Purchase of UCB shares

Press release FINANCIERE DE TUBIZE SA/NV Allée de la Recherche 60, 1070 Brussels Contact: Eric Nys, general manager, [email protected] Purchase of UCB shares 24 May 2022 Financière de Tubize has, since the publication of its 2021 Annual Report on February 25, 2022, purchased 1.053.840 UCB shares for a total amount of € 94,5 millions, at an average price of € 89,64 per share. The stake of Financière de Tubize in UCB has consequently increased from 35,16% to 35,70%. These acquisitions are fully consistent with Financière de Tubize mission which is to create long-term value for all its stakeholders, by supporting, as a stable reference shareholder, the maximization of UCB’s potential and the sustainable growth of its industrial project.