Thu, Aug 22, 2013 12:00 - Suez Environnement Co SA (SZEVF: OTC Pink Current) - Tier Change - The symbol, SZEVF, no longer is classified as Grey Market. As of Thu, Aug 22, 2013, SZEVF resides in the OTC Pink Current tier. You may find a complete list of tier changes at otcmarkets.com.