ATF Ascog Family Trust. Alison Deans is a beneficiary.
Date of change	5 December 2025
No. of securities held prior to change	140,000
Class	Fully Paid Ordinary Shares
Number acquired	179,167
Number disposed	-
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	$0.60 per Fully Paid Ordinary Share
No. of securities held after change	319,167

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buyback

Shares issued in lieu of Directors’ fees, following shareholder approval on 18 November 2025.

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 N/A detailed above traded during a[+] closed period where prior written clearance was required? If so, was prior written clearance provided to allow N/A the trade to proceed during this period? If prior written clearance was provided, on what N/A date was this provided?

• 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

Introduced 30/09/01 Amended 01/01/11
Name of entity	Calix Limited
ABN	36 117 372 540

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	Helen Fisher
Date of last notice	10 February 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	Indirect
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	1. HIF Property Holdings Pty Ltd as trustee for the HIF Discretionary Trust 2. Fisher Superfund Pty Ltd Helen Fisher is a beneficiary
Date of change	5 December 2025
No. of securities held prior to change	56,120
Class	Fully Paid Ordinary Shares
Number acquired	112,500
Number disposed	-
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	$0.60 per Fully Paid Ordinary Share
No. of securities held after change	1. 12,500 Fully Paid Ordinary Shares 2. 156,210 Fully Paid Ordinary Shares

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buyback

Shares issued in lieu of Directors’ fees following shareholder approval on 18 November 2025.

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 N/A detailed above traded during a[+] closed period where prior written clearance was required? If so, was prior written clearance provided to allow N/A the trade to proceed during this period? If prior written clearance was provided, on what N/A date was this provided?

• 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	Calix Limited
ABN	36 117 372 540

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	Sarah Ryan
Date of last notice	10 February 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	Indirect
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	Avoch Holdings Pty Ltd Investment A/C> Sarah Ryan is a beneficiary.
Date of change	5 December 2025
No. of securities held prior to change	76,000
Class	Fully Paid Ordinary Shares
Number acquired	112,500
Number disposed	-
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	$0.60 per Fully Paid Ordinary Share
No. of securities held after change	188,500

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buyback

Shares issued in lieu of Directors’ fees following shareholder approval on 18 November 2025.

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 N/A detailed above traded during a[+] closed period where prior written clearance was required? If so, was prior written clearance provided to allow N/A the trade to proceed during this period? If prior written clearance was provided, on what N/A date was this provided?

• 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

Introduced 30/09/01 Amended 01/01/11
Name of entity	Calix Limited
ABN	36 117 372 540

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	Peter Dixon
Date of last notice	10 February 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	Indirect
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	1. Bemelcy Investments Pty Ltd 2. Bemelcy Pty Ltd (as trustee for the Bemelcy Discretionary Trust) Peter Dixon is a beneficiary.
Date of change	5 December 2025
No. of securities held prior to change	1. 48,750 Fully Paid Ordinary Shares 2. 673,412 Fully Paid Ordinary Shares
Class	Fully Paid Ordinary Shares
Number acquired	112,500
Number disposed	-
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	$0.60 per Fully Paid Ordinary Share
No. of securities held after change	1. 48,750 Fully Paid Ordinary Shares 2. 785,912 Fully Paid Ordinary Shares

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buyback

Shares issued in lieu of Directors’ fees following shareholder approval on 18 November 2025.

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 N/A detailed above traded during a[+] closed period where prior written clearance was required? If so, was prior written clearance provided to allow N/A the trade to proceed during this period? If prior written clearance was provided, on what N/A date was this provided?

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011