Galapagos to webcast Analyst Day on Friday, October 7, 2005

About Galapagos

Galapagos is a publicly traded, genomics-based drug discovery company (Euronext Brussels, GLPG; Euronext Amsterdam, GLPGA) that has successfully discovered and validated novel targets in the bone and joint diseases – osteoarthritis, osteoporosis and rheumatoid arthritis, as well as in asthma and Alzheimer’s disease. Proprietary targets and compounds resulting from these programs are used for Galapagos’ internal drug discovery programs, combined with selected out-licensing and partnering of projects during development. Galadeno, Galapagos’ partnering unit, provides reagents and functional screens to leading pharmaceutical, biotech and nutraceutical companies for rapid identification and validation of novel drug targets. Galapagos currently employs 78 people, including 23 PhDs, and occupies facilities in Mechelen, Belgium, and Leiden, The Netherlands. Galapagos’ partners include Bayer, Boehringer Ingelheim, Celgene, GlaxoSmithKline, Novartis, Vertex and Wyeth.

More information about Galapagos and Galadeno can be found at www.glpg.com.