Morgan Stanley, Wilmington, Delaware, United States of America (USA)

Notification of Major Holdings

1. Details of issuer

Name :	Infineon Technologies AG
Street:	Am Campeon 1-15
Postal code:	85579
City:	Neubiberg Germany
Legal Entity Identifier (LEI):	TSI2PJM6EPETEQ4X1U25

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.

5. Date on which threshold was crossed or reached:

22 Jun 2026

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	2.74 %	1.43 %	4.17 %	1305921137
Previous notification	3.17 %	1.22 %	4.39 %	/

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)
DE0006231004	0	35735587	0 %	2.74 %
Total	35735587		2.74 %

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 %
Equity Call Option	From 17.07.2026 to 17.12.2027	at any time	3415094	0.26 %
Right of recall over securities lending agreements	at any time	at any time	1942568	0.15 %
		Total	5357662	0.41 %

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 Put Option	From 18.09.2026 to 21.12.2029	at any time	Physical	3952525	0.3 %
Retail Structured Product	From 24.04.2076 to 12.06.2076	at any time	Cash	24032	0 %
Equity Swap	From 10.07.2026 to 15.06.2028	at any time	Cash	9235467	0.71 %
Retail Structured Product - Warrant	From 18.09.2026 to 17.12.2027	at any time	Cash	1105	0 %
Compound Option	From 03.08.2026 to 05.08.2030	at any time	Cash	148901	0.01 %
Retail Structured Product - Note	29.05.2031	at any time	Cash	320	0 %
			Total	13362350	1.02 %

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, LLC	%	%	%
Morgan Stanley Capital Services LLC	%	%	%
-	%	%	%
Morgan Stanley	%	%	%
Morgan Stanley Capital Management, LLC	%	%	%
Morgan Stanley & Co. LLC	%	%	%
-	%	%	%
Morgan Stanley	%	%	%
Morgan Stanley International Holdings Inc.	%	%	%
Morgan Stanley International Limited	%	%	%
Morgan Stanley Investments (UK)	%	%	%
Morgan Stanley & Co. International plc	%	%	%
-	%	%	%
Morgan Stanley	%	%	%
Morgan Stanley Capital Management, LLC	%	%	%
Morgan Stanley & Co. LLC	%	%	%
Prime Dealer Services Corp.	%	%	%
-	%	%	%
Morgan Stanley	%	%	%
Morgan Stanley International Holdings Inc.	%	%	%
Morgan Stanley B.V.	%	%	%
-	%	%	%
Morgan Stanley	%	%	%
Morgan Stanley Capital Management, LLC	%	%	%
Morgan Stanley Smith Barney 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

26 Jun 2026