Subject:Resignation of a JSW S.A. Supervisory Board member

Body ofthe Report:

TheManagement Board of Jastrzębska Spółka Węglowa S.A. ("JSW") herebyreports that today Mr. Robert Łazarczyk tendered his resignation fromthe function of a JSW Supervisory Board member, effective as of 22December 2023.

The reasonsfor the resignation were not specified.