Interim results presentation details

Mercury’s Chief Executive, Stewart Hamilton, and Chief Financial Officer, William Meek, will give a presentation on the company’s financial, operational and strategic performance for the six months ended 31 December 2024 via a live webinar on Tuesday 25 February 2025 at 11.00am. All shareholders are invited to listen to the live webinar on the FY2025 interim financial results. > DATE: Tuesday, 25 February 2025 > TIME: 11:00 am NZT (1 hour) > LIVE WEBINAR: https://events.teams.microsoft.com/event/8c97871f-7329-4a4b-83db-0ef5f97fba63@864e4889-04a2-416e-9f88-ca5ce1c6c1b7 Participants may register for the webinar at the above link. Registration will require you to fill out some basic information including, your name, email address, organisation name, and job title. After registering, you will receive a confirmation email containing information about joining the webinar. At the end of the formal presentation Mercury will invite verbal questions from attendees. Attendees will be required to raise their (virtual) hand if they wish to ask a question. This will place them in a queue. When invited to ask your question, you will need to unmute your microphone. There will be no chat available for written questions. We will endeavour to address all questions during the webinar. However, this will be subject to availability of time. An email will be sent to shareholders on the day from Chair Scott St John announcing the highlights of Mercury’s FY2025 interim results. 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: Shannon Goldstone Reputation and Social Impact Lead 027 210 5337 mercurycommunications@mercury.co.nz