Announcement PDF ASX RELEASE 17 September 2026 Carbonxt Group Limited | Level 37, 180 George Street, Sydney NSW 2000 ASX: CG1 | E info@cglimited.com.au | P +61(0) 413 841 216 CARBONXT.COM Board Change – Resignation of Director HIGHLIGHTS Carbonxt Group Ltd (ASX: CG1) (Carbonxt or the Company) advises that Mr. David Mazyck has resigned from the Board as a Director, effective immediately. David will continue as a consultant with the Company. This announcement has been authorised for release by the Board of Directors. - ENDS - Enquiries Warren Murphy Mark Flynn Managing Director | Carbonxt Limited Investor Relations | irX Advisors P +61 413 841 216 P +61 416 068 733 E w.murphy@carbonxt.com E mark.flynn@irxadvisors.com About Carbonxt Carbonxt (ASX:CG1) is a cleantech company that develops, and markets specialised Activated Carbon products, focused on the capture of contaminants in industrial processes that emit substantial amounts of harmful pollutants. The Company produces and manufactures Powdered Activated Carbon and Activated Carbon pellets for use in industrial air purification, wastewater treatment and other liquid and gas phase markets.