Body of the report:                      

With reference to Current Report No. 29/2025 of 7 April 2025, the Management Board of Jastrzębska Spółka Węglowa S.A. [“Company”, “JSW S.A.”] hereby reports that on 26 June 2026 the Company became aware of a decision issued by the Minister of Energy on 25 June 2026 refusing to declare and refund the overpayment of the windfall tax. The Minister of Energy stated that the application filed by JSW S.A. was without merit. On 26 June 2026, the Company decided to delay the public announcement of this inside information.

On 9 July 2026, the Company requested that the Minister of Energy reconsider the matter concerning the refund of the windfall tax.

The JSW S.A. Management Board reports that on 14 August 2026 it became aware of the decision issued by the Minister of Energy on 13 August 2026 to uphold the decision of 25 June 2026. This decision is final in the administrative proceedings. 

The JSW S.A. Management Board intends to exercise the Company’s right to seek available legal remedies.

Legal basis: Article 17(1) and (4) of Regulation (EU) No. 596/2014 of the European Parliament and of the Council of 16 April 2014 on Market Abuse and Repealing Directive 2003/6/EC of the European Parliament and of the Council and Commission Directives 2003/124/EC, 2003/125/EC and 2004/72/EC.