Investor Presentaiton

We are delivering strong operational performance in Networks, on track edp to crystalize value in a high-quality assets' portfolio Strong performance in Network driven by growth, efficiency & digitalization Working on an Asset Rotation business model in Transmission in Brazil Accelerated & sustainable growth Key 1H20 1H21 8 lines: 1.578 km Figures +14% Dist. Volumes (TWh) 37 42 Smart meters (%) (1) +10 p.p. 1.059 km Under construction 47% 57% 519 km In operation OPEX Savings (2) -5% YoY on increased digitalization & lower headcount Viesgo Integration Collective agreement Synergies of track (1) Portugal | (2) OPEX cash recurring on a like-for-like base (ex-growth). Lote 24 (ES) COD: Dez-18 MGTE 100% Lote 11 (MA) 100% Lote 07 (MA) 99,3% COD: Stage 1: Jan-20 Stage 2: Aug-20 COD: Stretch 1: Mar-21 Stretch 2: U/C Lote 21 (SC) COD 92,9% Stretch 1: Jun-21 Stretch 2: U/C Lote 18 (SP-MG) U/C 85% Lote Q (SC-RS) 50,1% COD Stretch 1: May-21 S Stretch 2: U/C Lote MGTE (MA) U/C 35% Lote 1 (AC-RO) New Acquisition U/C Distinctive competencies on development with pipeline execution. ahead of schedule Investor presentation 8

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