EXHBIT 99.3

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 NOVONIX LIMITED

ABN 54 157 690 830

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	RON EDMONDS
Date of last notice	29 April 2024

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.	N/A
Date of change	2 September 2024
No. of securities held prior to change	175,154 Share rights
Class	Ordinary shares
Number acquired	65,405 ordinary shares
Number disposed	65,405 Share rights
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Non-cash – Issue of shares on the vesting of Share Rights.

+ See chapter 19 for defined terms.

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Appendix 3Y

Change of Director’s Interest Notice

No. of securities held after change	65,405 Ordinary shares 109,749 Share rights
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 shares on the vesting of Share Rights.

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

+ 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?
If prior written clearance was provided, on what date was this provided?

+ See chapter 19 for defined terms.

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