27 JUL 2021

Announcement of Acquisition of own shares

Athens, Greece – July 27, 2021 - Mytilineos S.A. (MYTILINEOS) announces that, according to the resolution of its Extraordinary Shareholders’ Meeting dated 27.03.2020, on 26.7.2021, acquired through the Athens Exchange 10,864 own shares at a weighted average price €14.5446 per share, of an aggregate value €158,012.50. Such acquisitions have been effected through the Athens Exchange member name EUROXX SECURITIES S.A..

Following this acquisition, MYTILINEOS holds in aggregate 6,920,657 own shares, percentage 4.8433% 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.