European Distributor Enjoined from Selling Ace-K Produced by Chinese Manufacturer

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DALLAS–(BUSINESS WIRE)–
Celanese Corporation (NYSE: CE), a global technology and specialty
materials company, today announced that it has successfully obtained a
preliminary injunction against Falken Trade Polska sp. z o.o. sp.k., a
European distributor (Distributor) of Acesulfame Potassium (Ace-K), a
high-potency sweetener subject to recently granted European Patent No. 2
861 569. The injunction prevents the Distributor from continuing to sell
infringing Ace-K sweetener. Violation of the preliminary injunction
could result in fines, penalties and imprisonment.

Celanese continues to invest in manufacturing and quality improvements
and is dedicated to robust research, development and customer support
for the Sunett® sweetener products manufactured by its patented
processes. The company will protect these investments to supply
customers with quality engineered products, and will vigorously defend
against unlawful manufacturing, importing, purchasing, selling and using
of its patented technology in the United States, Europe, China and
globally.

About Celanese

Celanese Corporation is a global technology leader in the production
of differentiated chemistry solutions and specialty materials used in
most major industries and consumer applications. Our two complementary
business cores, Acetyl Chain and Materials Solutions, use the full
breadth of Celanese’s global chemistry, technology and business
expertise to create value for our customers and the corporation. As we
partner with our customers to solve their most critical business needs,
we strive to make a positive impact on our communities and the world
through The Celanese Foundation. Based in Dallas, Celanese employs
approximately 7,500 employees worldwide and had 2016 net sales of $5.4
billion. For more information about Celanese and our product offerings,
visit
www.celanese.com
or our blog at
www.celaneseblog.com.

All registered trademarks are owned by Celanese International
Corporation or its affiliates.

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 or its customers
will realize these benefits or that these expectations 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
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
Surabhi
Varshney, +1-972-443-3078
surabhi.varshney@celanese.com
or
Media
Relations – Global

W. Travis Jacobsen, +1-972-443-3750
william.jacobsen@celanese.com
or
Media
Relations Asia (Shanghai)

Helen Zhang, +86 21 3861 9279
lan.zhang@celanese.com
or
Media
Relations Europe (Germany)

Jens Kurth, +49(0)69 45009 1574
j.kurth@celanese.com

Source: Celanese Corporation