Notice of Annual General Meeting/Proxy Form

Dear Investors,

We are pleased to announce the upcoming Annual General Meeting of Carbonxt Group Limited, scheduled for 24 November 2025 at 11:00 am (AEDT). The meeting will be held both in person at Level 37, 180 George Street, Sydney NSW 2000, and online via a dedicated platform. Shareholders are encouraged to participate and can find further details in section 2.4 of the Notice.

In preparation for the meeting, we urge Shareholders to review the Notice of Meeting in its entirety and seek advice from their professional advisors if needed. For any inquiries or assistance, please contact Boardroom at 1300 737 760 (within Australia) or +61 2 9290 9600 (outside Australia).

The document also includes a Chairman's Letter, an Explanatory Statement, and a Glossary of defined terms for reference. Key dates to note are the due date of Proxy Forms on 22 November 2025 and the AGM on 24 November 2025.

We invite you to engage with us by asking any questions you may have regarding the AGM or other related matters. Thank you for your continued support.

Sincerely,

Carbonxt Group Limited Management