EQS-CMS: MBB SE: Disclosure pursuant to Art. 5 Sec. 1 lit. 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 201

MBB SE / DE000A0ETBQ4

EQS Post-admission Duties announcement: MBB SE / Share buyback
MBB SE: Disclosure pursuant to Art. 5 Sec. 1 lit. 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 201

26.05.2026 / 00:08 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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Share buyback: Disclosure pursuant to Art. 5 Sec. 1 lit. 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
Purchase of own shares – 24th final notification In the period from 18 May 2026 up to and including 22 May 2026, a total of 2,753 shares were purchased under the share buyback program 2025. The initiation of the share buyback program was communicated by way of an announcement dated 09 December 2025 pursuant to Article 5 of Regulation (EU) No. 596/2014 and Article 2 (1) of Commission Delegated Regulation (EU) 2016/1052. The total number of shares purchased in the period from 18 May 2026 up to and including 22 May 2026 per day, exchange, average price and volume in euros are as follows:

Date	Total number of shares bought back (number)	Average price (EUR)	Exchange	Volume (EUR)1
18.05.2026	1,269	193.63	XETRA	245,715.00
19.05.2026	1,275	190.76	XETRA	243,214.00
20.05.2026	209	189.70	XETRA	39,647.60
21.05.2026	0	-	XETRA	0.00
22.05.2026	0	-	XETRA	0.00

 1 Excl. acquisition costs The total number of shares bought back under the share buyback program 2025 in the period up to and including 22 May 2026 amounts to 124,374 shares. The share buyback has been executed by mwb fairtrade Wertpapierhandelsbank AG. Information about individual transactions and daily trading volumes pursuant to Article 5 of Regulation (EU) No. 596/2014 and Commission Delegated Regulation (EU) 2016/1052 has been published on the internet at the following link: https://www.mbb.com/en/ir/shares/buyback.html
Berlin, 22 May 2026 MBB SE   MBB SE Kurfürstendamm 188 10707 Berlin Tel [phone] [e-mail] www.mbb.com   Chairman of the Board of Directors and Executive Management Dr Christof Nesemeier Executive Management Torben Teichler   Register court Berlin-Charlottenburg Local Court, registration number: HRB 165458

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26.05.2026 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.
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Language:	English
Company:	MBB SE
	Kurfürstendamm 188
	10707 Berlin
	Germany
Internet:	www.mbb.com

End of News	EQS News Service

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2332970  26.05.2026 CET/CEST