Solvay SA

Notice of Dividend Amount • May 15, 2013

All resolutions approved at Solvay's General Shareholder Meeting

Brussels, May 15th, 2013 --- Solvay held yesterday its General Shareholder Meeting at the Palais des Académies in Brussels, Belgium. Shareholders voted in favor of all the proposed resolutions.

More specifically, the shareholders approved the payment of a gross dividend of € 3.20 per share for the 2012 fiscal exercise. After deduction of the prepayment made on January 17th, 2013 of € 1.20 per share (or € 0.90 net of withholding taxes, when applicable), the balance of the gross dividend will amount to € 2.00 per share (or € 1.50 on a net basis), payable on May 21st, 2013.

Details of the resolutions and voting results are available on Solvay's website, Investors section:

http://www.solvay.com/en/investors/corporategovernance/shareholdersmeetings.aspx

As an international chemical group, SOLVAY assists industries in finding and implementing ever more responsible and valuecreating solutions. The Group is firmly committed to sustainable development and focused on innovation and operational excellence. Solvay serves diversified markets, generating 90% of its turnover in activities where it is one of the top three worldwide. The group is headquartered in Brussels, employs about 29,000 people in 55 countries and generated 12.4 billion euros in net sales in 2012. Solvay SA SOLB.BE) is listed on Nyse Euronext in Brussels and Paris (Bloomberg: SOLB.BB - Reuters: SOLBt.BR).

LAMIA NARCISSE

Media Relations + 33 1 53 56 59 62 CAROLINE JACOBS

Media Relations + 32 2 264 1530 MARIA ALCON-HIDALGO Investor Relations

• 32 2 264 1984

EDWARD MACKAY

Investor Relations + 32 2 264 36 87

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