Mechelen, Belgium and Bethesda, Maryland, USA; 22 November 2006 - Galapagos NV (Euronext & LSE: GLPG) announced today the extension of the target discovery alliance between its service division BioFocus DPI and Cystic Fibrosis Foundation Therapeutics, Inc. (CFFT), the drug discovery and development affiliate of the Cystic Fibrosis Foundation. This 15-month extension exceeds EUR 800,000 in research fees and builds further on the alliance initiated in April 2005. As recently presented at the 20th Annual North American Cystic Fibrosis Conference in Denver, BioFocus DPI is applying its SilenceSelect adenoviral library and expertise in assay design to discover novel drug targets for the development of new cystic fibrosis therapies.