Other capital market information | 7 April 2026 10:34

IONOS Group SE: Release of a capital market information

IONOS Group SE / Disclosure pursuant to Art. 5 Sec. 1 b) and Sec. 3 of the Regulation (EU) No 596/2014 (MAR) in conjunction with Art. 2 Sec. 2 and Sec. 3 of the Commission Delegated Regulation (EU) No 2016/1052 // Share Buyback – 1st Interim Announcement
IONOS Group SE: Release of a capital market information

07.04.2026 / 10:34 CET/CEST
Dissemination of a Post-admission Duties announcement transmitted by EQS News – a service of EQS Group .
The issuer is solely responsible for the content of this announcement.

In the period from 30 March 2026 up to and including 02 April 2026, IONOS Group SE purchased a total of 113,782 treasury shares as part of the share buyback program. The start of the share buyback program was announced on 30 March 2026 in accordance with Art. 2 sec. 1 of the Commission Delegated Regulation (EU) 2016/1052 for 30 March 2026.

Shares were bought as follows:

Date	Overall volume of the shares bought back daily (number)	Volume-weighted average stock market price in EUR (excluding incidental purchasing costs, rounded to four places according to commercial practice)
30.03.2026	31,524	23.6643
31.03.2026	28,377	24.6047
01.04.2026	29,532	25.2433
02.04.2026	24,349	24.8403

Therefore, the overall volume of the shares bought back by IONOS Group SE through the share buyback program since 30 March 2026 is 113,782 shares.

Further information pursuant to Art. 5 sec. 1 b) and sec. 3 of the Regulation (EU) No 596/2014 in conjunction with Art. 2 sec. 2 and sec. 3 of the Commission Delegated Regulation (EU) No 2016/1052 is available online via http://www.ionos-group.com/investor-relations/share/share-buyback.html

The purchase of the treasury shares was carried out by a bank mandated by IONOS Group SE exclusively via the Frankfurt Stock Exchange (XETRA trading).

Montabaur, 07 April 2026

IONOS Group SE

The Management Board

07.04.2026 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.

Language:	English
Company:	IONOS Group SE
	Elgendorfer Straße 57
	56410 Montabaur
	Germany

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2304092  07.04.2026 CET/CEST