Announcement

For the Extraordinary General Assembly of March 27^th, 2020

Athens, Greece – March 18, 2020– MYTILINEOS, taking into account the mandatory nature of the need for restricting the dissemination of coronavirus “COVID-19” and aiming to protect its shareholders, its personnel and generally the public, as well as to ensure business continuity at its premises, announces the following with respect to the forthcoming Extraordinary General Assembly planned for March 27^th, 2020 with sole subject the approval of an own share buyback program as set out in detail in the invitation dated March 5th, 2020:

(a)     Reminds the shareholders that participation in the General Assembly is possible through representatives. The representative shall vote according to its instructions, if available.

(b)     For the restriction to the minimum necessary of the number of individuals which shall be present at the place of the assembly at the seat of the Company, the Company has indicated specific persons among its employees, which shareholders may authorize to represent them and vote on their behalf in the assembly in accordance with their instructions. Shareholders wishing to make use οf the relevant possibility, are kindly requested to contact Investor Relations at +30210-6877436 or by email IR@mytilineos.gr.

(c)     The procedure of the assembly shall be limited to the absolute necessary and no reception shall take place afterwards, as customary.

(d)     Entrance shall not be allowed to third parties, other than to shareholders and representatives thereof.

MYTILINEOS continues its operations with sense of responsibility, follows developments and with sense of responsibility, complies with instructions of the authorities, and invites shareholders to follow its website for any subsequent announcements with respect to the forthcoming General Assembly.