Participation Notification by Blackrock Inc.

Brussels, Wednesday, April 15, 2020, 08h30 CEST --- 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 notification indicating that it crossed the threshold of 3%. Here is a summary of the move:

The notification, dated April 10, 2020, contains the following information:

• Reason for the notification: acquisition or disposal of voting securities or voting rights
• Notified by: BlackRock Inc. (55 East 52nd Street, New York, NY, 10055, U.S.A.)
• Date on which the threshold is crossed: April 8, 2020
• Threshold of direct voting rights crossed: 3% downwards
• Denominator: 105,876,416
• Additional information: The disclosure obligation arose due to voting rights attached to shares for BlackRock, Inc. going below 3%.

Declarations by BlackRock Inc. are published in the Investor Relations Section of Solvay's website.

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