EQS Voting Rights Announcement: K+S Aktiengesellschaft

K+S Aktiengesellschaft: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution

08.05.2026 / 18:10 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: K+S Aktiengesellschaft Street: Bertha-von-Suttner-Str. 7 Postal code: 34131 City: Kassel
Germany Legal Entity Identifier (LEI): 529900YURAYD4IJX2J91

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:
Voluntary group notification with triggered threshold on subsidiary level

3. Details of person subject to the notification obligation

Legal entity: The Goldman Sachs Group, Inc.
City of registered office, country: Wilmington, DE, 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 0.85 % 8.89 % 9.73 % 179100000 Previous notification 0.41 % 5.42 % 5.83 % /

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) DE000KSAG888 0 1519584 0 % 0.85 % Total 1519584 0.85 %

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 Open 2153928 1.20 % Right Of Use Open 354585 0.20 % Call Option 18.12.2026 800000 0.45 % Call Warrant 18.12.2026 706 0.0004 %     Total 3309219 1.85 %

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 % Put Option 21.12.2029 Physical 1875000 1.05 % Call Warrant 31.12.2030 Cash 7131126 3.98 % Swap 25.02.2041 Cash 3598016 2.01 %       Total 12604142 7.04 %

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) The Goldman Sachs Group, Inc. % % % GSAM Holdings LLC % % % Goldman Sachs Asset Management, L.P. % % % – % % % The Goldman Sachs Group, Inc. % % % Goldman Sachs Bank USA % % % Goldman Sachs Bank Europe SE % % % – % % % The Goldman Sachs Group, Inc. % % % Goldman Sachs & Co. LLC % % % – % % % The Goldman Sachs Group, Inc. % % % Goldman Sachs (UK) L.L.C. % % % Goldman Sachs Group UK Limited % % % Goldman Sachs International % % 5.05 %

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

08.05.2026 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.
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