Investor Presentaiton

Safe and responsible operations Continuing efforts within ESG performance?) is a top priority Leadership in health and safety, social responsibility and compliance as a license to operate Hydro Transparent and consistent reporting approach for more than three decades Sustainability is fully integrated in Hydro's strategy • Work in progress to prepare for implementation of the EU Corporate Sustainability Reporting Directive (CSRD TRI Rate¹) 10.3 SUSTAINALYTICS 17.8 (Low risk) #3 in sector (3/224) MSCI AA rating "Leading initiatives to achieve carbon-free aluminium" 7.0 6.0 5.4 4.0 4.1 3.9 3.7 3.8 3.4 3.4 3.2 2.9 3.0 3.1 3,5 3.1 3.3 2.6 2.7 2.4 2.4 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 Member of Dow Jones Sustainability Indices Powered by the S&P Global CSA 69% Europe Index inclusion DJSI inclusion since 1999 MOODY'S ESG Solutions 73/100 ecovadis 72/100 95th percentile ISS ESG‣ B rating Corporate Rating: Prime Status 1) 2) Total recordable incidents (TRI) rate defined as cases per 1 million hours worked, for own employees and contractors ESG performance as of 31.12.2023 44

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