Contact green Capital Bond offer closes

5 November 2026 Contact green Capital Bond offer closes Contact Energy Limited’s offer of unsecured, subordinated, redeemable, cumulative, interest-bearing green capital bonds (Capital Bonds) (the Offer) closed today following a successful bookbuild, with $350million ($125million of oversubscriptions) of Capital Bonds allocated to the bookbuild participants and their clients. The Initial Margin for the Capital Bonds has been set at 1.70% per annum. The Interest Rate that will apply until the First Reset Date (19 May 2032) will be announced later today, and the final terms sheet will be released shortly after that. The bookbuild saw strong demand across both retail and institutional investors, with total demand of over $790 million at the Initial Margin, representing approximately 2.3 times coverage of the Offer size (inclusive of oversubscriptions). The Capital Bonds are expected to be issued on 19 November 2026 and quoted on the NZX Debt Market on 20 November 2026. Details of the Offer and the Capital Bonds are contained in the PDS, which is available on the Disclose register at www.disclose-register.companiesoffice.govt.nz (offer number OFR15288) and at www.contact.co.nz/capitalbondoffer For further details investors can contact one of the Joint Lead Managers or their usual financial adviser. Arranger and Joint Lead Manager Forsyth Barr Capital Markets Limited Joint Lead Managers Bank of New Zealand Craigs Investment Partners Limited ENDS 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