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

IONOS Group SE / DE000A3E00M1

EQS Post-admission Duties announcement: IONOS Group SE / 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 – 3rd Interim Announcement
IONOS Group SE: Release of a capital market information

20.04.2026 / 10:03 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 13 April 2026 up to and including 17 April 2026, IONOS Group SE purchased a total of 116,179 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)
13.04.2026	21,795		23.6379
14.04.2026	22,236		24.3225
15.04.2026	50,864		24.0401
16.04.2026	19,639		25.5844
17.04.2026		1,645	26.8712

Therefore, the overall volume of the shares bought back by IONOS Group SE through the share buyback program since 30 March 2026 is 405,162 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, 20 April 2026 IONOS Group SE The Management Board  

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20.04.2026 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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2311100  20.04.2026 CET/CEST