Transparency notification of Schwarz Vermögensverwaltung GmbH & Co, Financière de Tubize SA and UCB SA/NV

Brussels (Belgium), May 5, 2011 – 19:00 PM CET - regulated information - Schwarz Vermögensverwaltung GmbH & Co KG having its registered offices at Postrasse 7, 40213 Düsseldorf, Germany, Financière de Tubize SA and UCB SA/NV, both having their registered offices at Allée de la Recherche 60, 1070 Brussels notified that Schwarz Vermögensverwaltung GmbH & Co KG sold a number of UCB shares with voting rights on 29 April 2011 making it cross the statutory threshold of 3% for notification and is currently holding 5.451.916 shares (on a total number of 183.365.052) representing 2,97% of UCB’s share capital.

For further information
Antje Witte, Investor Relations, UCB
T +32.2.559.9414, antje.witte@ucb.com
Michael Tuck-Sherman, Investor Relations, UCB
T +32.2.559.9712, Michael.tuck-sherman@ucb.com

Notes to the editor

About UCB
UCB, Brussels, Belgium (www.ucb.com) is a global biopharmaceutical company focused on the discovery and development of innovative medicines and solutions to transform the lives of people living with severe diseases of the immune system or of the central nervous system. With more than 8 000 people in about 40 countries, the company generated revenue of EUR 3.1 billion in 2009. UCB is listed on Euronext Brussels (symbol: UCB).

Forward looking statement
This press release contains forward-looking statements based on current plans, estimates and beliefs of management. Such statements are subject to risks and uncertainties that may cause actual results to be materially different from those that may be implied by such forward-looking statements contained in this press release. Important factors that could result in such differences include: changes in general economic, business and competitive conditions, effects of future judicial decisions, changes in regulation, exchange rate fluctuations and hiring and retention of employees.