Celanese Announces Successful Startup of Polyacetal Facility of Ibn Sina Joint Venture

Celanese Corporation CE, a global technology and specialty materials company, today announced an update with respect to the Ibn Sina joint venture and its construction of a 50,000 metric tonne polyacetal manufacturing facility in Jubail Industrial City, Saudi Arabia.

Celanese has confirmed that the facility has completed performance runs for all polyacetal grades and achieved full production rates resulting in the successful startup of the plant; therefore, the facility has been officially declared commercially operational. As previously announced, upon successful startup of the polyacetal facility, Celanese's economic interest in Ibn Sina will increase from 25 percent to a total of 32.5 percent, providing further financial benefits for Celanese.

Ibn Sina is a joint venture between SABIC and CTE, a company jointly owned by subsidiaries of Celanese and Duke Energy. Celanese, SABIC and Duke Energy entered into the Ibn Sina joint venture in 1981. Construction of the polyacetal facility is part of an extension of the Ibn Sina joint venture. Subsidiaries of Celanese and Duke Energy each currently hold a 25 percent ownership interest in the joint venture, with the remaining 50 percent held by SABIC.

The polyacetal facility will utilize methanol as feedstock which is produced internally at Ibn Sina. Polyacetal is a differentiated, high value-added product mainly used in automobile and electronics industries in addition to mechanical and construction manufacturers and other industrial applications.

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

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