Solvay SA

Declaration of Voting Results & Voting Rights Announcements • Jan 24, 2020

PARTICIPATION NOTIFICATION BY BLACKROCK INC.

Brussels, Friday, January 24, 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 a transparency notification indicating that it crossed the threshold of 3%:

Date on which the	Voting rights after the	Equivalent financial instruments after	Total
threshold was crossed	transaction	the transaction
January 20, 2020	3.05%	0.69%	3.74%

The notification, dated January 21, 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: January 6, 2020
• Threshold of direct voting rights crossed: 3% upwards
• Denominator: 105,876,416
• Additional information: The disclosure obligation arose due to voting rights attached to shares for BlackRock, Inc. going above 3%.
• Persons subject to the notification requirement:

Name	Address (for legal entities)
BlackRock, Inc.	55 East 52nd Street, New York, NY, 10055, U.S.A.
BlackRock (Netherlands) B.V.	Rembrandt Tower, 17th floor, Amstelplein, Amsterdam, Netherlands
BlackRock (Singapore) Limited	20 Anson Road #18-01, Singapore, 79912, Singapore
BlackRock Advisors (UK) Limited	12 Throgmorton Avenue, London, EC2N 2DL, U.K.
BlackRock Advisors, LLC	55 East 52nd Street, New York, NY, 10055, U.S.A.
BlackRock Asset Management Canada Limited	161 Bay Street, Suite 2500, Toronto, Ontario, M5J 2S1, Canada
BlackRock Asset Management Deutschland AG	Lenbachplatz 1 1st Floor, Munich, 80333-MN3, Germany
BlackRock Asset Management North Asia Limited	15/F, 16/F, 17/F Citibank Tower & 17/F ICBC Tower, 3 Garden Road, Central, Hong Kong
BlackRock Capital Management, Inc.	100 Bellevue Parkway, Wilmington, 19809, U.S.A.
BlackRock Financial Management, Inc.	55 East 52nd Street, New York, NY, 10055, U.S.A.
BlackRock Fund Advisors	400 Howard Street, San Francisco, CA, 94105, U.S.A.
BlackRock Institutional Trust Company, National Association	400 Howard Street, San Francisco, CA, 94105, U.S.A.
BlackRock International Limited	Exchange Place One, 1 Semple Street, Edinburgh, EH3 8BL, U.K.
BlackRock Investment Management (Australia) Limited	Level 26, 101 Collins Street, Melbourne, VIC 3000, Australia
BlackRock Investment Management (UK) Limited	12 Throgmorton Avenue, London, EC2N 2DL, U.K.
BlackRock Investment Management, LLC	1 University Square Drive, Princeton, NJ, 8540, U.S.A.
BlackRock Japan Co., Ltd.	1-8-3 Marunouchi Chiyoda-ku, Trust Tower Main, Tokyo, 100-8217, Japan

Ce communiqué de presse est également disponible en français. - Dit persbericht is ook in het Nederlands beschikbaar.

Transparency declaration

Regulated information

Notified details:

A) Voting rights	Previous notification		After the transaction
	# of voting rights			# of voting rights % of voting rights
Holders of voting rights				Linked to securities		Not linked to the securities	Linked to securities	Not linked to the securities
BlackRock, Inc.	D			0			0.00%
BlackRock (Netherlands) B.V.	8,793			8,793			0.01%
BlackRock (Singapore) Limited	4,984			4,984			0.00%
BlackRock Advisors (UK) Limited	298,797			301,342			0.28%
BlackRock Advisors, LLC	56,198			70,579			0.07%
BlackRock Asset Management Canada Limited	24,696			30,811			0.03%
BlackRock Asset Management Deutschland AG	113,328			114,941			0.11%
BlackRock Asset Management North Asia Limited	570			623			0.00%
BlackRock Capital Management, Inc.	33			108			0.00%
BlackRock Financial Management, Inc.	36,143			37,314			0.04%
BlackRock Fund Advisors	959,016			961,267			0.91%
BlackRock Institutional Trust Company, National Association	1,225,863	1,294,843			1.22%
BlackRock International Limited	4,799			5,644			0.01%
BlackRock Investment Management (Australia) Limited	36,766			36,766			0.03%
BlackRock Investment Management (UK) Limited	123,092			186,659			0.18%
BlackRock Investment Management, LLC	150,829			142,359			0.13%
BlackRock Japan Co., Ltd.	71,871			34,158			0.03%
Subtotal	3,115,778			3,231,191			3.05%
	TOTAL			3,231,191		0	3.05%	0.00%
B) Equivalent financial instruments				After the transaction
Holders of equivalent financial instruments	Type of financial instrument		Expiration date	Exercise period or date		# of voting rights that may be acquired if the instrument is exercised	% of voting rights	Settlement
BlackRock Advisors (UK) Limited	Securites Lent					336,522	0.32%	physical
BlackRock Advisors, LLC	Securites Lent					3,593	0.00%	physical
BlackRock Asset Management Canada Securites Lent Limited						51,992	0.05%	physical
BlackRock Fund Advisors	Securites Lent					3,386	0.00%	physical
BlackRock Institutional Trust Company, National Association	Securites Lent					7,195	0.01%	physical
BlackRock Investment Management (UK) Limited BlackRock Investment Management,	Securites Lent					27,329	0.03%	physical
LLC	Securites Lent					10,242	0.01%	physical
BlackRock Japan Co., Ltd.	Securites Lent Contract for Difference					40,000	0.04% 0.02%	physical
BlackRock Advisors, LLC BlackRock Institutional Trust Company, Contract for Difference						17,437 223,520	0.21%	cash cash

TOTAL (A & B)		# of voting rights % of voting rights
	CALCULATE	3,961,673	3.74%

The full chain of controlled undertakings through which the holding is effectively held is available on https://www.solvay.com/en/investors/corporate-governance/transparency-declarations/all-transparencydeclarations

Transparency notifications are published in the Investor Relations Section of Solvay's website.

Ce communiqué de presse est également disponible en français. - Dit persbericht is ook in het Nederlands beschikbaar.

FOLLOW US ON TWITTER @SOLVAYGROUP

Solvay is an advanced materials and specialty chemicals company, committed to developing chemistry that addresses key societal challenges. Solvay innovates and partners with customers worldwide in many diverse end-markets. Its products are used in planes, cars, batteries, smart and medical devices, as well as in mineral and oil and gas extraction, enhancing efficiency and sustainability. Its lightweighting materials promote cleaner mobility, its formulations optimize the use of resources, and its performance chemicals improve air and water quality. Solvay is headquartered in Brussels with around 24,500 employees in 61 countries. Net sales were €10.3 billion in 2018, with 90% from activities where Solvay ranks among the world's top 3 leaders, resulting in an EBITDA margin of 22%. Solvay SA (SOLB.BE) is listed on Euronext Brussels and Paris Bloomberg: SOLB.BB - Reuters: SOLB.BR), and in the United States its shares (SOLVY) are traded through a level-1 ADR program. (Figures take into account the planned divestment of Polyamides).

Brian Carroll Geoffroy Raskin Jodi Allen Bisser Alexandrov Geoffroy d'Oultremont Media Relations Investor Relations Investor Relations Investor Relations Investor Relations +32 2 264 1530 +32 2 264 1540 +1 609 860 4608 +32 2 264 3687 +32 2 264 2997

Ce communiqué de presse est également disponible en français. - Dit persbericht is ook in het Nederlands beschikbaar.