Listing of existing shares on Euronext Brussels & Amsterdam

Mechelen, Belgium; 17 May 2016, 7.00 CET: Galapagos (Euronext & NASDAQ: GLPG) announces that, following the approval of a listing prospectus by the Belgian Financial Services and Markets Authority, the 6,760,701 shares subscribed to by Gilead on 19 January 2016 have been admitted to trading on Euronext Brussels and Amsterdam today. A copy of the listing prospectus is available on our website at www.glpg.com.

About Galapagos
Galapagos (Euronext & NASDAQ: GLPG) is a clinical-stage biotechnology company specialized in the discovery and development of small molecule medicines with novel modes of action. Our maturing pipeline comprises Phase 2, Phase 1, pre-clinical and discovery studies in cystic fibrosis, inflammation, fibrosis, osteoarthritis and other indications. We have discovered and developed filgotinib: in collaboration with Gilead we aim to bring this JAK1-selective inhibitor for inflammatory indications to patients all over the world. Galapagos is focused on the development and commercialization of novel medicines that will improve people's lives. The Galapagos group, including fee-for-service subsidiary Fidelta, has approximately 440 employees, operating from its Mechelen, Belgium headquarters and facilities in The Netherlands, France, and Croatia. More information at www.glpg.com.

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