Investor Presentaiton

7,500 7,000 6,500 6,000 5,500 5,000 4,500 4,000 3,500 3,000 2,500 2,000 1,500 1,000 500 0 Q1 2016 Q2 2016 1) Pro-forma figures Extrusions earnings drivers Adjusted EBITDA per tonne 1), NOK Q1 2022 Q2 2022 Q3 2022 Q4 2022 Q1 2023 Q2 2023 Q3 2023 Q4 2023 • • Contract structure Margin business based on conversion price • LME element passed on to customers Mostly short-term contract, typically ranging from spot to 12 months, few longer term contracts with floating price or hedging in place High share of variable costs - high level of flexibility • Annual seasonality driven by maintenance and customer activity • Stronger Q1 and Q2, weaker Q3 and Q4 Strong focus on increasing value add to customers Preferred supplier market position in high-end products 39 Hydro

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