Meridian Energy monthly operating report for April 2023

Attached is Meridian Energy Limited's monthly operating report for the month of April 2023. Highlights this month include: ? In the month to 8 May 2023, national hydro storage increased from 119% to 121% of historical average ? South Island storage increased to 111% of average and North Island storage increased to 197% of average by 8 May 2023 ? Meridian's April 2023 monthly total inflows were 73% of historical average ? Waiau catchment inflows in April 2023 were 51% of historical average ? Meridian's Waitaki catchment water storage at the end of April 2023 was 115% of historical average ? Water storage in Meridian's Waiau catchment was 61% of average at the end of April 2023 ? National electricity demand in April 2023 was 0.3% lower than the same month last year ? April 2023 saw variable rainfall across both the North and South Islands. Above average temperatures were recorded in almost all parts of the country ? New Zealand Aluminium Smelter's average load during April 2023 was 571MW ? Meridian's retail sales volumes in April 2023 were 2.7% lower than April 2022 ? Compared to April 2022, segment sales increased in residential +1.8%, small medium business +1.8% and large business +15.2%. Sales decreased in agricultural -19.7% and corporate -3.4% End CA:00411306 For:MEL Type:MKTUPDTE Time:2023-05-12 08:30:36