Capital Change Notice

27/08/2026 14:08 NZST, SECISSUE

Attached is a Capital Change Notice in respect of the issue of Performance Share Rights under the Mercury NZ Limited – Share Rights Plan Rules in connection with the FY26 Short 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