Quotation Notice - Transpower New Zealand Ltd ("TRP110")

QUOTATION NOTICE: NZX DEBT MARKET TRANSPOWER NEW ZEALAND LIMITED (“TRP110”) BONDS Company: Transpower New Zealand Limited (“TRP”) Security Code: TRP110 ISIN: NZTRPD0110L3 Details of Issue: NZ$100 million of unsecured, unsubordinated, fixed rate green bonds Offer Opening Date: Tuesday, 22 July 2025 Offer Closing Date: Thursday, 24 July 2025 Maturity Date: Wednesday, 31 July 2030 Interest Rate: 4.219% per annum Interest Payment Dates: 31 January and 31 July in each year up to and including the Maturity Date Date of First Interest Payment: Saturday, 31 January 2026. Since Payment Date falls on a non business day, first interest payment will be made on Monday, 2 February 2026 First Interest Paid To: Holder on Record Date Record Date: 10 calendar days before the relevant Interest Payment Date, or if that date is not a Business Day, the immediately preceding Business Day Minimum Application Amount: NZ$5,000 and in multiples of NZ$1,000 thereafter Minimum Holding: NZ$5,000 and in multiples of NZ$1,000 thereafter Minimum Transferable Amount: NZ$1,000 Face Value: NZ$1.00 per Bond Supervisor: The New Zealand Guardian Trust Company Limited Lead Manager: Westpac Banking Corporation (ABN 33 007 457 141) (acting through its New Zealand branch) Trust Deed Dated: Master Trust Deed dated 18 March 2011 (as amended and restated from time to time including most recently on 22 February 2018) as modified and supplemented by supplemental trust deed (no. 14) dated 18 July 2025 Registrar: MUFG Pension & Market Services (NZ) Limited Settlement Status: NZCDC Settlement System Issue Date: Thursday, 31 July 2025 Expected Commencement of Trading on the NZX Debt Market: Friday, 1 August 2025 Mark Peterson Chief Executive Officer NZX Limited 25 07 2025