Participation notifications by UBS Group AG

Press release Regulated information Brussels, January 29, 2026, 17:45 CET In line with Belgian transparency legislation (Law of May 2, 2007), UBS Group AG recently sent to Solvay the following transparency notifications indicating that they crossed the threshold of 3%. Here is a summary of the notifications: Date on which the threshold is crossed Voting rights after the transaction Equivalent financial instruments after the transaction Total 21 January 2026 0.00% 0.00% 0.00% 23 January 2026 0.11% 2.95% 3. ...