NOTIFICATION TO BONDHOLDERS

Galapagos Holding S.A.
Galapagos S.A.

7.000% Senior Notes due 2022
ISIN Code: XS1071420027
Senior Secured Floating Rate Notes due 2021
ISIN Code: XS1071411547
5.375% Senior Secured Fixed Rate Notes due 2021
ISIN Code: XS1071419524

We are pleased to invite you to the Investors Call of Galapagos Group and Heat Exchangers Group on

Thursday, 11 September 2014,
5.30 pm CET, 4.30 pm BST, 11.30 am EST

Galapagos Group and Heat Exchangers Group will present Financial Information of Galapagos Group and of Heat Exchangers Group for the second quarter and the six months ended June 30, 2014.

The conference call will be hosted by Mr. Mats Eklund, director of Galapagos Group, and Mr. Michael Andersen, Chief Financial Officer of Heat Exchangers Group.

Participants are requested to use the following link to be registered with name and company name prior to the conference call. The access code will be provided upon registration.

Online Registration: https://engage.vevent.com/rt/hx_group~20140911

Please use one of the following dial-in numbers:

*** Standard International: +44(0) 2071 928016
*** UK Free Call: 08003766220
*** Germany: 06922223473
*** United States: 18669049624

Lines will be open 5 to 10 minutes before the start of the conference call. The conference call is scheduled to last approximately one hour and will be held in English.
After the management's presentation you will have the opportunity to ask questions concerning the financial information as of 30 June 2014.

If you have any questions regarding the conference call, please contact:

hx.treasury@gea.com                           Tzanetis@triton-partners.com
Treasury Department                            Galapagos S.A.
HX Holding GmbH
Dorstener Straße 484                           26-28 Rue Edward Steichen
44809 Bochum, Germany                    2540 Luxembourg, Grand Duchy of Luxembourg
Tel.: +49 234 980 0                                Tel.: +352 26 753 111