19. Februar 2013

Notification of voting rights transmitted by euro adhoc. The issuer is responsible for the content of this announcement.

EANS-Voting Rights: K+S Aktiengesellschaft / Release according to article 26, section 1 WpHG (Securities Trading Act) with the aim of Europe-wide distribution

Announcement according to Article 21, Section 1 of the WpHG (share)

Person/company obliged to make the notification: -----------------------------------

Name: BlackRock Advisors Holdings, Inc. Place: New York, NY State: USA


BlackRock Advisors Holdings, Inc., New York, USA, informed us pursuant to Section 21 Paragraph 1 WpHG that their percentage holding of the voting rights in K+S Aktiengesellschaft exceeded the threshold of 3% on 14.02.2013 and amounts to 3.03% (5,796,333 voting shares) on that day. All of the voting rights are attributable to BlackRock Advisors Holdings, Inc., pursuant to Section 22 Paragraph 1 Sentence 1 No. 6 in connection with Sentence 2 WpHG.

Further inquiry note: Kai Kirchhoff Telefon: +49(0)561-9301-1885 E-Mail: kai.kirchhoff@k-plus-s.com end of announcement euro adhoc --------------------------------------------------------------------------------

issuer: K+S Aktiengesellschaft Bertha-von-Suttner-Straße 7 D-34131 Kassel phone: +49 (0)561 9301-1460 FAX: +49 (0)561 9301-2425 mail: investor-relations@k-plus-s.com WWW: http://www.k-plus-s.com sector: Chemicals ISIN: DE000KSAG888 indexes: DAX, Midcap Market Index, CDAX, Classic All Share, HDAX, Prime All Share

stockmarkets: regulated dealing: Hannover, Berlin, München, Hamburg, Düsseldorf, Stuttgart, regulated dealing/prime standard: Frankfurt language: English

EAX0018 2013-02-19/16:17