Hellenic Exchanges-Athens Stock Exchange S.A.

Transaction in Own Shares • Aug 6, 2025

Announcement

Trade notifications on Euronext shares (Law 3461/2006)

6 August 2025 – The CAPITAL GROUP COMPANIES, Inc. ("CGC") informed the Company in writing that it carried out the following Euronext share (symbol ENX, ISIN NL0006294274) transactions:

No	Date of notification to ATHEX	Transaction date	Type	Quantity	Financial instrument	Total value (euro)
1	05.08.2025	04.08.2025	Buy	30	ENX common stock	4,248.00
2	05.08.2025	04.08.2025	Sell	14	ENX common stock	1,981.81
3	05.08.2025	04.08.2025	Sell	19	ENX common stock	2,689.59
4	05.08.2025	04.08.2025	Buy	2,272	ENX common stock	320,124.80
5	05.08.2025	04.08.2025	Buy	341	ENX common stock	47,995.75
6	06.08.2025	05.08.2025	Buy	1,314	ENX common stock	183,303.00
7	06.08.2025	05.08.2025	Buy	44	ENX common stock	6,120.40
8	06.08.2025	05.08.2025	Sell	38	ENX common stock	5,284.20

Following the above transactions, CGC holds 5.060% of Euronext shares.

The notification of ENX trades takes place in accordance with art. 24 of law 3461/2006 due to the tender offer by Euronext to acquire all shares of the Company (EXAE) through a share exchange.