Disclosure announcement transmitted by euro adhoc.
  The issuer is responsible for the content of this announcement.

27.04.2006

Cologne, 27 April 2006 - DocCheck Medizinbedarf & Logistik GmbH,
Stuttgart, a subsidiary of DocCheck AG, Cologne, (ISIN DE0005471007
// Symbol 547100), has today increased its share in Albert
Geisselmann Medizinbedarf GmbH, Eilenburg, from 33.3 per cent to 84.6
per cent with financial effect from 01/07/2006. The purchase price
for the acquisition of the shares was paid in cash. It was agreed
that the amount paid would be kept secret.  In future,
Albert-Geisselmann GmbH, Eilenburg, shall be developed as the Eastern
location for the trading and logistics activities of DocCheck.

end of announcement                               euro adhoc 27.04.2006 16:41:56

Further inquiry note:

Tanja Mumme
+49 (0)221 92053 139
tanja.mumme@doccheck.com

Branche: Computing & Information Technology
ISIN: DE0005471007
WKN: 547100
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