Initial Disclosure Notice

03/09/2026 13:31 NZST, SHINTR3

Attached is an Initial Disclosure Notice for Scott Grady Scoullar.

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