HELLENIC EXCHANGES-ATHENS STOCK EXCHANGE (ATHEX, stock symbol: ΕΧΑΕ) informs investors that the publication of the 1^st half 2019 financial results will take place on Thursday 25 July 2019 and not on Monday 29 July 2019 as had originally been announced.

Therefore, the financial calendar for the remainder of the fiscal year is as follows:

• Release of 1^st Half 2019 Results:                                     Thursday 25 July 2019
• Capital Return (Special dividend) – record date:      Tuesday 6 August 2019

The ex-date (Monday 5 August 2019) is: before the expiration (on 20 September 2019), of the future with the ATHEX share as the underlying security, and before the expiration (on 16 August 2019) of the future on the FTSE/ATHEX LARGE CAP (in which ATHEX is a component stock).

• Capital Return - payment date:                                       Monday 12 August 2019
• Release of Nine Month 2019 Results:                           Monday 25 November 2019

The financial results will be published on the Company website (www.athexgroup.gr) after the end of trading on Athens Exchange on the release day.