ISO 9001 certificates for Celanese Chemicals locations:

USA

• Bay City, Texas, ISO 9001:2008 valid until 6/25/2012
• Bishop, Texas, valid until 6/18/2012
• Clear Lake, Texas, valid until 10/13/2012
• Dallas, Texas, valid until 05/18/2014
• Enoree, S.C. valid until 02/21/2012
• Pasadena, Texas, valid until 02/21/2012

Mexico

• Cangrejera, valid until 07/19/2014

Germany

• Kelsterbach, Frankfurt am Main/Höchst
  valid until 05/04/2013
  English   German

Spain

• Tarragona (VAM), valid until 12/18/2013

Asia

• Singapore, valid until 05/30/2014
• China, ISO 9001:2008, valid until 12/9/2011
  English     Chinese

ISO 14001 certificates for Celanese Chemicals locations:

Mexico

• Cangrejera, valid until 07/19/2014

Germany

• Kelsterbach / Frankfurt am Main - Höchst
  valid until 05/04/2013
  English   German

Spain

• Tarragona, valid until 12/18/2013

AIB Certificate for Food Safety

France

• Roussillon

OHSAS 18001 certificates for Celanese Chemicals locations:

Spain

• Tarragona, valid until 12/18/2013