Amendments to Bond Trust Deeds

Mercury NZ Limited will amend the following supplemental trust deeds in relation to its capital bonds: > the supplemental trust deed dated 12 June 2019 in relation to the capital bonds with the NZX ticker code MCY020; and > the supplemental trust deed dated 2 May 2022 in relation to the capital bonds with the NZX ticker code MCY050. The amendments will allow a notice of redemption of the relevant capital bonds to be made via NZX with no less than nine business days’ notice. 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.conz For media queries, please contact: Shannon Goldstone Reputation and Social Impact Lead 027 210 5337 mercurycommunications@mercury.co.nz