ABLYNX ANNOUNCES WARRANT EXERCISE

REGULATED INFORMATION

GHENT, Belgium, 16 March 2015 - Ablynx [Euronext Brussels: ABLX; OTC: ABYLY] today announced, in conformity with Title II of the Law of 2 May 2007 and the Royal Decree of 14 February 2008, that an additional 174,302 common shares have been issued by the Company in exchange for €1,292,682.18 as the result of the exercise of warrants by some employees and consultants of the Company.

As a result of this transaction, Ablynx now has 54,304,407 shares outstanding.

About Ablynx

Ablynx is a biopharmaceutical company engaged in the development of Nanobodies®, proprietary therapeutic proteins based on single-domain antibody fragments, which combine the advantages of conventional antibody drugs with some of the features of small-molecule drugs. Ablynx is dedicated to creating new medicines which will make a real difference to society. Today, the Company has more than 30 proprietary and partnered programmes in development in various therapeutic areas including inflammation, haematology, oncology and respiratory disease. The Company has collaborations with multiple pharmaceutical companies including AbbVie, Boehringer Ingelheim, Merck & Co., Inc, Merck Serono and Novartis. The Company is headquartered in Ghent, Belgium. More information can be found on www.ablynx.com.

For more information, please contact
Ablynx:
Dr Edwin Moses
CEO
t:   +32 (0)9 262 00 07
m: +32 (0)473 39 50 68
e:  edwin.moses@ablynx.com

Marieke Vermeersch
Associate Director Investor Relations
t:   +32 (0)9 262 00 82
m: +32 (0)479 49 06 03
e:  marieke.vermeersch@ablynx.com
Follow us on Twitter @AblynxABLX

Ablynx media relations Consilium Strategic Communications:
Mary-Jane Elliott, Jonathan Birt, Amber Bielecka, Lindsey Neville
t:   +44 203 709 5700
e:  ablynx@consilium-comms.com