See pages Report for more, available at https://www.constellium.com/sites/default/ files/constellium_business_and_sustainability_report_2017-200718.pdf 42-43 102-47 List of material topics Assessing material sustainability risks See pages 38-39 of our 2017 Business and Sustainability Performance Report for more, available at https://www.constellium.com/sites/default/ files/constellium_business_and_sustainability_report_2017-200718.pdf 42-43 102-48 Restatements of information Past waste recycling, air emission and water discharge data were amended to account for identified reporting errors; Hazardous and non-hazardous waste data were adjusted due to harmonization of European and U.S waste classification in reporting process.