Celanese Announces Price Increases

Celanese Corporation (NYSE: CE), a global technology and specialty materials company, announced today that it will increase prices for the following products in the amounts detailed below effective July 1, 2010, or as contracts allow.

Customers should contact their sales representatives for more details.

Product	Â	Europe
		Euro/MT
		Â
Acetic Acid		90
Acetic Anhydride		90
Vinyl Acetate Monomer		150
Ethyl Acetate		50
Butyl Acetate		50
		Â

About Celanese

Celanese Corporation is a global technology leader in the production of specialty materials and chemical products which are used in most major industries and consumer applications. Our products, essential to everyday living, are manufactured in North America, Europe and Asia. Known for operational excellence, sustainability and premier safety performance, Celanese delivers value to customers around the globe with best-in-class technologies. Based in Dallas, Texas, the company employs approximately 7,400 employees worldwide and had 2009 net sales of $5.1 billion, with approximately 73% generated outside of North America. For more information about Celanese Corporation and its global product offerings, visit 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. Other risk factors include those that are discussed in the company's filings with the U.S. 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.

Contacts:

Celanese Corporation
Investor Relations
Mark Oberle, [phone]
Telefax: [phone]
[e-mail]
or
Media Relations
Travis Jacobsen, [phone]
Telefax: [phone]
[e-mail]