Cleansing Notice - Capital Bond offer

22 October 2026 Notice pursuant to regulation 49G(2)(e) of the Financial Markets Conduct Regulations 2014 Contact Energy Limited (Contact) gives notice under regulation 49G(2)(e) of the Financial Markets Conduct Regulations 2014 (FMC Regulations) that it proposes to make an offer for the issue of unsecured, subordinated, redeemable, interest-bearing, green capital bonds (Capital Bonds). Short-form disclosure is being used for the offer of the Capital Bonds, as they will rank: (a) in priority to Contact's existing ordinary shares quoted on the NZX Main Board under the ticker code CEN; and (b) equally with Contact's existing CEN090 capital bonds quoted on the NZX Debt Market. The existing quoted products have been continuously quoted on the NZX Main Board over the preceding three months and trading has not been suspended for a total of more than five trading days during that three month period. As at the date of this notice, Contact is in compliance with: (a) the continuous disclosure obligations that apply to it in relation to its existing ordinary shares quoted on the NZX Main Board; and (b) its financial reporting obligations (as defined in regulation 49H(7) of the FMC Regulations). As at the date of this notice, there is no information that is “excluded information” required to be disclosed for the purposes of regulation 49H(2)(e) of the FMC Regulations. 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