Capital Change Notice

Attached is a Capital Change Notice in respect of an issue of unquoted performance share rights pursuant to Mercury’s FY27–FY29 Long Term Incentive Plan. 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 Communications 09 282 1158 mercurycommunications@mercury.co.nz