STS Holding S.A.

Declaration of Voting Results & Voting Rights Announcements • Jun 28, 2023

Report 20/2023 List ofshareholders holding at least 5% of the votes at the Ordinary GeneralMeeting of Shareholders of STS Holding S.A. as on June 28, 2023.

The Management Board of STSHolding S.A. (the "Company") announces to the public the list ofshareholders holding at least 5% of the votes at the Ordinary GeneralMeeting of Shareholders of the Company as on June 28, 2023, along withthe voting entitlement of shares held by each of them and theirpercentage share in the number of votes at this Ordinary General Meetingand in the total number of votes:

- FUNDACJA ZBIGNIEWA JUROSZKAFUNDACJA RODZINNA W ORGANIZACJI - number of votes 61,236,707 whichconstitutes 39,07% of the total number of votes and 47.37% of the numberof votes at the Ordinary General Meeting of Shareholders-MJ FOUNDATION FUNDACJA RODZINNA W ORGANIZACJI - number of votes 48_#160;382769, whichconstitutes 30,87% of the total number of votes and 37,43% of the numberof votes at the Ordinary General Meeting of Shareholders

- NATIONALE-NEDERLANDENOTWARTY FUNDUSZ EMERYTALNY - number of votes 9,210,00, which constitutes5,88% of the total number of votes and 7,12% of the number of votes atthe Ordinary General Meeting of Shareholders

- GOVERNMENT OF NORWAY -number of votes 6,474,228, which constitutes 4,13% ogólnej liczby głosóworaz 5,00% of the number of votes at the Ordinary General Meeting ofShareholders

Legal basis: Art. 70 pt 3 ofthe Public Offering Act - General Meeting of Shareholders, the listabove 5%