EQS-CMS: IONOS Group SE: Release of a capital market information

IONOS Group SE / DE000A3E00M1

EQS Post-admission Duties announcement: 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 – 6th Interim Announcement
IONOS Group SE: Release of a capital market information

11.05.2026 / 09:08 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.

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In the period from 04 May 2026 up to and including 08 May 2026, IONOS Group SE purchased a total of 181,653 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)
04.05.2026	27,361	27.3149
05.05.2026	55,074	27.7518
06.05.2026	32,339	28.2483
07.05.2026	32,327	28.0788
08.05.2026	34,552	27.7259

Therefore, the overall volume of the shares bought back by IONOS Group SE through the share buyback program since 30 March 2026 is 955,796 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, 11 May 2026 IONOS Group SE The Management Board

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11.05.2026 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.
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Language:	English
Company:	IONOS Group SE
	Elgendorfer Straße 57
	56410 Montabaur
	Germany

End of News	EQS News Service

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2324720  11.05.2026 CET/CEST