Siltronic : DWS Investment GmbH, Frankfurt am Main, Germany

DWS Investment GmbH, Frankfurt am Main, Germany

Siltronic AG Siltronic AG: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution 01.12.2025 / 09:25 CET/CEST Dissemination of a Voting Rights Announcement transmitted by EQS News - a service of

Siltronic AG Siltronic AG: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution 01.12.2025 / 09:25 CET/CEST Dissemination of a Voting Rights Announcement transmitted by EQS News - a service of EQS Group. The issuer is solely responsible for the content of this announcement. Notification of Major Holdings 1. Details of issuer Name: Siltronic AG Street: Einsteinstr. 172 Postal code: 81677 City: Munich Germany Legal Entity Identifier (LEI): 5299003NKV26NNGHHR90 2. Reason for notification X Acquisition/disposal of shares with voting rights Acquisition/disposal of instruments Change of breakdown of voting rights X Other reason: Equity Collateral Received 3. Details of person subject to the notification obligation Legal entity: DWS Investment GmbH City of registered office, country: Frankfurt am Main, Germany 4. Names of shareholder(s) holding directly 3% or more voting rights, if different from 3. 5. Date on which threshold was crossed or reached: 26 Nov 2025 6. Total positions % of voting rights attached to shares (total of 7.a.) % of voting rights through instruments (total of 7.b.1 + 7.b.2) Total of both in % (7.a. + 7.b.) Total number of voting rights pursuant to Sec. 41 WpHG New 3.03 % 0.08 % 3.11 % 30000000 Previous notification 2.52 % 0.03 % 2.54 % / 7. Details on total positions a. Voting rights attached to shares (Sec. 33, 34 WpHG) ISIN Absolute In % Direct (Sec. 33 WpHG) Indirect (Sec. 34 WpHG) Direct (Sec. 33 WpHG) Indirect (Sec. 34 WpHG) DE000WAF3001 0 910020 0.00 % 3.03 % Total 910020 3.03 % b.1. Instruments according to Sec. 38 (1) no. 1 WpHG Type of instrument Expiration or maturity date Exercise or conversion period Voting rights absolute Voting rights in % Right to Recall 22880 0.08 % Total 22880 0.08 % b.2. Instruments according to Sec. 38 (1) no. 2 WpHG Type of instrument Expiration or maturity date Exercise or conversion period Cash or physical settlement Voting rights absolute Voting rights in % 0 0.00 % Total 0 0.00 % 8. Information in relation to the person subject to the notification obligation X Person subject to the notification obligation is not controlled nor does it control any other undertaking(s) that directly or indirectly hold(s) an interest in the (underlying) issuer (1.). Full chain of controlled undertakings starting with the ultimate controlling natural person or legal entity: Name % of voting rights (if at least 3% or more) % of voting rights through instruments (if at least 5% or more) Total of both (if at least 5% or more) 9. In case of proxy voting according to Sec. 34 para. 3 WpHG (only in case of attribution of voting rights in accordance with Sec. 34 para. 1 sent. 1 No. 6 WpHG) Date of general meeting: Holding total positions after general meeting (6.) after annual general meeting: Proportion of voting rights Proportion of instruments Total of both % % % 10. Other explanatory remarks: Equity collateral received via Transfer of Title Date 28 Nov 2025 01.12.2025 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.

Language:	English
Company:	Siltronic AG
	Einsteinstr. 172
	81677 Munich
	Germany
Internet:	www.siltronic.com

End of News	EQS News Service

2237674 01.12.2025 CET/CEST

12/01/2025, 09.25 am (CET/CETS)

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