Celanese to Hold Third Quarter Earnings Conference Call on October 31.

DALLAS -- Celanese Corporation (NYSE:CE), a global hybrid chemical company, today announced that it will host a conference call to discuss its 2006 third quarter results on Tuesday, October 31, beginning at 9:00 a.m. Central Time/10:00 a.m. Eastern Time. Commenting on results will be David Weidman, president and chief executive officer, and John J. Gallagher III, executive vice president and chief financial officer. This call will be available by webcast on www.celanese.com or by phone at the following numbers:

Analyst Dial-in Number: 866-700-7441

Secondary Dial-in Number: 617-213-8839

Participant Passcode: 49949392

The company will distribute its third quarter earnings press release prior to the call on October 31. The release will also be available on the company's web site at www.celanese.com.

A replay of the conference call will be available on demand from 11:00 a.m. Central Time/12:00 p.m. Eastern Time on October 31, until 11 p.m. Central Time/midnight Eastern Time on Tuesday, November 7, at the following numbers:

Primary Replay Number: 888-286-8010

Secondary Replay Number: 617-801-6888

Passcode: 41850490

The webcast replay will be available on demand at www.celanese.com.

As a global leader in the chemicals industry, Celanese Corporation makes products essential to everyday living. Our products, found in consumer and industrial applications, are manufactured in North America, Europe and Asia. Net sales totaled $6.1 billion in 2005, with approximately 60% generated outside of North America. Known for operational excellence and execution of its business strategies, Celanese delivers value to customers around the globe with innovations and best- in-class technologies. Based in Dallas, Texas, the company employs approximately 9,300 employees worldwide. For more information on Celanese Corporation, please visit the company's website at www.celanese.com.