BIOTER S.A.

Announcement according to L. 3556/2007

Bioter SA pursuant to Law 3556/2007 announces that 1) the shareholder Dimitrios Bersos, person obliged to notify pursuant to L.3340/2005, on 03/31/2010 purchase 50,000 Bioter's common registered shares of total value of Euro 10,500 2) the shareholder Evaggelos Stratis, person obliged to notify pursuant to L.3340/2005, on 03/31/2010 purchase 50,000 Bioter's common registered shares of total value of Euro 10,500