UCB Investor Presentation — July 2024

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Capital Market Earnings Call

25 July 2024Our Purpose:

Create value for patients, now and into the futureProprietary and Confidential Property of UCBProprietary and Confidential Property of UCB

2Disclaimer & Safe harbor

This document contains forward- looking statements, including, without limitation, statements containing the words “potential”, “believes”, “anticipates”, “expects”, “intends”, “plans”, “seeks”,

“estimates”, “may”, “will”, “continue” and similar expressions. These forward- looking statements are based on current plans, estimates and beliefs of management . All statements, other than

statements of historical facts, are statements that could be deemed forward -looking statements, including estimates of revenues, operating margins, capital expenditures, cash, other financial

information, expected legal, arbitration, political, regulatory or clinical results or practices and other such estimates and results. By their nature, such forward- looking statements are not guaranteeing

future performance and are subject to known and unknown risks, uncertainties, and assumptions which might cause the actual results, financial condition, performance or achievements of UCB, or

industry results, to be materially different from any future results, performance, or achievements expressed or implied by such forward- looking statements contained in this document .

Important factors that could result in such differences include but are not limited to: global spread and impacts of wars and pandemics, changes in general economic, business and competitive

conditions, the inability to obtain necessary regulatory approvals or to obtain them on acceptable terms or within expected timing, costs associated with research and development, changes in the