Celanese Announces Joint Statement of Cooperation with Pertamina to Advance the Development of Fuel Ethanol Projects in

  Celanese Announces Joint Statement of Cooperation with Pertamina to Advance
  the Development of Fuel Ethanol Projects in Indonesia

Business Wire

JAKARTA, Indonesia & DALLAS -- July 19, 2012

Celanese Corporation (NYSE:CE), a global technology and specialty materials
company, today announced that it has entered into a Joint Statement of
Cooperation to advance the development of fuel ethanol projects with
Pertamina, the state-owned energy company of Indonesia. In line with its
long-term strategy to develop new and renewable energy capabilities, Pertamina
will collaborate exclusively with Celanese to jointly develop synthetic fuel
ethanol projects in the Republic of Indonesia utilizing Celanese’s proprietary
TCX^® ethanol process technology.

“Celanese’s TCX^® Technology can help Indonesia meet its growing demand for
affordable, locally-sourced, high quality and safe liquid transportation fuel.
High-octane fuel ethanol produced using TCX^® Technology would help improve
air quality through the reduction of particulate matter as well as nitrogen
oxide and sulfur oxide emissions,” said Steven Sterin, chief financial officer
and president of Celanese’s Advanced Fuel Technologies business.

“These projects support many of the Indonesian government’s long-term
objectives for the use of its abundant local resources, specifically
lower-rank coal, to drive economic development, reduce imported energy
requirements and to improve environmental and air quality standards. We are
delighted to work with Pertamina to further develop this opportunity within
Indonesia and look forward to working closely with them to bring many benefits
to the country.”

Karen Agustiawan, President Director & CEO, PT Pertamina (Persero), said: “A
major priority for Pertamina is supporting the Government of Indonesia in
securing and managing our energy resources to meet rising demand among both
businesses and consumers so we can continue to drive our economic growth to
benefit all sections of the society. To meet this goal, we are pleased to be
actively working with companies like Celanese on the development and
application of new forms of energy, such as synthetic fuel ethanol.”

Indonesia’s current demand for transportation fuel in 2012 is expected to
reach approximately 25 million tons and increase six percent annually through
at least 2020. A 10 percent blend of high-octane fuel ethanol by 2020 would
potentially require up to four world-scale TCX^® Technology production units
which could reduce Pertamina’s gasoline import requirements by over 30 million
barrels annually. In addition, high-octane fuel ethanol, which improves
tailpipe emissions, may also assist Pertamina in meeting Indonesia’s goals of
improving the country’s gasoline and air quality standards.

Under the Joint Statement of Cooperation, Celanese and Pertamina will work
together to define potential supply arrangements, production locations and
distribution strategies. Following this work, along with final investment
decisions made by each companies’ management, and receiving all necessary
approvals, production could begin in approximately 30 months.

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 7,600
employees worldwide and had 2011 net sales of $6.8billion, with approximately
73% generated outside of North America. For more information about Celanese
Corporation and its global product offerings, visit www.celanese.com.

About Celanese TCX^® Technology

Celanese TCX^® Technology, an innovative ethanol production process, helps
countries meet their growing transportation fuel needs by converting domestic
natural gas and coal feedstocks to liquid fuel and helps countries that seek
diverse, secure transportation fuel. For more information, visit

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Celanese Corporation
Investor Relations
Jon Puckett, +1-972-443-4965
Telefax: +1-972-443-8519
Media Relations
Travis Jacobsen, +1-972-443-3750
Telefax: +1-972-443-8519
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