ATOMOS LIMITED — Major Shareholding Notification 2026

Mar 4, 2026

Appendix to Form 604 – Notice of Change in Interests of Substantial

Holder

This appendix accompanies the Form 604 submitted to the ASX and provides additional details regarding the aggregated voting power of an associate group in accordance with section 671B of the Corporations Act 2001. This associate group has previously not been disclosed correctly.

1. Associate Group Details

Entity

Role / Relationship

Domazet FT 3 Pty Ltd as trustee for the Domazet Family Trust No 3

Associate – Voting power aggregated pursuant to s12 Corporations Act

Doma Investments (ACT) Pty Ltd as trustee for Ivan Homes Superannuation Benefits Trust No 2

Associate – Voting power aggregated pursuant to s12 Corporations Act

Joshn Equities Pty Ltd as trustee for Joshn Equities Trust

Associate – Voting power aggregated pursuant to s12 Corporations Act

2. Aggregated Voting Power

The associate group identified above collectively holds voting power in the company calculated in accordance with section 610 of the Corporations Act 2001. The aggregated voting power is as follows:

follows:
_Description _	Voting Power %
Previous voting powerpriortorightsissue	19.75%
Current voting power	21.74%
Net change	1.99%

3. Reliance on the 3% Creep Exception (Section 611, Item 9)

The increase in voting power disclosed in the accompanying Form 604 has been made in reliance on the 3% creep exception permitted under item 9 of section 611 of the Corporations Act 2001.

Under this exception, a person who has held at least 19% voting power for a continuous period of at least six months may acquire up to an additional 3% voting power every six months without triggering the mandatory takeover provisions in section 606.

The associate group has complied with statutory requirements, including:

• Maintaining voting power above 19% for the relevant six‑month period;

• Ensuring the net acquisition does not exceed 3% within that period;

4. Confirmation

The associate group confirms that the information in this appendix is accurate and complete and should be read together with the lodged Form 604.