Release in accordance with § 26 WpHG (German Securities Trading Act) (March 11, 2011)

March 11, 2011

notification of voting rights

KWS SAAT AG

KWS SAAT AG: Release according to Article 26, Section 1 WpHG (German Securities Trading Act)

On March 8, 2011, Deutsche Bank AG, London, United Kingdom, provided KWS
SAAT AG, Einbeck, Germany, ISIN DE0007074007, with the following voting
rights announcement:

“We hereby inform you in the name and on behalf of DWS Invest SICAV,
Luxembourg, Luxembourg, pursuant to Section 21 para. 1 sentence 1 WpHG,
that the voting rights of DWS Invest SICAV fell below the threshold of 3%
on March 3, 2011 and amount to 2.912% (192,210 voting rights) in KWS SAAT
AG, Grimsehlstr. 31, Postfach 1463, 37555 Einbeck, Germany, as per this
date.”

Einbeck, March 11, 2011

KWS SAAT AG

The Executive Board