Notification of Major Holdings1. 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 | 
	|  | Other reason: 
 | 
3. Details of person subject to the notification obligation	| Legal entity: JPMorgan Chase & Co. City of registered office, country: Wilmington, Delaware, United States of America (USA)
 | 
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: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 | 3.002656666667 % | 0.17 % | 3.17 % | 30000000 | 
	| Previous notification | 2.98 % | 0.18 % | 3.17 % | / | 
7. Details on total positionsa. 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 | 900797 | 0.00 % | 3.00 % | 
	| Total | 900797 | 3.002656666667 % | 
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 % | 
	| Internal right to recall shares lent out | n/a | n/a | 21 | 0 % | 
	|  |  | Total | 21 | 0.00007 % | 
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 % | 
	| Equity Swap | 29/07/2022 – 02/06/2027 | 29/07/2022 – 02/06/2027 | Cash | 51381 | 0.17 % | 
	|  |  |  | Total | 51381 | 0.17 % | 
8. Information in relation to the person subject to the notification obligation	|  | 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.). | 
	| X | 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) | 
	| JPMorgan Chase & Co. | % | % | % | 
	| JPMorgan Chase Bank, National Association | % | % | % | 
	| J.P. Morgan International Finance Limited | % | % | % | 
	| J.P. Morgan Capital Holdings Limited | % | % | % | 
	| J.P. Morgan Securities plc | % | % | % | 
	| - | % | % | % | 
	| JPMorgan Chase & Co. | % | % | % | 
	| JPMorgan Chase Holdings LLC | % | % | % | 
	| J.P. Morgan Broker-Dealer Holdings Inc. | % | % | % | 
	| J.P. Morgan Securities LLC | % | % | % | 
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:Date