15 MAR 2023

Announcement of Acquisition of own shares

Athens, Greece – March 15, 2023 - Mytilineos S.A. (MYTILINEOS) announces that, according to the resolution of its Extraordinary Shareholders’ Meeting dated 23.03.2022, on 14.3.2023, acquired through the Athens Exchange 15,500 own shares at a weighted average price €24.1644 per share, of an aggregate value €374,548.54. Such acquisitions have been effected through the Athens Exchange member name PIRAEUS SECURITIES.

Following this acquisition, MYTILINEOS holds in aggregate 4,235,790 own shares, percentage 2.9643% 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.