Participation Notification by Blackrock Inc.

Participation notification by Blackrock Inc.

Brussels, 20 May 2021, 08:30 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 notifications indicating that it crossed the threshold of 3%. Here is a summary of the moves:

The latest notification, dated May 17, 2021, 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: May 14 , 2021
• 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%.

Transparency notifications are available on the Investor Relations Section of Solvay's website.

Attachments

• 20210520_transparency declaration Blackrock-EN
• Solvay_2021-05-14_Issuer_signed
• Solvay_2021-05-12_Issuer_signed
• Solvay_2021-05-11_Issuer_signed