Investor Presentaiton

Electricity production KPIs *TERNA ENERGY Highly diversified and visible revenue mix due to healthy lifetime of assets under operation Installed Capacity Split by Country GE K TERNA GROUP December 2019 MW December 2020 Installed Under capacity construction Ready to start construction Visible Pipeline 728 360 c. 69 c.1,200 30 102 102 30 ■ Greece 607 ■ USA 1,390 MW 1,373 MW ■ Poland 513 728 651 ■ Bulgaria Changes in Installed Capacity (vs.2019) ■ Sale of Mountain Air Wind Park (138 MW) in Idaho, US Commissioning of 120MW in Greece 513 102 30 Total 1,373 360 3GW 69 1,200

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