Contact successfully completes NZ$450m Placement

17 February 2026 NOT FOR DISTRIBUTION OR RELEASE IN THE UNITED STATES Contact successfully completes NZ$450m Placement Contact Energy Limited (Contact) (NZX/ASX:CEN) is pleased to announce that it has successfully completed the bookbuild for the fully underwritten NZ$450 million placement (Placement) of ordinary shares as part of its NZ$525 million equity raise (Equity Raise) announced on 16 February 2026. The Placement was strongly supported by existing shareholders and also attracted significant demand from new international institutional investors. All eligible shareholders who bid for at least their pro-rata allocation of the Placement were allocated at least their pro rata amount of new shares, consistent with Contact’s objective of treating shareholders fairly and prioritising existing holders. Settlement of the Placement is expected to occur on 20 February 2026 for NZX and on 19 February 2026 for ASX. Allotment of new shares issued under the Placement and commencement of trading on the NZX and ASX are expected to occur on 20 February 2026. The new shares will rank equally in all respects with Contact’s existing ordinary shares. Retail Offer As announced on 16 February 2026, Contact is also undertaking a non-underwritten retail offer (Retail Offer) to raise up to NZ$75 million, with the ability to accept oversubscriptions at Contact’s discretion. A Retail Offer document will be available online at www.contactshareoffer.co.nz from the opening of the Retail Offer on 19 February. All eligible shareholders are encouraged to visit that website and read all of the materials available or referred to on it (including the offer document, investor presentation and market announcement published by Contact on 16 February 2026) before making a decision whether to apply online. Eligible shareholders who wish to participate in the Retail Offer should apply online from 19 February 2026. Key dates for the Retail Offer are set out in the Appendix to this announcement. - 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 Key dates [See table in attached release] The above timetable and all dates are indicative only and subject to change (subject to NZX Listing Rules, ASX Listing Rules and applicable laws). NOT FOR DISTRIBUTION OR RELEASE IN THE UNITED STATES This announcement has been prepared for publication in New Zealand and Australia and may not be released or distributed in the United States. This announcement does not constitute an offer, invitation or recommendation to subscribe for or purchase any security or financial product and neither this announcement nor anything attached to this announcement shall form the basis of any contract or commitment. In particular, this announcement does not constitute an offer to sell, or the solicitation of an offer to buy, securities in the United States or any other jurisdiction in which such an offer or solicitation would be illegal. Any securities described in this announcement have not been, and will not be, registered under the U.S. Securities Act of 1933, as amended (the “U.S. Securities Act”) or the securities laws of any state or other jurisdiction of the United States and may not be offered or sold, directly or indirectly, in the United States except in transactions exempt from, or not subject to, the registration requirements of the U.S. Securities Act and the securities laws of any state or other jurisdiction of the United States. The shares to be offered and sold in the Retail Offer may only be offered and sold outside the United States in “offshore transactions” (as defined in Rule 902(h) under the U.S. Securities Act) in reliance on Regulation S under the U.S. Securities Act. You must not send copies of this announcement or any other material relating to the Equity Raise to any person in the United States or elsewhere outside New Zealand and Australia. The release, publication or distribution of this announcement (including an electronic copy) outside New Zealand and Australia may be restricted by law. If you come into possession of this announcement, you should observe such restrictions. Any non-compliance with these restrictions may contravene applicable securities laws. Important Notice This announcement does not constitute investment or financial product advice, nor is it a recommendation to acquire securities. It is not intended to be used as the basis for making a financial decision, nor is it intended to constitute legal, tax, accounting or other advice. You should make your own enquiries and investigations regarding any investment, and should seek your own professional advice on the legal, financial, accounting, taxation and other consequences of investing in Contact. This announcement is not a prospectus, product disclosure statement or any other disclosure or offering document under New Zealand law, Australian law or any other law. This announcement is for information purposes only and is not an invitation or offer of securities for subscription, purchase or sale in any jurisdiction and neither this announcement nor anything in it shall form any part of any contract for the acquisition of securities.