30 MAY 2022

Announcement of Acquisition of own shares

Athens, Greece – May 30, 2022 - Mytilineos S.A. (MYTILINEOS) announces that, according to the resolution of its Extraordinary Shareholders’ Meeting dated 23.03.2022, on 27.5.2022, acquired through the Athens Exchange 10,441 own shares at a weighted average price €17.0979 per share, of an aggregate value €178,519.05. Such acquisitions have been effected through the Athens Exchange member name EUROXX SECURITIES S.A..

Following this acquisition, MYTILINEOS holds in aggregate 4,517,600 own shares, percentage 3.1616% of the total number of shares issued by it.

This announcement is issued pursuant to Regulation (EU) 596/2014 and Delegated Regulation (EU) 2016/1052.