Spark New Zealand Limited FY26 Results

MARKET RELEASE – Thursday, 20 August 2026 Spark New Zealand Limited FY26 Results In accordance with the NZX Listing Rules, Spark New Zealand releases the following to the market in relation to Spark New Zealand Limited’s FY26 results: 1. Market Release 2. Results Announcement 3. Distribution Notice 4. Annual Report 5. Investor Presentation 6. Detailed Financial Information 7. Annual Corporate Governance Statement 8. Modern Slavery and Human Rights Statement 9. Climate-related Disclosures Report Spark New Zealand’s Chief Executive, Jolie Hodson, and Chief Financial Officer, Stewart Taylor, will discuss the FY26 Results at 11:00am New Zealand time today. The presentation can be accessed in two ways: 1. Live via webcast for all investors and analysts in “listen-only” mode Use the following link to access the webcast and complete the details requested: https://ccmediaframe.com/?id=GsccJoMQ 2. Live via conference call for analysts and investors who wish to ask questions in the call Use the following link and register your name and email address https://s1.c-conf.com/diamondpass/10055664-1pdesd.html After registering you will be sent an email confirming the phone number you can use to dial into the call from your location, and a unique PIN number to grant you access. Please note the webcast will be archived and made available for replay on Spark’s Investor Centre Website: https://investors.sparknz.co.nz/Investor-Centre/ ASX Appendix 3A.1 will follow this release. ENDS Authorised by: Rodney Deacon Finance Lead Partner – Investor Relations & Commercial For more information contact For media queries please contact: Althea Lovell Corporate Relations Lead Partner +64 21 222 2992 althea.lovell@spark.co.nz For investor queries please contact: Rodney Deacon Finance Lead Partner – Investor Relations & Commercial +64 21 631 074 Rodney.Deacon@spark.co.nz