Body of the report: 

With reference to Current Report No. 14/2026 of 9 March 2026 concerning the agreement for the sale of shares held by JSW S.A. in Przedsiębiorstwo Budowy Szybów S.A. and in Jastrzębskie Zakłady Remontowe Sp. z o.o. to ARP S.A. [“PRE-SPA”], the Management Board of Jastrzębska Spółka Węglowa S.A. [“JSW,” “Company”] hereby reports that on 30 June 2026 JSW and Agencja Rozwoju Przemysłu S.A. entered into Annex 1 to the PRE-SPA. Pursuant to Annex 1, the End Date has been changed from 30 June 2026 to 31 July 2026. 

Legal basis: Article 17[1] 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.