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 2020.

Under this program, UCB has requested a financial intermediary to repurchase up to 1.2 million UCB shares on its behalf under the terms of an initial discretionary mandate agreement with validity until 15 June 2020, effective as from 25 March 2020, to cover current and future obligations under UCB's Long Term Incentive Plans for its personnel. The validity of this agreement has now been extended from 15 June 2020 to 29 July 2020.In the framework of this Share Repurchase Program 2020, UCB repurchased 86 041 UCB shares on Euronext Brussels in the period from 13 May 2020 up to and including 22 May 2020

Also in connection with the management of UCB's Long Term Incentive Plans, on 22 May 2020, UCB has acquired and UCB Fipar SA/NV (an indirect subsidiary of UCB) has simultaneously sold, in a related party transaction, 4 101 306 UCB shares at EUR 81.76 per share, through the central orderbook of Euronext Brussels.

Disposals of own shares

In accordance with article 8:6 of the Royal Decree executing the Belgian Code of Companies and Associations, UCB announces that, following exercises of stock options by members of its personnel, it has disposed of UCB shares OTC in view of deliveries of these shares to the relevant members of the personnel, within the framework of the Long Term Incentive Program of the UCB Group

On 22 May 2020, taking into account the acquisitions of own shares mentioned in the first section and after settlement of the deliveries of shares to members of the personnel mentioned in this section, UCB owned 5 290 281 UCB shares, which represent 2.72% of the total number of shares issued by the company (194 505 658).

An updated overview of the UCB large shareholdings is available on UCB's website via the following link.

Contact:

Antje Witte

Tel: +32.2.559.94.14

Email: antje.witte@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 7 500 people in approximately 40 countries, the company generated revenue of EUR 4.9 billion in 2019. UCB is listed on Euronext Brussels (symbol: UCB).

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