Notification of issue of CIP warrants

STOCK EXCHANGE ANNOUNCEMENT 4 June 2025 Notification of issue of CIP warrants Chorus Limited has issued further Crown Infrastructure Partners (CIP) warrants as per the attached notice. Authorised by: Drew Davies Chief Operating Officer ENDS For further information: Brett Jackson Investor Relations Manager Phone: +64 4 896 4039 Mobile: +64 (27) 488 7808 Email: brett.jackson@chorus.co.nz Nathan Beaumont Head of Corporate Relations Phone: +64 (4) 896 4352 Email. Nathan.Beaumont@chorus.co.nz