Sustainable Development Report 2019

1. 3 new plants (2 industrial and 1 RES) were added, of which 2 of did not have this certification and are planned to obtain it by 2021. 2. The amount of Scope 3 emissions is partially covered. Specifically, the data come from the EPC & Infrastructure Projects sector in addition to the category of employee movements, which includes the performance of the Electricity Sector. Environmental KPI's 2017 2018 2019 Diff (%) (2019 vs 2018) Percentage of industrial units and RES units with ISO 14001 - 2015 certification 80% 82.6% 84.1% 1.7% Total bauxite consumption (tons) 1,855,677 1,873,622 1,871,395 -0.1% Total natural gas consumption (mio Nm3) 1,063.3 1,031.4 1,133.7 10% Total water consumption (mio m3) 5.76 5.70 6.53 14.5 % Environmental expenditures (mio €) 20.1 32.8 61.0 85.9% Direct GHG emissions (Scope 1, CO2 thousand tons / year) 2,612.1 2,555.7 2,798.1 9.5% Indirect GHG emissions (Scope 2, CO2 thousand tons / year) 2,327.6 1,819.6 1,841.3 1.2% Other emissions (Scope 3, CO2 thousand tons / year)2 2,141.8 2,577.2 1,828.1 -29% Total NOx emissions (tons / year) 1,356.7 1,342.3 1,553.3 15.7% Total SOx emissions (tons / year) 3,619.9 3,651.1 3,634.0 -0.5% Dust emissions (tons / year) 69.9 74.2 94.3 27% Fluorine emissions (tons / year) 254.7 261.5 258.3 -1.2% Emissions CF4 (tons / year) 9.27 11.2 11.8 5.3% Emissions C2F6 (tons / year) 1.12 1.3 1.4 7.6% Specific CO2 emissions (t CO2 Scope 1 & 2 / ton of Bauxite produced) 0.018 0.019 0.012 -36.8% Specific CO2 emissions (t CO2 Scope 1 & 2 / ton of Alumina produced) 0.70 0.609 0.602 -1.1% Specific CO2 emissions (t CO2 Scope 1 & 2 / ton of primary Aluminium produced) 12.0 10.37 10.59 2.1% Specific CO2 emissions (t. CO2 Scope 1 & 2 / ton of secondary cast Aluminium produced - - 0.33 n/a Specific CO2 emissions (t CO2 Scope 1 & 2 / TJ of electricity produced) 94.1 94.1 92.4 -1.8% Specific CO2 emissions (t CO2 Scope 1 & 2 / ton of processed metal produced) - 7.3 5.5 -24.6% Total energy production (TJ) 18,897.0 18,565.3 21,197.6 14.2% Energy production from RES (% of total energy production) 4.8% 4.7% 6.4% 36.2% ESG KPI's Environmental KPI's 2017 2018 2019 Diff (%) (2019 vs 2018) Total energy consumption (TJ) 53,015.0 49,535.6 53,734.1 8.5% Electricity consumption (% of total energy consumption) 19.3% 21% 19.2% -8.6% Specific energy consumption (GJ / ton of hydrated Alumina produced) 10.1 9.8 8.3 -15.3% Specific energy consumption (GJ / ton of primary Aluminium produced) 50.9 49.7 48.8 -1.8% Specific energy consumption (GJ / ton of secondary cast Aluminium produced) - - 4.8 n/a Specific energy consumption (TJ / TJ of energy produced) 1.69 1.68 1.7 1.2% Total water withdrawals (mio m3) 167.8 171.4 170.8 -0.4% Total water withdrawal from surface waters (mio m3) 159.4 162.9 162.2 -0.4% Total water withdrawal from groundwater supplies (mio m3) 8.2 8.1 8.2 1.2% Total water withdrawal from public water supply utilities (m3) 29,421 99,836 74,571 -25.3% Water savings in the production process (% of total water withdrawals) 3.1% 2.9% 3.9% 34.5% Water consumption / ton of hydrated Alumina produced (m3) 4.64 4.09 3.98 -2.6% Water consumption / ton of primary Aluminium produced (m3) 2.52 2.49 2.43 -2.4% Total solid waste production (thousand tons) 846.9 918.5 849.1 -7.5% Total hazardous waste (thousand tons) 19.4 20.2 22.8 12.9% Total non-hazardous waste (thousand tons) 827.6 898.2 826.3 -8.0% Solid waste reused or recycled (% of total solid waste produced) 9.3% 17.7% 17.9% 1.1% Percentage of recovery in areas used during the mining process 80.0% 81.1% 82.27% 1.4% Incidents of non-compliance with environmental laws and regulations & relevant fines 0 0 0 0% 91 90

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