Meridian Energy monthly operating report for July 2021

Attached is Meridian Energy Limited's monthly operating report for the month of July 2021. Highlights this month include: ? In the month to 11 August 2021, national hydro storage increased from 92% to 103% of historical average ? South Island storage increased to 111% of average and North Island storage increased to 72% of average by 11 August 2021 ? Meridian's July 2021 monthly total inflows were 156% of historical average ? Meridian's Waitaki catchment water storage at the end of July 2021 was 111% of historical average ? Water storage in Meridian's Waiau catchment was above average at the end of July 2021 ? Waitaki snow storage in early August 2021 was 112% of historical average ? National electricity demand in July 2021 was 0.7% higher than the same month last year ? July 2021 was unseasonably warm with temperatures above average for much of the country. Rainfall was mixed, including above average rainfall in the South Island ? Meridian made calls under the Genesis swaption in early July 2021 ? New Zealand Aluminium Smelter's average load during July 2021 was 566MW ? Meridian's New Zealand retail sales volumes in July 2021 were 13.6% higher than July 2020 ? Compared to July 2020, segment sales increased in residential +10.3%, small medium business +31.4%, agricultural +9.4% and corporate +13.9%. Large business volumes were -10.0% lower than July 2020 End CA:00377175 For:MEL Type:MKTUPDTE Time:2021-08-13 08:30:41