Notification of Major Holdings1. Details of issuer	| Name: | Siltronic AG | 
	| Street: | Einsteinstr. 172  - Tower B / Blue Tower | 
	| 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: Morgan Stanley 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.
	| Morgan Stanley & Co. International plc 
 | 
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 | 4.79 % | 0.62 % | 5.41 % | 30000000 | 
	| Previous notification | 5.12 % | 1.00 % | 6.12 % | / | 
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 | 1436510 | 0.00 % | 4.79 % | 
	| Total | 1436510 | 4.79 % | 
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 of recall over securities lending agreements | at any time | at any time | 159209 | 0.53 % | 
	|  |  | Total | 159209 | 0.53 % | 
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 | From 05.07.2021 to 25.01.2023 | at any time | Cash | 28051 | 0.09 % | 
	|  |  |  | Total | 28051 | 0.09 % | 
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) | 
	| Morgan Stanley | % | % | % | 
	| Morgan Stanley Capital Management, LLC | % | % | % | 
	| Morgan Stanley Domestic Holdings, Inc. | % | % | % | 
	| Morgan Stanley Capital Services LLC | % | % | % | 
	| - | % | % | % | 
	| Morgan Stanley | % | % | % | 
	| Morgan Stanley Capital Management, LLC | % | % | % | 
	| Morgan Stanley Domestic Holdings, Inc. | % | % | % | 
	| Morgan Stanley & Co. LLC | % | % | % | 
	| - | % | % | % | 
	| Morgan Stanley | % | % | % | 
	| Morgan Stanley International Holdings Inc. | % | % | % | 
	| Morgan Stanley International Limited | % | % | % | 
	| Morgan Stanley Investments (UK) | % | % | % | 
	| Morgan Stanley & Co. International plc | 3.66 % | % | % | 
	| - | % | % | % | 
	| Morgan Stanley | % | % | % | 
	| Morgan Stanley Capital Management, LLC | % | % | % | 
	| Morgan Stanley Domestic Holdings, Inc. | % | % | % | 
	| Morgan Stanley & Co. LLC | % | % | % | 
	| Prime Dealer Services Corp. | % | % | % | 
	| - | % | % | % | 
	| Morgan Stanley | % | % | % | 
	| Morgan Stanley Capital Management, LLC | % | % | % | 
	| Morgan Stanley Domestic Holdings, Inc. | % | % | % | 
	| Morgan Stanley Investment Management Inc. | % | % | % | 
	| - | % | % | % | 
	| Morgan Stanley | % | % | % | 
	| MSDW Offshore Equity Services Inc. | % | % | % | 
	| FUNDLOGIC SAS | % | % | % | 
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:	| The notification was triggered due to a disposal of client securities over which Morgan Stanley & Co. LLC had a right of use | 
Date