Mytilineos S A : Gold Award for MYTILINEOS by the European Sustainable Development rating agency EcoVadis

Athens, Greece - 14 April 2022- MYTILINEOS won the gold award for its business practices, based on its business model and its overall strategy, by the leading European agency for the performance evaluation of companies in sustainable development, EcoVadis.

Specifically, EcoVadis evaluates the quality of the Corporate Responsibility management system and the ESG of the companies through the policies they have, the practices they apply and their results. The evaluation methodology is using 21 criteria, grouped into four thematic units: Environment, Labor Practices & Human Rights, Business Ethics and Sustainable Procurement. The criteria are based on international standards, such as the UN Global Compact principles, the International Labor Organization (ILO) conditions, the Global Reporting Initiative (GRI) standards, and the ISO 26000 principles. Since its establishment in 2007, EcoVadis has grown into one of the largest and most trusted providers of business viability ratings in the world, creating a global network of more than 90,000 rated companies.

According to the results of the evaluation of its overall performance, MYTILINEOS is in thetop 10% of all companies evaluated by EcoVadis. The Company's performance is even better per unit, as MYTILINEOS managed to be included in the 4% of the top suppliers in its sector in the section "Labor Practices - Human Rights" and in the respective 6% of the top suppliers in the section "Environment".

Participating in the EcoVadis rating platform, MYTILINEOS responds promptly and responsibly to its customers' sustainable development requirements, enabling them to access relevant information and performance, which is a prerequisite for maintaining existing and concluding new business partnerships.

MYTILINEOS' long standing commitment to Sustainable Development is reflected in the already significant ESG performance achieved, and makes the most of the improvement proposals it receives from the international independent ESG criteria rating agencies in which it participates. In this context, the Company carried out important strategic actions in 2021, including the following:

• It developed and started the implementation of specific action plans for each key initiative that contributes to the ambitious objectives of reducing the carbon footprint.
• It joined the international Sustainable Development CDP Climate Change initiative.
• It joined the official supporters of the International Task force on Climate - Related Financial Disclosures (TCFD).
• It completed the 2nd cycle of corporate responsibility training for key suppliers.
• It carried out the formal Consultation process with its Social Partners for the 12th year in a row.
• It implemented 16 social initiatives and programs at central level.
• It ensured the improvement or maintenance of its performance in almost all the ESG evaluations in which it participated.