Executive leadership team change

Mercury today announced that Chief Strategy and Transformation Officer, Craig Neustroski, has resigned and will leave the company at the end of July 2026. Chief Executive Stew Hamilton said Mr Neustroski had made a significant contribution over his five years with Mercury, and throughout his long career with Trustpower. "Craig has made an outstanding and positive contribution to Mercury. He has played a key leadership role, most notably leading the successful Trustpower integration with Mercury that created New Zealand's largest electricity retailer. We thank Craig and wish him the very best for the future." ENDS Howard Thomas General Counsel and Company Secretary Mercury NZ Limited For investor relations queries, please contact: Paul Ruediger Head of Business Performance & Investor Relations 027 517 3470 investor@mercury.co.nz For media inquiries, please contact: Catherine Morab External Communications Manager 09 282 1158 mercurycommunications@mercury.co.nz