Celanese to Hold Second Quarter Earnings Conference Call on July 21, 2011

DALLAS, --- Celanese Corporation (NYSE: CE), a global technology and specialty materials company, today announced that it will host a conference call to discuss its 2011 second quarter results on Thursday, July 21, 2011, beginning at 10:00 a.m. Eastern time. Commenting on results will be David Weidman, chairman and chief executive officer, and Steven Sterin, senior vice president and chief financial officer. This call will be available by webcast at www.celanese.com in the investor section or by phone at the following numbers:

Dial-in Number: 866.783.2139
Secondary Dial-in Number: 857.350.1598
Participant Passcode: 72167388

The company will distribute its second quarter earnings press release before the New York Stock Exchange opens on Thursday, July 21. The release will also be available at www.celanese.com.

A replay of the conference call will be available on demand on July 21, 2011, from 1:00 p.m. Eastern time until July 28, 2011, at the following numbers:

Primary Replay Number: 888.286.8010
Secondary Replay Number: 617.801.6888
Passcode: 34517946

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