Change of Company’s address

The Management Board of MERCOR S.A. (the “Company”) announces that on 21 October 2025 a change of the Company’s registered address was registered by the relevant court. New registered address of MERCOR S.A.: ul. Juliusza Słowackiego 224, 80-298 Gdańsk, Poland. The Company’s contact telephone number has also changed: (+48) 585 730 073.

Legal basis: Section 5.11 of the Minister of Finance’s Regulation on current and periodic information to be published by issuers of securities and conditions for recognition as equivalent of information whose disclosure is required under the laws of a non-member state.