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ALUMINA PRICE TREND PRICE LEVEL UP IN RELATION TO ALUMINIUM PRICE Alumina price trend in USD/t 550 High at 506 USD/t 500 March 21, 2022 450 400 350 300 250 200 Dec-20 Mar-21 Jun-21 Source: Bloomberg Ø Alumina price in USD/t and as % of LME -56 USD/t (LME %: +2.1 ppt) 500 I 413 400 377 357 339 319 300 14.7% 200 14.4% 13.6% 12.6% 13.0% 359 USD/t as of April 17, 2023 100 Sep-21 Dec-21 Mar-22 Jun-22 Sep-22 Dec-22 Mar-23 0 Q1/2022 Q2/2022 Q3/2022 Q4/2022 Q1/2023 Presentation Q1 2023 AMAG Austria Metall AG 7

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