Spark SPK 30 Strategy Presentation – 11 September 2025

MARKET RELEASE – Friday, 29 August 2025 Spark SPK 30 Strategy Presentation – 11 September 2025 Spark New Zealand will provide a presentation to investors and analysts of its new five year strategy (SPK 30) on Thursday 11 September 2025 at 1:00pm –4:30pm including Q&A The presentation can be accessed live via webcast with the ability to ask questions through the online platform. Use the following link to register by completing the details requested and then access the webcast: https://edge.media-server.com/mmc/p/fjt8dwzo Please note the webcast will be available on Spark’s investor centre website for replay following the event. ENDS Authorised by: Rodney Deacon Finance Lead Partner – Investor Relations and 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 and Commercial (64) 21 631 074 rodney.deacon@spark.co.nz