Transparency notification UCB SA/NV

Brussels (Belgium), 20 January 2020 – 20:10 (CET) – regulated information

<u>1. Summary of the notification</u>

Pursuant to Article 14 of the law of 2 May 2007 on the disclosure of large shareholdings, UCB SA/NV announces that it has filed a transparency notification.

The transparency notification dated 20 January 2020 has been submitted in accordance with Article 18 juncto Article 6 of the law of 2 May 2007 on the disclosure of large shareholdings, due to UCB covering its obligations towards employees in the framework of the Long Term Incentive plans of the UCB group. As a result thereof, voting rights relating to voting securities held by UCB SA/NV and its affiliates crossed downwards the 3% threshold on 17 January 2020.

On 17 January 2020, UCB SA/NV (taking into account the holding of its affiliates) owned 5 742 539 UCB shares with voting rights (versus 5 975 516 UCB shares in its previous notification dated 12 March 2019), representing 2.95% of the total number of shares issued by the company (194 505 658) (versus 3.07% in the notification dated 12 March 2019).

<u>2. Content of the notification</u>

• Reason for the notification:<br />- Acquisition or disposal of voting securities or voting rights<br />- Downwards crossing of the lowest threshold
• Notification by: A parent undertaking or a controlling person.
• Person subject to the notification requirement: