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RESULTADOS 1º TRIMESTRE DE 2021 V Energisa S / A Cataguases , May 13 , 2021 The Management of Energisa S / A ( “ Energisa " or " Company " ) hereby presents its results for the first quarter ( 1Q21 ) . Quick Facts ✓ ✓ Energy sales ( captive sales + TUSD ) contracted by 0.8 % in 1Q21 on 1Q20 to 9,179.3 GWh , despite the positive performance of the industrial and rural sectors ; ✓ ✓ Manageable operating costs ( PMSO ) fell by 7.1 % in the quarter . In the last 12 months , the cost discipline has enabled savings of R $ 13.3 million compared with the previous year . ✓ Consolidated net income of R $ 873.3 million in 1Q21 , an increase of 50.1 % ( R $ 291.6 million ) over 1Q20 . Despite the disruption caused by the pandemic , in this quarter the Company's EBITDA grew by 54.0 % and its Net Income by 50.1 % on 1Q20 ✓ Consolidated cash , cash equivalents , short - term investments and sector credits stood at R $ 5,670.2 million in March 2021 , compared with R $ 6,898.6 million in December 2020 ; Consolidated adjusted EBITDA amounted to R $ 1,424.5 million in 1Q21 , an increase of 53.3 % ( R $ 495.6 million ) on 1Q20 . FALL Description Consolidated net debt amounted to R $ 14,220.9 million in March 2021 , compared with R $ 13,574.3 million in December 2020. The ratio between net debt and adjusted EBITDA fell from 3.1 in December 2020 to 3.0 in March 2021 ; Consolidated investment amounted to R $ 697.5 million in 1Q21 , a decrease of 2.3 % ( R $ 16.4 million ) on the same period of the previous year . Gross Operating Revenue Net Operating Revenue , without construction revenue Manageable costs and expenses EBITDA Adjusted EBITDA Net Income Net Indebtedness ( 1 ) Investment Financial Indicators - R $ million Energisa S.A. Consolidated Operating Indicators GRUPO energisa 1Q21 7,911.5 4,904.4 579.5 1,307.0 1,424.5 873.3 14,220.9 697.5 7,466.3 9,179.3 9,119.9 8,091,683 Quarter 1Q20 14,661 20,056 7,131.0 4,205.1 721.5 848.6 929.0 581.7 13,699.5 713.9 7,724.7 - 3.3 Billed captive energy sales ( GWh ) Captive sales + Billed TUSD ( GWh ) 9,253.1 - 0.8 Captive sales + Unbilled TUSD ( GWh ) 9,279.4 - 1.7 Total Number of Consumers 7,861,947 +2.9 Number of Own Staff 15,073 - 2.7 Work Force ( own + outsourced staff ) ( ² ) 20,556 - 2.4 ( 1 ) Includes sector credits ( CDE , CCC , CVA ) ; ( 2 ) Excludes outsourced construction workers and outsourced workers of the DisCos registered as company staff at the Group's service providers . Change % + 10.9 + 16.6 - 19.7 + 54.0 + 53.3 + 50.1 + 3.8 -2.3 1