Notice of annual meeting and proxy/voting form

STOCK EXCHANGE ANNOUNCEMENT 1 October 2025 Notice of annual meeting and proxy/voting form Chorus’ notice of meeting and proxy/voting form to be sent to shareholders are attached. The notice of meeting and proxy/voting form will also be available on Chorus’ website at: https://company.chorus.co.nz/investors/services/your-shareholding/annual-meetings Chorus Limited’s 2025 annual meeting of shareholders will be held as a virtual meeting online through Computershare’s meeting platform https://meetnow.global/nz on Wednesday 5 November at 10am (New Zealand time). All shareholders will be able to participate in the meeting, vote and ask questions. For further information regarding how to attend the annual meeting and participate online, please refer to the attached notice of meeting and the virtual meeting guide available at www.computershare.com/vm-guide-nz. Authorised by: Kristel McMeekin General Counsel ENDS For further information: Aleida White Head of Investor Relations Phone: 64 21 155 8837 Email: aleida.white@chorus.co.nz Victoria Luong Media and engagement advisor Phone 64 22 490 2591 Email: Victoria.Luong@chorus.co.nz