Hellenic Exchanges-Athens Stock Exchange S.A.

Major Shareholding Notification • Aug 18, 2025

Announcement

Trade notifications on Euronext shares (Law 3461/2006)

18 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	13.08.2025	12.08.2025	Buy	8,311	ENX common stock	1,148,580.20
2	13.08.2025	12.08.2025	Buy	249	ENX common stock	34,411.80
3	14.08.2025	13.08.2025	Buy	216	ENX common stock	30,164.40
4	14.08.2025	13.08.2025	Buy	48	ENX common stock	6,700.80
5	14.08.2025	13.08.2025	Buy	73	ENX common stock	10,179.85

Following the above transactions, CGC holds 5.216% 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.