Notice of Annual Shareholders’ Meeting

31 August 2021 - Notice of Annual Shareholders' Meeting 2021 The following materials relating to Mercury's 2021 Annual Shareholders' Meeting are shortly being sent to Mercury Shareholders: - Notice of Meeting 2021 - Voting/Proxy Form 2021 - Mercury NZ Limited non-executive directors' fees benchmarking summary report from PwC dated 10 June 2021 - Virtual Meeting Guide 2021 Because of the COVID-19 pandemic, we will be holding the meeting online only. We apologise for this, but due to the Alert Level Restrictions in place on the date of this notice, uncertainty as to how and when these restrictions may change, and the potential risks to the health of the meeting attendees, we believe this is in everyone's best interests. ENDS For investor relations queries, please contact: Tim Thompson Head of Treasury and Investor Relations 0275 173 470 For media queries, please contact: Shannon Goldstone Head of Communications 027 210 5337 media@mercury.co.nz Attachments: - Notice of Meeting 2021 - Voting/Proxy Form 2021 - Mercury NZ Limited non-executive directors' fees benchmarking summary report from PwC dated 10 June 2021 - Virtual Meeting Guide 2021 End CA:00378285 For:MCY Type:MEETING Time:2021-08-31 14:29:58