Participation notification by Blackrock Inc. Brussels, 1 September 2023, 08:30 CET - According to Belgian transparency legislation (Law of May 2, 2007), BlackRock Inc. (55 East 52nd Street, New York, NY, 10055, U.S.A.) recently sent to Solvay the following transparency notifications indicating that it crossed the threshold of 5%. Here is a summary of the moves: Date on which the threshold was crossed Voting rights after the transaction Equivalent financial instruments after the transaction Total...