01 FEB 2023

Announcement pursuant to Law 3556/2007

MYTILINEOS S.A. (the “Company”) pursuant to the provisions of Law 3556/2007 and Regulation (EU) No 596/2014 of the European Parliament and of the Council on market abuse, announces that Gioralex Holdings Limited, obligated to notify as a person related to Mr. Nikos Papapetrou, Executive Director M Renewables of the Company, according to its notification towards the Company dated 31.1.2023, bought on 30.1.2023, 10,000 common shares of the Company of a total value of Euro 244,310.00.