Acquisition of own shares

Brussels (Belgium), 20 March 2026 – 20:00 (CET) – Regulated information 

In accordance with article 8:4 of the Royal Decree of 29 April 2019 executing the Belgian Code on Companies and Associations, UCB SA/NV (“UCB” or the “Company”) (Euronext Brussels: UCB) hereby discloses certain information in relation to its Share Repurchase Program 2026. 

Under this program, UCB has requested a financial intermediary to repurchase up to 500,000 UCB shares on its behalf under the terms of a discretionary mandate agreement effective as from 16 March 2026 and with initial validity until the later of 30 June 2026, and, to the extent authorized by the extraordinary shareholders’ meeting of April 2026, 30 September 2026, to cover current and future obligations under UCB's Long Term Incentive Plans for its personnel.
In the framework of this Share Repurchase Program 2026, UCB repurchased 100,000 UCB shares on Euronext Brussels in the period from 16 March 2026 up to and including 19 March 2026, as follows: 

This press release is available on UCB SA/NV’s website via the following link.

For further information, contact UCB: 

Investor Relations
Antje Witte 
T +32 2 559 94 14
Antje.Witte@ucb.com

Yvonne Naughton
T: +44-7566790245
yvonne.naughton@ucb.com

Sahar Yazdian 
T: +32.2.559.9137 
sahar.yazdian@ucb.com

Corporate Communications

Laurent Schots 
T+32 2 559 92 64
laurent.schots@ucb.com     

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 9,000 people in approximately 40 countries, the company generated revenue of €7.7 billion in 2025. UCB is listed on Euronext Brussels (symbol: UCB). Follow us on Twitter: @UCB_news.