Galapagos receives transparency notification from Wellington Management Group LLP

Mechelen, Belgium; 7 October 2019; 22:01 CET; regulated information – Galapagos NV (Euronext & NASDAQ: GLPG) received a transparency notification from Wellington Management Group LLP.

Pursuant to Belgian transparency legislation1, Galapagos received a transparency notification on 4 October 2019 from Wellington Management Group LLP, who notified that the 3,445,603 Galapagos shares held by its entirely-controlled subsidiary Wellington Management Company LLP on 1 October 2019 represent 5.56% of the current 61,953,831 outstanding Galapagos shares. Wellington Management Company LLP thus crossed above the 5% threshold of Galapagos’ voting rights by purchase of voting securities on 1 October 2019. The full transparency notice is available on the Galapagos website.

About Galapagos

Galapagos (Euronext & NASDAQ: GLPG) discovers and develops small molecule medicines with novel modes of action, three of which show promising patient results and are currently in late-stage development in multiple diseases. The company’s pipeline comprises Phase 3 through to discovery programs in inflammation, fibrosis, osteoarthritis and other indications. Galapagos’ ambition is to become a leading global biopharmaceutical company focused on the discovery, development and commercialization of innovative medicines. More information at www.glpg.com.

Galapagos ContactsInvestors: Media:Elizabeth Goodwin Carmen Vroonen VP IR Senior Director Communications+1 781 460 1784 +32 473 824 874 Sofie Van Gijsel Evelyn FoxDirector IR Director Communications+32 485 19 14 15 +31 6 53 591 999ir@glpg.com communications@glpg.com

1 Belgian Act of 2 May 2007 on the disclosure of major shareholdings in issuers whose shares are admitted to trading on a regulated market

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