Hellenic Exchanges-Athens Stock Exchange S.A.

Transaction in Own Shares • Sep 2, 2025

Announcement

Trade notifications on EXAE shares (Law 3461/2006)

2 September 2025 – JEFFERIES INTERNATIONAL LTD informed the Company in writing on 1 September 2025 that it carried out the following transactions in shares of the Company (symbol: EXAE, ISIN GRS395363005):

No	Date of notification to ATHEX	Transaction date	Type	Quantity	Financial instrument	Total value (euro)
1	01.09.2025	19.08.2025	Buy	83,415	EXAE shares	583,537.97
2	01.09.2025	20.08.2025	Buy	192,902	EXAE shares	1,364,665.91
3	01.09.2025	21.08.2025	Buy	116,289	EXAE shares	819,279.26
4	01.09.2025	22.08.2025	Buy	3,256	EXAE shares	23,040.76
5	01.09.2025	26.08.2025	Buy	1,190	EXAE shares	8,399.73
6	01.09.2025	29.08.2025	Buy	59,902	EXAE shares	418,840.77

Following the above transactions, JEFFERIES INTERNATIONAL LTD holds 1.51% 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.