AUSSIE BROADBAND LIMITED — Director's Dealing 2025

Jun 1, 2025

Market Announcement Office ASX Limited Level 50, Rialto South Tower 525 Collins Street MELBOURNE VIC 3000

By electronic lodgement

Appendix 3Y – Change of Director’s Interest Notice for Phillip Britt

Aussie Broadband Limited ( ASX:ABB ) (" Aussie Broadband " or " the Company ") wishes to advise that Non-Executive Director, Phillip Britt, has sold 400,000 shares in the Company on 29 May 2025.

The disposal of shares enables Mr Britt to invest in Rural Fibre Co, Mr Britt’s communityoriented wholesale infrastructure fibre provider in Gippsland, Victoria.

Mr Britt remains committed to Aussie Broadband as a Non-Executive Director, Special Technical Advisor, and a large shareholder. As of 2 June 2025, Mr Britt held 14,284,734 million shares, representing a 4.98% holding in the Company.

The Company's trading window is now closed until the business day following the release of its financial results for the financial year ending 30 June 2025 (FY25).

The Appendix 3Y is attached to this announcement. A ceasing of substantial shareholder has been disclosed on the ASX as a separate lodgement.

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	Aussie Broadband Limited
ABN	29 132 090 192

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	Phillip Britt
Date of last notice	13 May 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 & Indirect
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	Phillip Britt is a Director and holds more than 20% of the voting power in Digital Interworks Pty Ltd
Date of change	29 May 2025
No. of securities held prior to change	Digital Interworks Pty Ltd: 13,978,059 ordinary shares Personal name: 706,675 ordinary shares 898,435 options under LTIplan
Class	Ordinary Shares
Number acquired	Nil
Number disposed	400,000 ordinary shares

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Average price of $4.066 per share
No. of securities held after change	Digital Interworks Pty Ltd: 13,578,059 ordinary shares Personal name: 706,675 ordinary shares 898,435 options under LTI plan
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy- back	On-market trade.

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	Diversified Asset Loan Agreement and supporting security agreements (Loan)
Nature of interest	Digital Interworks Pty Ltd has entered the Loan with Australia and New Zealand Banking Group Limited (ANZ) to provide funding for the previously disclosed community-focused fibre venture being undertaken by Phillip Britt and/or companies owned by Phillip Britt in the Gippsland region. The Loan provides (among other assets) 4,500,000 ABB ordinary shares owned by Digital Interworks Pty Ltd as security pursuant to the terms of the Loan. The terms of the Loan include certain financial covenants that can result in the disposal of the shares provided as security in the event that the financial covenants are subject to breaches that are not cured within required time limits. Any breaches may be cured through a range of mechanisms including provision of additional security, provision of additional funding or reduction of the loan amount.
Name of registered holder (if issued securities)	Digital Interworks Pty Ltd
Date of change	No change to contract. Details of contract and nature of interest previously disclosed on 25 March 2025.

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

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	Refer to “Nature of interest” above.
Interest after change	Refer to “Nature of interest” above. 13,578,059 ordinary shares continue to be held by Digital Interworks Pty Ltd.

Part 3 –[+] Closed period

Part 3 –+Closedperiod
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