231 Likes Acquisition of own shares Brussels (Belgium), 24 May 2024 – 20:00 (CEST) – 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 2024. Under this program, UCB has requested a financial intermediary to repurchase up to 1,300,000 UCB shares on its behalf under the terms of a discretionary mandate agreement with initial validity until 30 June 2024, effective as from 02 April 2024, to cover current and future obligations under UCB's Long Term Incentive Plans for its personnel. In the framework of this Share Repurchase Program 2024, UCB repurchased 159,836 UCB shares on Euronext Brussels in the period from 17 May 2024 up to and including 23 May 2024, 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 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 approximately 9,000 people in approximately 40 countries, the company generated revenue of €5.3 billion in 2023. UCB is listed on Euronext Brussels (symbol: UCB). Follow us on Twitter: @UCB_news. Asset Download 240524 - Acquisition of own shares ENG 240524 - Verwerving van eigen aandelen NL 240524 - Acquisition actions propres FR 231 Likes