Regulated information

29 July 2016, 22.00 CET

Galapagos receives transparency notification from Federated Mechelen, Belgium; 29 July 2016 - Galapagos NV (Euronext & NASDAQ: GLPG) received a transparency notification from Federated Equity Management Company of Pennsylvania.

Pursuant to Belgian transparency legislation1, Galapagos received a transparency notification on

26 July 2016 from Federated Investors, Inc. and Federated Equity Management Company of Pennsylvania, who notified that funds2managed by Federated Equity Management hold 2,289,479 shares of the 46,109,508 currently outstanding Galapagos shares. On 20 July 2016, a share sale resulted in a decrease below the 5% notification threshold of Galapagos' voting rights. The full transparency notice is available on the Galapagos website.

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 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 subsidiaryFidelta, has approximately 460 employees, operating from its Mechelen, Belgium headquarters and facilities in The Netherlands, France, and Croatia. More information atwww.glpg.com.

Contacts

Investors:

Media:

Elizabeth Goodwin

Evelyn Fox

VP IR & Corporate Communications

Director Communications

+1 781 460 1784

Paul van der Horst

Director IR & Business Development

+31 6 53 725 199

+31 6 53 591 999

communications@glpg.com

ir@glpg.com

Forward-looking statements

This release may contain forward-looking statements. Such forward-looking statements are not guarantees of future results. These forward-looking statements speak only as of the date of publication of this document. Galapagos expressly disclaims any obligation to update any forward-looking statements in this document, unless specifically required by law or regulation.

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.

2 Federated Kaufmann Fund, Federated Kaufmann Fund II and Federated Kaufmann Small Cap Fund.

Galapagos NV published this content on 29 July 2016 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 01 August 2016 07:51:01 UTC.

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