Solvac S.A. — Earnings Release 2015

May 13, 2015

SOLVAC Société anonyme Rue Des Champs Elysées 43 - B-1050 Brussels - Belgium External Communications and Investor Relations Tel. + 32 2 639 66 30 Fax + 32 2 639 66 31 www.solvac.be

Regulated Information

Embargo, May 13, 2015 at 5:40 p.m. (Brussels time)

SOLVAC: Interim statement

As of today, Solvac owns 25,578,267 Solvay shares, i.e. 30.20% of Solvay (stable compared to the end of 2014).

During the period from January 1, 2015 until today and in accordance with what had been announced:

• Solvac received a gross dividend of EUR 34.1 million (Solvay interim dividend of EUR 1.33(*) gross per share, booked in 2014 and paid on January 22, 2015). It will receive the balance of the Solvay dividend (EUR 2,06(*) gross per share) on May 19, 2015, making a gross dividend of EUR 52,9 million.

(*) with one decimal that repeats

• The General Assembly of May 12, 2015 approved the dividend amount paid by Solvac for the financial year 2014 (1st instalment of EUR 2.83 gross per share paid on September 25, 2014 and the 2nd instalment, making up the balance, of EUR 1,89 gross per share, paid on December 29, 2014). This represents a cash outflow of EUR 72.1 million (including withholding tax).

For 2015, the Board of Directors has decided that the first instalment will be paid on August 27, 2015 and the second on December 24, 2015.

Since January 1, 2015, Solvac hasn't bought any of its own shares on the market.

For your information, please note that Solvay published its results for the 1st quarter of 2015 on May 6, 2015. Solvay's press release is available at www.solvay.com.

This interim statement was approved by Solvac's Managing Director.

For more information, please contact:

SOLVAC S.A. Rue des Champs Elysées, 43 - 1050 Brussels Tel.: 32 2 639 66 30 Fax: 32 2 639 66 31 Email: Investor.relations@solvac.be