Hellenic Exchanges-Athens Stock Exchange S.A.

Major Shareholding Notification • Oct 29, 2025

Announcement

Trade notifications on EXAE shares (Law 3461/2006)

29 October 2025 – SANDGROVE CAPITAL MANAGEMENT LLP informed the Company in writing that through the fund(s) it serves as the investment manager or discretionary sub-advisor, it acquired exposure to the shares of the Company (symbol: EXAE, ISIN GRS395363005):

No	Date of notification to ATHEX	Transaction date	Quantity	Financial instrument	Position (shares)	Position (%)
1	27.10.2025	24.10.2025	181,103	Equity swaps	3,220,815	5.34%
2	29.10.2025	27.10.2025	168,435	Equity swaps	3,389,250	5.62%

Following the above transactions, SANDGROVE CAPITAL MANAGEMENT LLP has exposure to 3,389,250 shares through an equity swap position, which is equivalent to 5.62% of the total shares outstanding.

SANDGROVE CAPITAL MANAGEMENT LLP does not control the voting rights for this holding.

In addition, JEFFERIES INTERNATIONAL LTD 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	29.10.2025	27.10.2025	Sell	5,595	EXAE shares	35,338.58

Following the above transactions, JEFFERIES INTERNATIONAL LTD holds 0.62% of the voting rights of the Company.

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.