27 SEP 2021

Announcement of Acquisition of own shares

Athens, Greece – September 27, 2021 - Mytilineos S.A. (MYTILINEOS) announces that, according to the resolution of its Extraordinary Shareholders’ Meeting dated 27.03.2020, on 24.9.2021, acquired through the Athens Exchange 23,345 own shares at a weighted average price €14.1608 per share, of an aggregate value €330,583.25. Such acquisitions have been effected through the Athens Exchange member name PIRAEUS SECURITIES S.A..

Following this acquisition, MYTILINEOS holds in aggregate 7,379,403 own shares, percentage 5.1644% 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.