Celanese Announces Amendment to Stock Repurchase Plan

DALLAS--(Business Wire)--
The Board of Directors of Celanese Corporation (NYSE:CE) today
approved a $100 million increase to the Company's previously announced
stock repurchase authorization. The amendment increases the Company's
total repurchase authorization from up to $400 million to a maximum of
$500 million of its Series A common stock. The authorization gives
management discretion in determining the conditions under which shares
may be purchased from time to time.

As of September 30, 2008, the Company had repurchased
approximately $378 million of its outstanding common shares under the
previously announced plan.

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 $6.4 billion in 2007, with
approximately 70% 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 8,400 employees worldwide. For more information
on Celanese Corporation, please visit the company's website at
www.celanese.com.

Forward-Looking Statements

This release may contain "forward-looking statements," which
include information concerning the company's plans, objectives, goals,
strategies, future revenues or performance, capital expenditures,
financing needs and other information that is not historical
information. When used in this release, the words "outlook,"
"forecast," "estimates," "expects," "anticipates," "projects,"
"plans," "intends," "believes," and variations of such words or
similar expressions are intended to identify forward-looking
statements. All forward-looking statements are based upon current
expectations and beliefs and various assumptions. There can be no
assurance that the company will realize these expectations or that
these beliefs will prove correct. There are a number of risks and
uncertainties that could cause actual results to differ materially
from the forward-looking statements contained in this release.
Numerous factors, many of which are beyond the company's control,
could cause actual results to differ materially from those expressed
as forward-looking statements. Certain of these risk factors are
discussed in the company's filings with the Securities and Exchange
Commission. Any forward-looking statement speaks only as of the date
on which it is made, and the company undertakes no obligation to
update any forward-looking statements to reflect events or
circumstances after the date on which it is made or to reflect the
occurrence of anticipated or unanticipated events or circumstances.

Celanese Corporation
Investor Relations
Mark Oberle, 972-443-4464
Telefax: 972-443-8519
Mark.Oberle@celanese.com
or
Media
W. Travis Jacobsen, 972-443-3750
Telefax: 972-443-8519
William.Jacobsen@celanese.com

Copyright Business Wire 2008