Appointment of Independent Directors

NZX Announcement NZX: SPN: South Port New Zealand 13 February 2026 Appointment of Independent Directors South Port New Zealand Limited announces the appointment of two new Independent Directors, undertaken as part of the Board’s succession planning process and to address the vacancy created by the resignation of Michelle Henderson. The Board confirmed these appointments are to take effect upon the closure of the Board meeting held this morning. Appointment of Mr Peter Barker Mr Barker brings extensive directorial and executive experience across finance, risk management, corporate structuring (including mergers, acquisitions and divestments), and systems transformation within complex multi jurisdictional environments. His career spans the engineering, services and technology sectors. He is currently a Director of Downer (EDI) Limited, and former director of the Workpac Group and Mastermyne Group Limited. Mr Barker is a member and graduate of the AICD, a Fellow of CPA Australia, holds an MBA from Heriot Watt University, and is a graduate of the Wharton School’s Advanced Management Program. Appointment of Mrs Jacqui Nelson Mrs Nelson has more than 20 years’ experience in the energy sector and has been a key contributor to Contact Energy’s executive leadership team in governance, risk management, operation leadership, organisational and cultural transformation, and finance. She has 10 years of governance experience as both a Director and Chair and is currently an Independent Director for Todd Corporation. Mrs Nelson is a member of the Institute of Directors, the Institute of Financial Professionals NZ Inc, Global Women, and the New Zealand Geothermal Association. The Board has determined that both Mr Barker and Mrs Nelson are Independent Directors in accordance with the NZX Listing Rules. Both appointees will stand for election by shareholders at the 29 October 2026 Annual Shareholders’ Meeting. For further information contact: Mr Nigel Gear Chief Executive South Port New Zealand Ltd Tel: (03) 212 8159 Email: ngear@southport.co.nz Mr Philip Cory-Wright Chair South Port New Zealand Ltd Mobile: 021 767 828 Email: philip@cory-wright.co.nz