Solvay SA

Major Shareholding Notification • Jun 2, 2017

PARTICIPATION NOTIFICATION BY BLACKROCK INC.

Brussels, Friday June 2, 2017, 8h00 CET --- According to the Belgian transparency legislation in force (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 May 25, 2017 the number of direct voting rights held by BlackRock Inc. crossed upward the 3% statutory threshold. Including voting rights held through equivalent financial instruments, BlackRock Inc. detained 3.14% of the existing voting rights emitted by Solvay S.A.
• On May 26, 2017 the number of direct voting rights held by BlackRock Inc. crossed downward the 3% statutory threshold. Including voting rights held through equivalent financial instruments, BlackRock Inc. remained above the 3% statutory threshold, however, detaining 3.06% of the existing voting rights emitted by Solvay S.A.
• On May 30, 2017 the number of direct voting rights held by BlackRock Inc. crossed upward the 3% statutory threshold again. Including voting rights held through equivalent financial instruments, BlackRock Inc. detained 3.21% of the existing voting rights emitted by Solvay S.A.

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

Notification on May 30, 2017:

• Reason for the notification: Acquisition of voting securities or voting rights
• Notified by: BlackRock Inc. (55 East 52nd Street, New York, NY, 10055, U.S.A.)
• Persons subject to the notification requirement:

Address (for legal entities)
55 East 52nd Street, New York, NY, 10055, U.S.A.
Rembrandt Tower, 17th floor, Amstelplein, Amsterdam, Netherlands
20 Anson Road #18-01, Singapore, 79912, Singapore
12 Throgmorton Avenue, London, EC2N 2DL, U.K.
100 Bellevue Parkway, Wilmington, DE, 19809, U.S.A.
161 Bay Street, Suite 2500, Toronto, Ontario, M5J 2S1, Canada
Max-Joseph-Straße 6, Munich, 80333, Germany
15/F, 16/F, 17/F Citibank Tower & 17/F ICBC Tower, 3 Garden Road, Central, Hong Kong
100 Bellevue Parkway, Wilmington, 19809, U.S.A.
55 East 52nd Street, New York, NY, 10055, U.S.A.
400 Howard Street, San Francisco, CA, 94105, U.S.A.
400 Howard Street, San Francisco, CA, 94105, U.S.A.
Exchange Place One, 1 Semple Street, Edinburgh, EH3 8BL, U.K.
Level 37, Chifley Tower, 2 Chifley Square, Sydney NSW 2000 Australia
12 Throgmorton Avenue, London, EC2N 2DL, U.K.
1 University Square Drive, Princeton, NJ, 8540, U.S.A.
1-8-3 Marunouchi Chiyoda-ku, Trust Tower Main, Tokyo, 100-8217, Japan

• Date on which the threshold is crossed: May 25, 2017
• Threshold crossed: 3% upward (lowest declaration threshold)
• Denominator: 105,876,416

Notification details: The voting rights and equivalent financial instruments total 3,328,155 voting rights or 3.14%.

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.		0		0.00%
BlackRock (Netherlands) B.V.		10,456		0.01%
BlackRock (Singapore) Limited		4,409		0.00%
BlackRock Advisors (UK) Limited		695,462		0.66%
BlackRock Advisors, LLC		38,705		0.04%
BlackRock Asset Management Canada Limited		35,272		0.03%
BlackRock Asset Management Deutschland AG		115,763		0.11%
BlackRock Asset Management North Asia Limited		445		0.00%
BlackRock Capital Management, Inc.		344		0.00%
BlackRock Financial Management, Inc.		3,525		0.00%
BlackRock Fund Advisors		915,086		0.86%
BlackRock Institutional Trust Company, National Association		1,020,513		0.96%
BlackRock International Limited		2,506		0.00%
BlackRock Investment Management (Australia) Limited		31,719		0.03%
BlackRock Investment Management (UK) Limited		134,235		0.13%
BlackRock Investment Management, LLC		74,954		0.07%
BlackRock Japan Co., Ltd.		94,096		0.09%
Subtotal		3,177,490	0	3.00%	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	Securities Lent			138,056	0.13%	physical
BlackRock Advisors (UK) Limited	Contract For Difference			478	0.00%	cash
BlackRock Advisors, LLC	Contract For Difference			52	0.00%	cash
BlackRock Fund Advisors	Securities Lent			4,091	0.00%	physical
BlackRock Institutional Trust Company, National Association	Securities Lent			309	0.00%	physical
BlackRock Institutional Trust Company, National Association	Contract For Difference			4,650	0.00%	cash
BlackRock Investment Management, LLC	Contract For Difference			3,029	0.00%	cash
Subtotal				150,665	0.14%

Transparency declaration

Regulated information

Chain of control:

Notification on June 1, 2017:

• Reason for the notification: Disposal of voting securities or voting rights
• Notified by: BlackRock Inc. (55 East 52nd Street, New York, NY, 10055, U.S.A.)
• 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	100 Bellevue Parkway, Wilmington, DE, 19809, U.S.A.
BlackRock Asset Management Canada Limited	161 Bay Street, Suite 2500, Toronto, Ontario, M5J 2S1, Canada
BlackRock Asset Management Deutschland AG	Max-Joseph-Straße 6, Munich, 80333, 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 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 37, Chifley Tower, 2 Chifley Square, Sydney NSW 2000 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

Date on which the threshold is crossed: May 26, 2017

Threshold crossed: 3% downwards (lowest declaration threshold)

Denominator: 105,876,416

Notification details: The voting rights and equivalent financial instruments total 3,235,520 voting rights or 3.06%.

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.		0		0.00%
BlackRock (Netherlands) B.V.		10,456		0.01%
BlackRock (Singapore) Limited		4,409		0.00%
BlackRock Advisors (UK) Limited		597,487		0.56%
BlackRock Advisors, LLC		38,705		0.04%
BlackRock Asset Management Canada Limited		35,272		0.03%
BlackRock Asset Management Deutschland AG		116,118		0.11%
BlackRock Asset Management North Asia Limited		445		0.00%
BlackRock Capital Management, Inc.		0		0.00%
BlackRock Financial Management, Inc.		3,525		0.00%
BlackRock Fund Advisors		919,015		0.87%
BlackRock Institutional Trust Company, National Association		1,044,124		0.99%
BlackRock International Limited		2,506		0.00%
BlackRock Investment Management (Australia) Limited		31,719		0.03%
BlackRock Investment Management (UK) Limited		122,698		0.12%
BlackRock Investment Management, LLC		74,954		0.07%
BlackRock Japan Co., Ltd.		94,096		0.09%
Subtotal		3,095,529	0	2.92%	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	Securities Lent			127,382	0.12%	physical
BlackRock Advisors (UK) Limited	Contract For Difference			478	0.00%	cash
BlackRock Advisors, LLC	Contract For Difference			52	0.00%	cash
BlackRock Fund Advisors	Securities Lent			4,091	0.00%	physical
BlackRock Institutional Trust Company, National Association	Securities Lent			309	0.00%	physical
BlackRock Institutional Trust Company, National Association	Contract For Difference			4,650	0.00%	cash
BlackRock Investment Management, LLC	Contract For Difference			3,029	0.00%	cash
Subtotal				139,991	0.13%

Transparency declaration

Regulated information

Chain of control:

Notification on June 1, 2017:

• Reason for the notification: Acquisition of voting securities or voting rights
• Notified by: BlackRock Inc. (55 East 52nd Street, New York, NY, 10055, U.S.A.)
• 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	100 Bellevue Parkway, Wilmington, DE, 19809, U.S.A.
BlackRock Asset Management Canada Limited	161 Bay Street, Suite 2500, Toronto, Ontario, M5J 2S1, Canada
BlackRock Asset Management Deutschland AG	Max-Joseph-Straße 6, Munich, 80333, 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 37, Chifley Tower, 2 Chifley Square, Sydney NSW 2000 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

Date on which the threshold is crossed: May 30, 2017

• Threshold crossed: 3% upward (lowest declaration threshold)
• Denominator: 105,876,416

Notification details: The voting rights and equivalent financial instruments total 3,397,620 voting rights or 3.21%.

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.		0		0.00%
BlackRock (Netherlands) B.V.		10,456		0.01%
BlackRock (Singapore) Limited		4,409		0.00%
BlackRock Advisors (UK) Limited		715,494		0.68%
BlackRock Advisors, LLC		38,705		0.04%
BlackRock Asset Management Canada Limited		35,272		0.03%
BlackRock Asset Management Deutschland AG		117,823		0.11%
BlackRock Asset Management North Asia Limited		445		0.00%
BlackRock Financial Management, Inc.		3,525		0.00%
BlackRock Fund Advisors		921,784		0.87%
BlackRock Institutional Trust Company, National Association		1,044,124		0.99%
BlackRock International Limited		2,506		0.00%
BlackRock Investment Management (Australia) Limited		31,719		0.03%
BlackRock Investment Management (UK) Limited		123,989		0.12%
BlackRock Investment Management, LLC		74,954		0.07%
BlackRock Japan Co., Ltd.		94,096		0.09%
BlackRock, Inc.		0		0.00%
Subtotal		3,219,301	0	3.04%	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	Securities Lent			165,710	0.16%	physical
BlackRock Advisors (UK) Limited	Contract For Difference			478	0.00%	cash
BlackRock Advisors, LLC	Contract For Difference			52	0.00%	cash
BlackRock Fund Advisors	Securities Lent			4,091	0.00%	physical
BlackRock Institutional Trust Company, National Association	Securities Lent			309	0.00%	physical
BlackRock Institutional Trust Company, National Association	Contract For Difference			4,650	0.00%	cash
BlackRock Investment Management, LLC	Contract For Difference			3,029	0.00%	cash
Subtotal				178,319	0.17%

Transparency declaration

Regulated information

Chain of control:

FOLLOW US ON TWITTER @SOLVAYGROUP

An international chemical and advanced materials company, Solvay assists its customers in innovating, developing and delivering high-value, sustainable products and solutions which consume less energy and reduce CO2 emissions, optimize the use of resources and improve the quality of life. Solvay serves diversified global end markets, including automotive and aerospace, consumer goods and healthcare, energy and environment, electricity and electronics, building and construction as well as industrial applications. Solvay is headquartered in Brussels with about 30,900 employees spread across 53 countries. It generated pro forma net sales of € 12.4 bn in 2015, with 90% made from activities where it ranks among the world's top 3 players. Solvay SA (SOLB.BE) is listed on Euronext in Brussels and Paris (Bloomberg: SOLB.BB - Reuters: SOLB.BR).

+32 2 264 1530 +32 2 264 3694 +1 9733573283 +32 2 264 1540 +32 2 264 3687

Caroline Jacobs Kimberly Stewart Jodi Allen Geoffroy Raskin Bisser Alexandrov Media Relations Investor Relations Investor Relations Investor Relations Investor Relations