Solvay SA

Major Shareholding Notification • May 22, 2018

Final

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2) Issuer

Name SOLVAY Identification number 0403-091-220

3) Reason for the notification

Acquisition or disposal of voting securities or voting rights

4) Notification by

A parent undertaking or a controlling person

5) 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, Amstelpieln, Amsterdam, Netherlands
BlackRock (Singapore) Umited	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, Cantral, 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, Chilley Tower, 2 Chilley 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

6) Persons that dispose of voting rights (only to be filled in if an. 7 of the Law applies)

Name	Address (for legal entities)

¹ Please continue entering the information in part if concerning the
persons referred to in Sections 5 and 6

7) Date on which the threshold is crossed

15/05/2018 (DD/MM/YYYY)

8) Threshold that is crossed (in %)

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4 . . . . . . . . . . . . . . . . . . . 9) Denominator

105,676,416

Please enter the denominator before filling in the data

10) 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.	o	$\mathbf{0}$		0.00%
BlackRock (Netherlands) E.V.	12.435	12.435		0.01%
BlackRock (Singapore) Limited	4,947	4.947		0.00%
BlackRock Advisors (UK) Limited	618,199	349,965		0.33%
BlackRock Advisors, LLC	101.481	101.427		0.10%
BlackRock Asset Management Canada Limited	47,139	19.271		0.02%
BlackRock Asset Management Deutschland AG	127,313	126,995		0.12%
BlackRock Asset Management North Asia Limited	570	4831		0 0 0 %
BlackRock Financial Management, Inc.	34,166	34.269		0.03%
BlackRock Fund Advisors	1,034,696	1,035,194		0.98%
BlackRock Institutional Trust Company. National Association	1.125.199	534,558		0.50%
BlackRock International Limited	7.962	8,516		0.01%
BlackRock Investment Management (Australia) Limited	31,328	31:328		0.03%
BlackRock Investment Management (UK) Limited	1,387,963	356,419		0.34%
BlackRock Investment Management, LLC	82,322	83.934		0.08%
BlackRock Japan Co., Ltd.	125,206	105,149		0 10%
Subtotal	4.740.946	2,804,892		2.66%	ATHANYI N
TOTAL		2,804,892	$\mathbf{0}$	2.65%	0.00%

Start with "groups" of holders. Add subtotals with $\sum_{n=1}^{\infty}$ and then finish with the persons who are "alone".
For groups, start with the ultimate controlling natural person or legal antily.
The totals, subtotals and

B) Equivalent financial instruments	After the transaction MILT BELIEVE BACK RUSHER the behavior and completely controlled
Application of the firm. c. $-4 -$ Holders of equivalent financial instruments	THE REPORTED HER PARTIES IN THE RESIDENCE OF A REAL PROPERTY AND RELEASED FOR THE REAL PROPERTY AND RELEASED FOR Type of financial instrument	Expiration data	L-1907-L-L Exercise period or data	The first property of the concern # of voting rights that may be acquired if the Instrument is exercised	% of voting rights	of Phoenix Law PT 19440 Settlement	dealership could be
BlackRock Advisors (UK) Limited	Securities Lent			300,798	0.28%	physical
BlackRock Asset Management Canada Limited	Securibes Lent			28,097	003%
BlackRock Institutional Trust Company. National Association	Securities Lant					physical	۰
BlackRock Investment Management (UK) Limited	Securities Lant			670,000 1,321,551	0.63% 1.25%	physical physical	as:
BlackRock Advisors (UK) Limited	Contract For Difference			1,382	0.00%		$\frac{1}{2}$
BlackRock Advisors, LLC	Contract For Difference			384		cash	$\blacksquare$
BlackRock Institutional Trust Company. National Association	Contract For Difference			9,205	0.00% 001%	cash cash	w œ.
BlackRock International Limited	Contract For Difference			81
BlackRock Investment Management (UK) Limited	Contract For Difference			1,458	0.00%	cash
BlackRock Investment Management, LLC	Contract For Difference			21,860	0.00% 0 0 2%	cash CBSN	STEEL
	TOTAL			2,364,816	2.22%

The totals will be updated once you have clicked on

TOTAL (A & B)			# of voting rights % of voting rights !
	CALCULATE	5,159,708	4.87%

11) Full chain of controlled undertakings through which the holding is effectively held, if applicable

Please see the full chain of control in "Chain of Control" tab.
______

12) In case of proxy voting for only one GM

Holder	.	will cease to hold / will hold again	(DD/MM/YYYY) voting rights as of

13) Additional information

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The disclosure obligation arose due to voting rights attached to shares for BlackRock, Inc. going below 3%

	Done at 12 Throgmorton Avenue, London EC2N 2DL, U.K.
On		16/05/2018 (DD/MM/YYYY)

Signature LOen

Name & capacity Laurel Clark, Vice President

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11) Full chain of controlled undertakings through which the holding is effectively held, if applicable

Name

BlackRock, Inc. BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock International Holdings, Inc. BR Jersey International Holdings L.P. BlackRock (Singapore) Holdco Pte. Ltd. BlackRock HK Holdco Limited BlackRock Lux Finco S.a.r.l. BlackRock Trident Holding Company Limited BlackRock Japan Holdings GK BlackRock Japan Co., Ltd.

BlackRock, Inc. Trident Merger, LLC BlackRock Investment Management, LLC

BlackRock, Inc. BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock International Holdings, Inc. BR Jersey International Holdings L.P. BlackRock Group Limited BlackRock Investment Management (UK) Limited

BlackRock, Inc. BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock International Holdings, Inc. BR Jersey International Holdings L.P. BlackRock Australia Holdco Pty. Ltd. BlackRock Investment Management (Australia) Limited

BlackRock, Inc. BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock International Holdings, Inc. BR Jersey International Holdings L.P. BlackRock Group Limited BlackRock International Limited

BlackRock, Inc. BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock Holdco 4, LLC BlackRock Holdco 6, LLC BlackRock Delaware Holdings Inc. BlackRock Institutional Trust Company, National Association

BlackRock, Inc. BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock Holdco 4, LLC BlackRock Holdco 6, LLC BlackRock Delaware Holdings Inc. BlackRock Fund Advisors

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BlackRock, Inc.

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BlackRock Holdco 2. Inc. BlackRock Financial Management, Inc.

BlackRock, Inc. BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock International Holdings, Inc. BR Jersey International Holdings L.P. BlackRock (Singapore) Holdco Pte. Ltd. BlackRock HK Holdco Limited BlackRock Asset Management North Asia Limited

BlackRock, Inc. BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock International Holdings, Inc. BR Jersey International Holdings L.P. BlackRock Group Limited BlackRock Investment Management (UK) Limited BlackRock Asset Management Deutschland AG

BlackRock, Inc.

BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock International Holdings, Inc. BR Jersey International Holdings L.P. BlackRock Holdco 3, LLC BlackRock Canada Holdings LP BlackRock Canada Holdings ULC BlackRock Asset Management Canada Limited

BlackRock, Inc.

BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock Capital Holdings, Inc. BlackRock Advisors, LLC

BlackRock, Inc. BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock International Holdings, Inc. BR Jersey International Holdings L.P. BlackRock Group Limited

BlackRock Advisors (UK) Limited

BlackRock, Inc. BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock International Holdings, Inc. BR Jersey International Holdings L.P. BlackRock (Singapore) Holdco Pte. Ltd. BlackRock (Singapore) Limited

BlackRock, Inc. BlackRock Holdco 2, Inc. BlackRock Financial Management, Inc. BlackRock International Holdings, Inc.

BR Jersey International Holdings L.P. The American Con-

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BlackRock Group Limited BlackRock (Netherlands) B.V.