Contact Energy 2026 Half Year Results Presentation

2 February 2026 Contact Energy 2026 Half Year Results Presentation Contact’s Chief Executive, Mike Fuge, and Chief Financial Officer, Matt Forbes, will make a presentation for analysts, investors, and media on Contact’s Half Year 2026 Financial Results for the six months ended 31 December 2025. Date: Monday 16 February 2026 Time: 11.00a.m. NZST. Live Webcast link: Participants may register for the webinar/meeting at the following link: Contact Energy 2026 Half Year Results Presentation | Meeting-Join | Microsoft Teams Registration will require you to fill out some basic information including, your name, email address, organisation name, and title. After registering, you will receive a confirmation email containing information about joining the webinar/meeting. Q&A: At the end of the formal presentation Contact invites verbal questions from attendees. For the Q&A, attendees will be required to raise their (virtual) hand if they wish to ask a question. This will place you in the 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 webcast. However, this will be subject to availability of time. A replay of the results briefing will also be available at: https://contact.co.nz/aboutus/investor-centre once the event has concluded. For further information please contact: Investor enquiries Shelley Hollingsworth Head of Strategy and Investor Relations +64 27 227 2429 investor.centre@contactenergy.co.nz Media enquiries Louise Wright Head of Communications and Reputation +64 21 840 313 media@contactenergy.co.nz