Please see below:

Turnover in the 1^st quarter of 2023 for the Athens Exchange Group was EUR11.7 million compared to EUR9.9m in the corresponding period last year, increased by 18.2%.

66% of the turnover of the Group is from fees on trading, clearing and settlement of trades on the Athens Exchange, posting a EUR1.8m change compared to the corresponding period in 2022, i.e. an 30.7% increase. The remaining 34% of turnover was unchanged, and mainly includes services to third parties.

GEK TERNA SA informs the Investors that the Q1 2023 Financial Performance will be published on Wednesday, May 31, 2023, after the closing of the trading session of the ASE.

TERNA ENERGY SA informs the Investors that the Q1 2023 Financial Performance will be published on Wednesday, May 31, 2023, after the closing of the trading session of the ASE.

Please see the atached announcement.