Tararua Wind Farm Update

19 October 2021 - Following the announcement dated 6 October 2021 of a localised fire at our Tararua Wind Farm, Mercury confirms the return to service of the five adjacent turbines on the same string as the turbine damaged by fire. Investigations continue into the cause of the fire and options for remediating the damaged turbine. 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 Media phone: 027 210 5337 End CA:00381238 For:MCY Type:GENERAL Time:2021-10-19 12:12:51