Extraordinary General Meeting of Shareholders

Mechelen, Belgium; 5 April 2007  – Galapagos  NV (the  ‘Company’) announces today that it has convened an Extraordinary General Meeting of Shareholders (the ‘EGM’) to be held  on 24 April 2007 at 2  p.m. CET at the Company’s registered offices at Generaal De Wittelaan  L11 A3, B-2800  Mechelen, Belgium,  or such  other location  near to the offices to be specified at the time of the meeting.
The convocation  to  the  EGM,  including  an  agenda  detailing  the resolutions that  will be  proposed at  the EGM,  and relevant  voting arrangements, has been posted on the Company’s website (www.glpg.com) and will also shortly be mailed to Galapagos’ registered shareholders and to those who hold entitlements to ordinary shares in the  Company in the form of CREST Depository Interests.
Galapagos NV
Johan Van den Eynde,
Director, Legal & HR
+32 15 342 932