Meridian Energy monthly operating report for April 2021

Attached is Meridian Energy Limited's monthly operating report for the month of April 2021. Highlights this month include: - In the month to 14 May 2021, national hydro storage increased from 59% to 67% of historical average - South Island storage increased to 71% of average and North Island storage decreased to 35% of average by 14 May 2021 - Meridian's April 2021 monthly total inflows were 87% of historical average - Meridian's Waitaki catchment water storage at the end of April 2021 was 54% of historical average - Water storage in Meridian's Waiau catchment was below average at the end of April 2021 - National electricity demand in April 2021 was 15.4% higher than the same month last year - April 2021 was warmer and drier than normal for much of the country. Soil moisture levels are in severe deficit in eastern parts of both islands - Meridian made calls under the Genesis swaption in April and May 2021 - Outages have been confirmed out to December 2021 on the Roxburgh-Livingstone line as part of the Clutha Upper Waitaki Lines Project - New Zealand Aluminium Smelter's average load during April 2021 was 567MW - Meridian's New Zealand retail sales volumes in April 2021 were 36.9% higher than April 2020, when the country was in Alert Level 4 lockdown - Compared to April 2020, segment sales increased in: SMB +91.7%, agricultural +63.5%, large business +12.8% and corporate +39.9%. Sales were 2.3% lower in residential End CA:00372341 For:MEL Type:MKTUPDTE Time:2021-05-18 08:30:36