UCB Investor Presentation — July 2019

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UCB’s strong performance

enables continued investment into future growth drivers

25 July 20192019 Half Year ResultsDisclaimer and safe harbor

Forward -looking statements

This presentation contains forward- looking statements, including, without limitation, statements containing the words “believes” , “anticipates”, “expects”, “intends”,

“plans”, “seeks”, “estimates”, “may”, “will”, and “continue” and similar expressions. These forward- looking statements are based on current plans, estimates and beliefs

of management. By their nature, such forward- looking statements are not guarantees of future performance and are subject to know n and unknown risks,

uncertainties, and assumptions which might cause the actual results, financial condition, performance or achievements of UCB, orindustry results, to be materially

different from any future results, performance, or achievements expressed or implied by such forward- looking statements contained in this presentation.

Important factors that could result in such differences include but are not limited to: 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 res earch and development, changes in

the prospects for products in the pipeline or under development by UCB, effects of future judicial decisions or governmental investigations, product liability claims,

competition from other products including biosimilars, challenges to patent protection for products or product candidates, changes in laws or regulations, exchange

rate fluctuations, changes or uncertainties in tax laws or the administration of such laws and hiring and retention of its em ployees. There is no guarantee that new