Announcement PDF For more information, please join ABx Group’s interactive Investor Hub ABx Group Limited Suite 2, Level 11, 385 Bourke St, Melbourne VIC 3000, Australia ABN 14 139 494 885 |P: +61 3 9692 7222 | F: +61 2 9956 7355 Change of Auditor ABx Group Limited (ASX:ABX) (“ABx” or “the Company”) advises that in accordance with Listing Rule 3.16.3, that shareholders approved the removal of K.S. Black & Co. (“KS Black”) as auditor of the Company and the appointment of PKF Melbourne Audit & Assurance Pty Ltd (“PKF”) as auditor of the Company at the Company’s Annual General Meeting held today, Tuesday 26 May 2026. Accordingly, KS Black ceased to hold office as auditor of the Company at the close of the Meeting and PKF was appointed as auditor of the Company effective from the close of the Meeting. This announcement is approved for release by the board of ABx Group Limited. Go to the ABx Investor Hub to ask any questions of management. For further information please contact: Dr Mark Cooksey MD & CEO ABx Group +61 447 201 536 mcooksey@abxgroup.com.au www.abxgroup.com.au Media Chapter One Advisors David Tasker / Alex Baker +61 433 112 936 / +61 432 801 745 dtasker@chapteroneadvisors.com.au / abaker@chapteroneadvisors.com.au ASX Announcement 26 May 2026 ASX: ABX