Frankfurt (euro adhoc) -

  Notification concerning transactions by persons discharging managerial
  responsibilities pursuant to section 15a of the WpHG, transmitted by euro
  adhoc with the aim of a Europe-wide distribution. The issuer is responsible
  for the content of this announcement.

16.04.2007

end of announcement                               euro adhoc 26.04.2007 11:09:34

Further inquiry note:

Wilma Mitzlaff
Tel. +49 (0)30 39981-526
E-Mail: wilma.mitzlaff@womcorp.com

Branche: Pharmaceuticals
ISIN: DE0006637390
WKN: 663739
Index: CDAX, Prime All Share, Technologie All Share
Börsen: Frankfurter Wertpapierbörse / regulated dealing/prime
standard
Börse Berlin-Bremen / free trade
Hamburger Wertpapierbörse / free trade
Baden-Württembergische Wertpapierbörse / free trade
Börse Düsseldorf / free trade
Bayerische Börse / free trade