High free float characterizes shareholder structure

According to the freefloat definition of Deutschen Börse AG, the freefloat of K+S Aktinegesellschaft amounts to a approx. 90%.

The following shareholders notified us of holdings above the legal thresholds:

• Meritus Trust Company Limited  via EuroChem Group SE: 9.88% (Notified on 12.07.2011)
• Blackrock Inc.: 5.46% (Notified on 22.03.2011)
• Capital Research and Management Company: 3.05% (Notified on 05.08.2011)
• Prudential Plc. via M&G Investment Management Limited: 3,00% (Notified on 2 November 2011)

Overview of notifications of voting rights

Shareholder structure

In November 2011, an external service provider conducted a shareholder identification and presented the following results: In addition to the permanent holdings (9,8859, approx. 7% of the outstanding shares are held by German institutional investors and almost 53% by foreign institutions. Moreover, we assume that approx. 20% of the shares are predominantly held by German private investors. This portion should comprise approximately 1% of the outstanding shares held by K+S-employees. 10% of the shareholdings could not be identified.

Shareholder structure

Geographically about 28% of our shares are held in Germany. The worldwide institutional investors structure is as follows: US and Canada (21%), Russia (10%) and the UK (10%). 7% of shares are held in France, 5 % in Switzerland, whereas the rest of the world holds 10%. The remaining 10% of the shares could not be identified.

Shareholder structure

As of Novemberl 2011; source: Shar-register and Shareholder Identification provided by Computershare/Gerorgeson