The Management Board of STS Holding S.A. (the “Company”) announces to the public the list of shareholders holding at least 5% of the votes at the Ordinary General Meeting of Shareholders of the Company as on June 28, 2023, along with the voting entitlement of shares held by each of them and their percentage share in the number of votes at this Ordinary General Meeting and in the total number of votes:

– FUNDACJA ZBIGNIEWA JUROSZKA FUNDACJA RODZINNA W ORGANIZACJI – number of votes 61,236,707 which constitutes 39,07% of the total number of votes and 47.37% of the number of votes at the Ordinary General Meeting of Shareholders

– MJ FOUNDATION FUNDACJA RODZINNA W ORGANIZACJI – number of votes 48 382 769, which constitutes 30,87% of the total number of votes and 37,43% of the number of votes at the Ordinary General Meeting of Shareholders

– NATIONALE-NEDERLANDEN OTWARTY FUNDUSZ EMERYTALNY – number of votes 9,210,00, which constitutes 5,88% of the total number of votes and 7,12% of the number of votes at the Ordinary General Meeting of Shareholders

– GOVERNMENT OF NORWAY – number of votes 6,474,228, which constitutes 4,13% ogólnej liczby głosów oraz 5,00% of the number of votes at the Ordinary General Meeting of Shareholders

Legal basis: Art. 70 pt 3 of the Public Offering Act – General Meeting of Shareholders, the list above 5%