GEK TERNA S.A., in its practice of providing accurate and timely information to investors and pursuant to article 4.1.2 & 4.1.4.3.1. of the Athens Stock Exchange Rulebook, announces its Financial Calendar of 2023:

Announcement and release of the Fiscal Year 2022 Annual Financial Results and posting of the Fiscal Year 2022 Annual Financial Report, pursuant to the legal provisions, on the company's website (www.gekterna.com) as well as on the website of the Athens Exchange (www.athexgroup.gr): Thursday, April 27, 2023, after the end of ASE's trading.

Annual Briefing of Analysts: Tuesday, May 2, 2023, 16:30 GR Time (CEST+1)

Ordinary General Assembly of Shareholders: Tuesday, June 20, 2023

The Company reserves the right to change the above dates following relevant notification to the Investors.