Hellenic Exchanges-Athens Stock Exchange S.A.

Major Shareholding Notification • Oct 24, 2025

Announcement

Trade notifications on EXAE shares (Law 3461/2006)

24 October 2025 - MORGAN STANLEY informed the Company in writing that it carried out the following transactions in shares of the Company (symbol: EXAE, ISIN GRS395363005):

No	Date of notification to ATHEX	Transaction date	Туре	Quantity	Financial instrument	Total value (euro)
1	24.10.2025	23.10.2025	Buy	371,491	EXAE shares	2,321,318.84
2	24.10.2025	23.10.2025	Sell	1,344	EXAE shares	8,403.36

Following the above transactions, MORGAN STANLEY indirectly holds 3.52% of the voting rights of the Company, compared to 2.65% based on the previous notification.

The chains of controlled undertakings through which the voting rights are effectively held, starting with the ultimate controlling entity, are as follows:

• Morgan Stanley
• Morgan Stanley International Holdings Inc
• Morgan Stanley International Limited
• Morgan Stanley Investments (UK)
• Morgan Stanley & Co International plc
• Morgan Stanley
• Morgan Stanley Capital Management, LLC
• Eaton Vance Management
• Boston Management and Research

The notification of EXAE 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.