Participation Notification by Blackrock Inc.

Brussels, Friday November 22, 2019, 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.) has notified Solvay S.A. that:

• On November 15, 2019 BlackRock Inc. crossed upwards the 3% statutory threshold for direct voting rights, holding 3.02%. Including equivalent financial instruments, the total voting rights stood at 3.70%.
• On November 18, 2019 BlackRock Inc. crossed downwards the 3% statutory threshold for direct voting rights, holding 2.98%. Including equivalent financial instruments, the total voting rights stood at 3.67%.
• On November 19, 2019 BlackRock Inc. crossed upwards the 3% statutory threshold for direct voting rights, holding 3.05%. Including equivalent financial instruments, the total voting rights stood at 3.77%.

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

Attachments

• Solvay_2019-11-15_Issuer_signed
• Solvay_2019-11-18_Issuer_signed
• Solvay_2019-11-19_Issuer_signed
• 20191122_Transparency declaration BlackRock-EN