Solvay shares are traded:

• on NYSE-Euronext Brussels : SOLB.BE - Bloomberg: SOLB.BB - Reuters: SOLBt.BR
• in the United States in the form of AMERICAN DEPOSITARY RECEIPTS (ADRs) – each representing one share “sponsored” by Morgan Guaranty Trust New York (no. 834437-10-5) and traded over-the-counter.
  For further information on the ADRs, a hotline is also available at 1-800-428-4237 (from the United States and Canada) and at 1 651 453-2128 (from other countries).

Since February 15, 2007, Solvay Stock Option Management SPRL has appointed the bank Rothschild & Cie., under a liquidity contract, to improve the liquidity of the share on Euronext Brussels. This appointment remained in place in 2009.