Hellenic Exchanges-Athens Stock Exchange S.A.

Transaction in Own Shares • Aug 5, 2025

Announcement

Trade notifications on Euronext shares (Law 3461/2006)

5 August 2025 – The CAPITAL GROUP COMPANIES, Inc. ("CGC") informed the Company in writing on 04 August 2025 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	04.08.2025	31.07.2025	Sell	273	ENX common stock	38,345.99
2	04.08,2025	31.07.2025	Sell	96	ENX common stock	13,699.20
	04.08.2025	31.07.2025	Buy	1.116	ENX common stock	158,025.60
	04.08,2025	01.08.2025	Buy	157	ENX common stock	22,074.20

Following the above transactions, CGC holds 5,056% 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.