PARTICIPATION NOTIFICATION BY BLACKROCK, INC

Brussels, Tuesday November 23, 2016, 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 November 11, 2016 BlackRock Inc. crossed the statutory declaration threshold of 3% upward, detaining 3.01% of the existing voting rights emitted by Solvay S.A.;
On November 17, 2016 BlackRock Inc. crossed the statutory declaration threshold of 3% downward (% of the existing voting rights emitted by Solvay S.A.);
On November 18, 2016 BlackRock Inc. crossed the statutory declaration threshold of 3% upward, detaining 3.04% of the existing voting rights emitted by Solvay S.A.

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

Notification on November 15, 2016:

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 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: November 11, 2016
Threshold crossed: 3% upward (lowest declaration threshold)
Denominator: 105,876,416

Notification details: The voting rights and equivalent financial instruments total 3,191,725 voting rights or 3.01%.

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.		11,454		0.01%
BlackRock (Singapore) Limited		5,389		0.01%
BlackRock Advisors (UK) Limited		301,857		0.29%
BlackRock Advisors, LLC		29,043		0.03%
BlackRock Asset Management Canada Limited		7,620		0.01%
BlackRock Asset Management Deutschland AG		108,488		0.10%
BlackRock Asset Management North Asia Limited		375		0.00%
BlackRock Financial Management, Inc.		31,295		0.03%
BlackRock Fund Advisors		721,154		0.68%
BlackRock Institutional Trust Company, National Association		1,085,011		1.02%
BlackRock International Limited		6,612		0.01%
BlackRock Investment Management (Australia) Limited		30,679		0.03%
BlackRock Investment Management (UK) Limited		52,011		0.05%
BlackRock Investment Management, LLC		82,517		0.08%
BlackRock Japan Co., Ltd.		92,640		0.09%
Subtotal		2,566,145	0	2.42%	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			436,351		0.41% physical
BlackRock Asset Management Canada Limited	Securities Lent			27,434		0.03% physical
BlackRock Investment Management (UK) Limited	Securities Lent			53,126		0.05% physical
BlackRock Japan Co., Ltd.	Securities Lent			975		0.00% physical
BlackRock Advisors (UK) Limited	Contract for Difference			43	0.00% cash
BlackRock Institutional Trust Company, National Association	Contract for Difference			22,375	0.02% cash
BlackRock International Limited	Contract for Difference			6,385	0.01% cash
BlackRock Investment Management (UK) Limited	Contract for Difference			78,292	0.07% cash
BlackRock Investment Management, LLC	Contract for Difference			599	0.00% cash
Subtotal				625,580	0.59%

Notification on November 21, 2016:

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 was crossed: November 17, 2016

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

Notification on November 22, 2016:

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 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 was crossed: November 18, 2016

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

Notification details: The voting rights and equivalent financial instruments total 3,219,775 voting rights or 3.04%.

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.		11,454		0.01%
BlackRock (Singapore) Limited		5,389		0.01%
BlackRock Advisors (UK) Limited		214,859		0.20%
BlackRock Advisors, LLC		29,043		0.03%
BlackRock Asset Management Canada Limited		7,582		0.01%
BlackRock Asset Management Deutschland AG		108,488		0.10%
BlackRock Asset Management North Asia Limited		375		0.00%
BlackRock Financial Management, Inc.		35,556		0.03%
BlackRock Fund Advisors		728,882		0.69%
BlackRock Institutional Trust Company, National Association		1,090,506		1.03%
BlackRock International Limited		6,612		0.01%
BlackRock Investment Management (Australia) Limited		30,679		0.03%
BlackRock Investment Management (UK) Limited		135,944		0.13%
BlackRock Investment Management, LLC		81,612		0.08%
BlackRock Japan Co., Ltd.		92,323		0.09%
Subtotal		2,579,304	0	2.44%	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			441,644		0.42% physical
BlackRock Advisors (UK) Limited	Contract For Difference			43	0.00% cash
BlackRock Asset Management Canada Limited	Securities Lent			27,434		0.03% physical
BlackRock Institutional Trust Company, National Association	Contract For Difference			23,470	0.02% cash
BlackRock International Limited	Contract For Difference			7,136	0.01% cash
BlackRock Investment Management (UK) Limited	Securities Lent			50,791		0.05% physical
BlackRock Investment Management (UK) Limited	Contract For Difference			89,354	0.08% cash
BlackRock Investment Management, LLC	Contract For Difference			599	0.00% cash
Subtotal				640,471	0.60%

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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).

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