CompuGROUP Holding AG

--------------------------------------------------------------------------------
  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.
-------------------------------------------------------------------------------- 

Details of the person subject to the disclosure requirement:
-------------------------------------------------------------------------------- 

Person, triggering the disclosure:
-----------------------------
Name:              GT1 Vermögensverwaltung GmbH
                   (Legal person, company or institution) 

Reason for the disclosure requirement:
------------------------------
Reason:            Legal person, company or institution closely associated
Relationship:      To a person performing managerial responsibilities 

Person performing managerial responsibilities, triggering the disclosure
requirement: 

--------------------------------------------------------------------------------
Position:          Member of a managing body

Details of the transaction:
--------------------------------------------------------------------------------

Transaction: 

------------
Description of financial instrument: CompuGROUP shares
ISIN:DE000543705 

Type of transaction: purchase
Date:                30.12.2009
No of items:         1250
Currency:            Euro
Price:               7.3900
Total amount traded: 9,237.5000
Place:               Xetra Frankfurt
Explanation: 

Further inquiry note:
-----------------
Ralf Glass
Vicepresident CEO support
Tel.: +49 (0)261 8000 1236
E-Mail: ralf.glass@compugroup.com 

Issuer subject to the publication requirement:
-------------------------------------------------------------------------------- 

end of announcement                               euro adhoc
-------------------------------------------------------------------------------- 

Further inquiry note:

Branche: Software
ISIN:    DE0005437305
WKN:     543730
Börsen:  Frankfurt / regulated dealing/prime standard
         Berlin / free trade
         Hamburg / free trade
         Stuttgart / free trade
         Düsseldorf / free trade
         München / free trade