2023 2022 2021 2020 Share repurchase program to cover UCB's Long-Term Incentive plans for its employees Share Purchase Program 2024 In application of article 7:215 of the Belgian Code of Companies and Associations, UCB SA/NV (“UCB” or the “Company”) (Euronext Brussels: UCB) announces the launch of a share buy-back program (the “Share Repurchase Program 2024”), effective as of 2 April 2024. The repurchase of UCB shares under this program intends to cover current and future obligations under UCB's Long Term Incentive Plans for its employees. UCB will continuously monitor both its current and future obligations under such plans in view of keeping an adequate level of treasury shares. Under this program, UCB may acquire from time to time its common stock, for a maximum of 1,300,000 UCB shares. The share repurchases will be conducted under the terms and conditions approved by the extraordinary general shareholders’ meeting of the Company held on 28 April 2022. The timing of the repurchase of shares pursuant to the program will depend on a variety of factors, including market conditions. The Share Repurchase Program 2024 may be suspended or discontinued at any time. UCB has requested a financial intermediary to repurchase UCB shares on its behalf under the terms of a mandate agreement with initial validity until the earlier of 30 June 2024 or the mandate having been completed. During the Share Repurchase Program 2024, regular updates will be published in accordance with applicable legislation. In the framework of UCB’s ongoing cash and treasury shares management, UCB may decide to enter into equity swap transactions, including during the term of this Share Repurchase Program 2024. Any such transaction will be reported in accordance with applicable legislation. March 2024 > 29 March 2024 - Share Repurchase Program 2024 to cover UCB's Long Term Incentive Plans for employees April 2024 > 5 April 2024 - Acquisition of own shares > 12 April 2024 - Acquisition of own shares > 19 April 2024 - Acquisition of own shares > 26 April 2024 - Acquisition of own shares > 3 May 2024 - Acquisition of own shares > 10 May 2024 - Acquisition of own shares > 17 May 2024 - Acquisition of own shares > 24 May 2024 - Acquisition of own shares > 31 May 2024 - Acquisition on own shares > 7 June 2024 - Acquisition of own shares > 14 June 2024 - Acquisition of own shares > 28 June 2024 - Acquisition of own shares Share repurchase program 2023 In application of article 7:215 of the Belgian Code of Companies and Associations, UCB SA/NV (“UCB” or the “Company”) (Euronext Brussels: UCB) announces the launch of a share buy-back program (the “Share Repurchase Program 2023”), effective as of 27 February 2023. The repurchase of UCB shares under this program intends to cover current and future obligations under UCB's Long Term Incentive Plans for its employees. UCB will continuously monitor both its current and future obligations under such plans in view of keeping an adequate level of treasury shares. Under this program, UCB may acquire from time to time its common stock, for a maximum of 500 000 UCB shares. The share repurchases will be conducted under the terms and conditions approved by the extraordinary general shareholders’ meeting of the Company held on 28 April 2022. The timing of the repurchase of shares pursuant to the program will depend on a variety of factors, including market conditions. The Share Repurchase Program may be suspended or discontinued at any time. UCB has requested a financial intermediary to repurchase UCB shares on its behalf under the terms of a mandate agreement with initial validity until the earlier of 28 April 2023. During the Share Repurchase Program 2023, regular updates will be published in accordance with applicable legislation. In the framework of UCB’s ongoing cash and treasury shares management, UCB may decide to enter into equity swap transactions, including during the term of this Share Repurchase Program 2023. Any such transaction will be reported in accordance with applicable legislation. On 24 March 2023, the share repurchase program 2023 has been completed. February 2023 24 February 2023 - Share Repurchase Program 2023 to cover UCB's Long Term Incentive Plans for employees March 2023 03 March 2023 - Acquisition of own shares 10 March 2023 - Acquisition of own shares 17 March 2023 - Acquisition of own shares 24 March 2023 - Acquisition of own shares Share repurchase program 2022 In application of article 7:215 of the Belgian Code of Companies and Associations, UCB SA/NV (“UCB” or the “Company) (Euronext Brussels: UCB) announces the launch of a share buy-back program (the “Share Repurchase Program 2022”), effective as of 28 June 2022. The repurchase of UCB shares under this program intends to cover current and future obligations under UCB's Long Term Incentive Plans for its employees. UCB will continuously monitor both its current and future obligations under such plans in view of keeping an adequate level of treasury shares. Under this program, UCB may acquire from time to time its common stock, for a maximum of 500 000 UCB shares. The share repurchases until 30 June 2022 will be conducted under the terms and conditions approved by the extraordinary general shareholders’ meeting of the Company held on 30 April 2020, and under the terms and conditions approved by the extraordinary general shareholders’ meeting of the Company held on 28 April 2022 for all share repurchases as from 1 July 2022. The timing of the repurchase of shares pursuant to the program will depend on a variety of factors, including market conditions. The program may be suspended or discontinued at any time. UCB has requested a financial intermediary to repurchase UCB shares on its behalf under the terms of a discretionary mandate agreement with initial validity until 31 August 2022. During the Share Repurchase Program 2022, regular updates will be published in accordance with applicable legislation. In the framework of UCB’s ongoing cash and treasury shares management, UCB may decide to enter into equity swap transactions, including during the term of this Share Repurchase Program 2022. Any such transaction will be reported in accordance with applicable legislation. On 20 July 2022, the share repurchase program 2022 has been completed. June 2022 24 June 2022 - Share Repurchase Program 2022 to cover UCB's Long Term Incentive Plans for employees July 2022 01 July 2022 - Acquisition and disposal of own shares 08 July 2022 - Acquisition and disposal of own shares 15 July 2022 - Acquisition and disposal of own shares 20 July 2022 - Acquisition and disposal of own shares Share repurchase program 2021 In application of article 7:215 of the Belgian Code of Companies and Associations, UCB SA/NV announced the launch of a share buy-back program, effective as of 8 March 2021. The repurchase of UCB shares under this program intends to cover current and future obligations under UCB's Long Term Incentive Plans for its employees. UCB will continuously monitor both its current and future obligations under such plans in view of keeping an adequate level of treasury shares. Under this program, UCB may acquire from time to time its common stock, for a maximum of 750 000 shares. The share repurchases will be conducted under the terms and conditions approved by the extraordinary general shareholders’ meeting of the Company held on 30 April 2020. The timing of the repurchase of shares pursuant to the program will depend on a variety of factors, including market conditions. The program may be suspended or discontinued at any time. UCB has requested a financial intermediary to repurchase UCB shares on its behalf under the terms of an initial discretionary mandate agreement with validity until 25 June 2021. On 23 April 2021, the share repurchase program 2021 has been completed. March 2021 5 March 2021 - Share Repurchase Program 2021 to cover UCB's Long Term Incentive Plans for its employees 12 March 2021 - Acquisitions of own shares and disposals of own shares 19 March 2021 - Acquisitions of own shares and disposals of own shares 26 March 2021 - Acquisitions of own shares and disposals of own shares April 2021 2 April 2021 - Acquisitions of own shares and disposals of own shares 9 April 2021 - Acquisitions of own shares and disposals of own shares 20 April 2021 - Acquisitions of own shares and disposals of own shares 23 April 2021 - Acquisitions of own shares and disposals of own shares Share repurchase program 2020 In application of article 7:215 of the Belgian Code of Companies and Associations, UCB SA/NV announced the launch of a share buy-back program, effective as of 25 March 2020. The repurchase of UCB shares under this program intends to cover current and future obligations under UCB's Long Term Incentive Plans for its employees. UCB will continuously monitor both its current and future obligations under such plans in view of keeping an adequate level of treasury shares. Under this program, UCB may acquire from time to time its common stock, for a maximum of 1.2 million shares. The share repurchases will be conducted under the terms and conditions approved by the extraordinary general shareholders’ meeting of the Company held on 30 April 2020. The timing of the repurchase of shares pursuant to the program will depend on a variety of factors, including market conditions. The program may be suspended or discontinued at any time. UCB has requested a financial intermediary to repurchase UCB shares on its behalf under the terms of a discretionary mandate agreement with initial validity until 15 June 2020, extended until 30 September 2020. On 5 August 2020, the share repurchase program 2020 has been completed. 24 March 2020 - Start share repurchase program 2020 Share Repurchase Program to cover UCB's Long Term Incentive Plans for its employees - read more In application of article 7:215 of the Belgian Code of Companies and Associations, UCB SA/NV (“UCB” or the “Company) (Euronext Brussels: UCB) announces the launch of a share buy-back program (the “Share Repurchase Program 2020”), effective as of 25 March 2020. The repurchase of UCB shares under this program intends to cover current and future obligations under UCB's Long Term Incentive Plans for its employees. UCB will continuously monitor both its current and future obligations under such plans in view of keeping an adequate level of treasury shares. Under this program, UCB may acquire from time to time its common stock, for a maximum of 1.2 million shares. The share repurchases will be conducted under the terms and conditions approved by the extraordinary general shareholders’ meeting of the Company held on 26 April 2018. The timing of the repurchase of shares pursuant to the program will depend on a variety of factors, including market conditions. The program may be suspended or discontinued at any time. UCB has requested a financial intermediary to repurchase UCB shares on its behalf under the terms of an initial discretionary mandate agreement with validity until 15 June 2020. During the Share Repurchase Program 2020, regular updates will be published in accordance with applicable legislation. 24 March 2020 - Press release close April 2020 3 April 2020 - Acquisitions and disposals of own shares 10 April 2020 - Acquisitions and disposals of own shares 23 April 2020 - Acquisitions and disposals of own shares 30 April 2020 - Acquisitions and disposals of own shares May 2020 13 May 2020 - Acquisitions and disposals of own shares 22 May 2020 - Acquisitions and disposals of own shares June 2020 2 June 2020 - Acquisitions and disposals of own shares 11 June 2020 - Acquisitions and disposals of own shares 19 June 2020 - Acquisitions and disposals of own shares July 2020 30 July 2020 - Acquisitions and disposals of own shares August 2020 10 August 2020 – Acquisitions and disposals of own shares